Rideau Valley Conservation Authority 3889 Rideau Valley Drive, PO Box 599, Manotick, Ontario, Canada | 613-692-3571 | www.rvca.ca Technical Memorandum
July 17, 2017
Subject: Rideau River Flood Risk Mapping from Hogs Back to Kars
Lead Investigator: Ferdous Ahmed, Ph.D., P.Eng. Senior Water Resources Engineer
Contributing staff: Simon Nolan, Engineering Assistant David Crossman, GIS Coordinator Perry Ghioureliotis, GIS Specialist Patrick Larson, Senior Water Resources Technician Andrea Larsen, Hydrometric Technician
Executive Summary This report provides a summary of the analytical methods used and underlying assumptions applied in the preparation of flood plain mapping for the Rideau River from Hogs Back to Kars. The project has been completed in accordance with the technical guidelines set out under the Canada-Ontario Flood Damage Reduction Program (FDRP) (MNR, 1986), and the technical guide for the flood hazard delineation in Ontario (MNR, 2002) as laid out by the Ontario Ministry of Natural Resources. The 1:100 year flood lines delineated here are suitable for use in the RVCA’s regulation limits mapping (as per Ontario Regulation 174/06) and in municipal land use planning and development approval processes under the Planning Act.
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Contents
Executive Summary ...... 1 Contents ...... 2 1. Introduction ...... 3 2. Study Area ...... 5 3. Previous Studies ...... 6 4. Topographical Mapping ...... 8 5. Hydrological Analysis ...... 10 6. Hydraulic Computations ...... 11 6.1 HEC-RAS Model ...... 11 6.2 Model Verification ...... 13 6.3 Computed Water Surface Profiles ...... 15 6.4 Sensitivity Analysis ...... 16 7. Selection of Regulatory Flood Levels ...... 18 8. Flood Line Delineation ...... 20 8.1 General ...... 20 8.2 Buildings in the floodplain ...... 21 8.3 Islands in the floodplain ...... 21 8.4 Flood mapping data in GIS ...... 21 9. Project Deliverables ...... 22 10. Closure ...... 23 11. References: ...... 24
Tables Figures Appendix A: HEC-RAS Profiles and Cross-Sections Appendix B: Field Verification of LIDAR Data Appendix C: Buildings and Islands in Floodplain – RVCA Policy
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 2 of 29 1. Introduction In 2012, The City of Ottawa and three conservation authorities (Mississippi, Rideau and South Nation) initiated a program for flood risk mapping within the boundary of the City. A five-year plan for mapping a number of high priority rivers and streams was made. As part of this program, the RVCA has identified 12 stream reaches, where the existing mapping would be updated or mapping will be created for the first time. Historically, the Rideau River from Poonamalie Dam to the Rideau Falls has been segmented in to five reaches for flood mapping studies: 1) Rideau River (Hogs Back to Rideau Falls) 2) Rideau River (Hogs Back to Kars) [this study] 3) Rideau River (Kars to Burritts Rapids) 4) Rideau River (Burritts Rapids to Smiths Falls) 5) Rideau River (Smiths Falls to Poonamalie Dam)
The first three reaches are within the City of Ottawa and were therefore identified for updating during this program. Updating of the first reach (Hogs Back to Rideau Falls) has already been completed (RVCA, 2016). This report deals with the second reach (Hogs Back to Kars); the third reach is also being studied concurrently (RVCA, 2017b). The middle three reaches are in need of updating and it was decided that a single, comprehensive hydrological analysis done for the entire Rideau River will be a logical approach. This single hydrological study has now been completed (RVCA, 2017a), which should be read along with the present report. The flood quantiles derived from the hydrology report have been used here (and will be used elsewhere) for flood mapping purposes along the Rideau River. This report deals with the flood risk mapping of the second reach of the Rideau River (Hogs Back to Kars). The last mapping study (Dillon, 1989) of this reach is now 28 years old. Changes in the landscape have taken place along the shoreline and floodplain, such that the plotted flood limits in some locations may no longer accurately depict areas that are presently flood prone under regulatory flood conditions. It has been deemed desirable and necessary by the City of Ottawa to produce updated flood line mapping, to facilitate the
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 3 of 29 implementation of the natural hazards policies of its Official Plan and the associated zoning by-laws. A funding contribution from the City has enabled the RVCA to prioritize this project within its ongoing, watershed-wide program of flood risk assessment and flood plain delineation. This report provides a summary of the analytical methods used and underlying assumptions applied in the preparation of flood plain mapping for the Rideau River from Hogs Back to Kars (Figure 1). The project has been done in accordance with the technical guidelines set out under the Canada-Ontario Flood Damage Reduction Program (FDRP) (MNR, 1986), and the technical guide for the flood hazard delineation in Ontario (MNR, 2002) as laid out by the Ontario Ministry of Natural Resources. It also conforms to the ‘generic regulation’ guidelines of Conservation Ontario (2005). The 1:100 year flood lines delineated here are suitable for use in the RVCA’s regulation limits mapping (as per Ontario Regulation 174/06) and in municipal land use planning and development approval processes under the Planning Act. The Dillon (1989) mapping has been used by RVCA for regulatory purposes since 1989. The present mapping, when endorsed by RVCA’s Board of Directors, will supersede the 1989 Dillon mapping.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 4 of 29 2. Study Area The following stream reaches have been mapped during this study: o Rideau River from Hogs Back to Manotick; o Rideau River East Branch around Manotick Island; o Rideau River West Branch around Manotick Island; and o Rideau River from Manotick to Kars.
The study reach of the Rideau River extends from the upstream side of Hogs Back Dam to the downstream side of Regional Road 6 or Roger Stevens Drive at Kars (Figure 1). The area mapped is located entirely within the City of Ottawa. The 16 km downstream reach from Hogs Back to Manotick passes through dense urban areas, while the upstream 9 km reach from Manotick to Kars goes through sparsely populated rural areas. There are a few flood vulnerable areas such as those near Winding Way, Carleton Golf and Yacht Club and Hurst Marina.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 5 of 29 3. Previous Studies Two flood plain mapping studies that included the reach from Hogs Back to Kars have been carried out in the past (Dillon, 1972, 1989). The first study covered a 38 km reach from the Ottawa River to Kars Bridge and used unpublished and published data spanning from 1916 to 1972. Using 56 years of streamflow data of the Rideau River at Ottawa (02LA004; located at Hurdman Bridge from 1911 to 1945 and then moved to Carleton University), a ‘best fit’ frequency curve was derived. The 1:100 year flow at this location was estimated at 26000 cfs (736.2 cms). Flows at other locations were also estimated, but the details were not documented. It was also mentioned that a 1:100 year rainfall generated much smaller flows than snowmelt- driven spring flows, but again the details were missing. The flood levels were computed using the ‘standard step method’ and about 200 cross-sections. No information about water control structures or their operation was included in this report. Flood risk lines were then plotted on contour maps obtained from National Capital Commission (NCC). The role of ice in flooding was recognized; however, ice-induced flooding was not investigated as ice cutting/blasting was considered successful in managing ice-induced flooding. The second study by Dillon (1989) appears to be first study within RVCA jurisdiction to be done under the Canada-Ontario Flood Damage Reduction Program (FDRP) initiated in 1978. This covered the 29 km reach from Hogs Back to Kars. Adjustments at the Carleton gauge were made for instantaneous flows (6% increase) and for Poonamalie Dam operation (5% increase of post-1976 peak flows) using Robinson’s (1984) approach1, but with additional data. During the flood frequency analysis, the effect of discarding low outliers was investigated, and after discussions with Environment Canada staff, it was decided not to discard outliers since such procedures have a tendency to make the data set an unrepresentative sample. Four distributions from the CFA program were fitted to 40 years (1947-1986) of data at the Carleton gauge, yielding estimates of the 1:100 year flood in the range from 597 to 678 cms, with an average of 629 cms which was only 4% lower than Robinson’s (1984) estimate of 654 cms. Considering all, it was decided to continue using Robinson’s (1984) estimate of 654 cms.
1 The accompanying hydrology report (RVCA, 2017a) provides more details on Robinson’s (1984) methodology and other aspects of hydrological analysis over the last four decades.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 6 of 29 Similar adjustments and frequency analysis were done on the Below Manotick gauge data (1948-1986). The same flow (654 cms) was used from Hogs Back to the confluence of the Jock River. The flow distribution along the East and West Branches at Manotick was determined from the hydraulic (HEC-2) computation. The flows at Kars were determined using area prorating using Carleton and Below Manotick gauges (thus making it an extrapolation rather than interpolation); and then the flows between Manotick and Kars were estimated based on linear distance along the river. Once the flows were estimated, the HEC-2 model was setup and run to calculate water surface profiles, and the floodplain lines were plotted on 1:2000 scale topographic maps (made from 1:8000 scale aerial photography) with 1.0 m contour lines and 0.5 m interpolated auxiliary contour lines.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 7 of 29 4. Topographical Mapping LIDAR: High quality topography is the key to high quality flood risk mapping. Digital elevation models were derived from LIDAR data procured by the City of Ottawa. The LIDAR was flown in April 2007 and August 2012. This data set has a density of about 7 to 8 points per square meter, and an estimated vertical accuracy of 0.10 m (Airborne Imagery, 2013). The City also provided 0.25 m contour lines that were derived from LIDAR data. However, we only used the LIDAR points directly for this study, and the contour lines were never used. In some places, the LIDAR data was missing along the water line or were obscured by trees and shrubs. RVCA staff carried out ground surveys during 2014 and 2015 to collect data to augment the LIDAR data for the purposes of flood line delineation. The accuracy of the LIDAR data was checked in the field by RVCA staff in April-May 2015. The true elevations of features on the ground that are identifiable on the mapping were determined using RVCA’s survey grade GPS equipment (Trimble R8), and compared with the elevations indicated by the LIDAR spot heights, to determine that any differences between mapped and true elevations were within the accuracy prescribed by the FDRP standards. In total, 330 spot heights were verified (see Table B.1 and Figure B.1 in Appendix B). As described in the FDRP guidelines (MNR 1986), the spot height checks are considered satisfactory when 90% of the data points are within 0.33 m of the field measurement. As shown in Table B.1, this criterion has been adequately met2. On average, the spot heights are within 6.3 cm (Figure B.2). At the few locations where these criteria are not met, changes to the landscape since the date of air photo have been identified as the probable cause of the discrepancy. Data at these locations were disregarded in the DTM verification. Drape Imagery: The Drape imagery was collected in April-June 2014 with a horizontal accuracy of ±0.5 metre. This high quality colored photo clearly shows the
2 FDRP (1986) Manual also specifies criteria for checking contour crossings. However, in this study we used only LIDAR spot heights, not contour lines. Therefore, we did not check the accuracy of contour lines supplied by the City of Ottawa.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 8 of 29 rivers, creeks, land use, houses, buildings, roads, infrastructure, vegetation and other details. 2011 Aerial photo: The 2011 aerial photo was also available from the City of Ottawa. It is accurate, sharp and in colour, and shows various natural and man-made features clearly. Building footprint: The ‘building footprint’ layer was provided by the City of Ottawa for the area inside the urban boundary. It enables us to accurately draw flood lines around buildings. This data layer contained information collected over a number of years.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 9 of 29 5. Hydrological Analysis The hydrological analyses to support this study have been documented in an accompanying report (RVCA, 2017a), and are not repeated here. Suffice it to say that the methodology was based on a thorough review of past studies. Our current methodology for estimating flood quantiles along the Rideau River consists of the following components: o Estimating and using instantaneous flows o Converting ‘regulated flows’ to ‘naturalized flows’ by using the Robinson (1984) methodology o Testing streamflow data for suitability for flood frequency analysis (homogeneity, independence, randomness, and trend) o Using standard flood frequency analysis where long enough streamflow record is available (gauge locations) to estimate flood quantiles o Using area pro-rating to transpose flood quantiles from gauge locations to other locations o Using the hydraulic model (HEC-RAS) to determine the flow split where multiple branches are present
Once we settled on this approach, the available streamflow data and watershed characteristics determined to a large extent the eventual outcome of this analysis, i.e., the flood quantiles. Table 1, taken from RVCA (2017a), shows the flood quantiles that were computed for flood mapping purposes along the Rideau River. Table 2 lists the exponents which were determined from streamflow data and were used in computing flows at ungauged locations. Table 3 shows the flows that were used for hydraulic computation (HEC-RAS modeling). Figures 2 and 3 illustrate the spatial distribution of flood quantiles and their relative magnitude.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 10 of 29 6. Hydraulic Computations 6.1 HEC-RAS Model Following standard procedures (MNR, 1986; USACE, 1990, 2010), a steady-state hydraulic model of the Rideau River was built. The steady-state hydraulic model developed using HEC-2 by Dillon (1989) was converted to HEC-RAS and updated to present conditions. The HEC-RAS software (version 4.1.0) developed by the US Army Corps of Engineers (USACE, 2010) was used. It uses the same back water calculation procedure as HEC-2 (USACE, 1990), which has been the industry standard since the 1970s, but with improved data processing and graphical capabilities. The following streams were included in the model (Figure 4): o Rideau River from Hogs Back to Manotick (16 km) o East Branch (5 km) o West Branch (5 km) o Rideau River from Manotick to Kars (9 km)
Cross-Sections: The cross-sections used in the modeling were imported from Dillon’s (1989) HEC-2 files. These cross-sections (178 in total) were based on the original 1970 bathymetry generated by sounding technique by Canadian Hydrometric Service (CHS). The above-water part of the cross-sections was extracted from 1:2000 scale topographical mapping generated from aerial photography collected on 26th April 1985. This data was supplemented by field data collected by Dillon (1989) and RVCA staff at that time. These cross-sections were deemed to be suitable for the current study. There was some thought about verifying the channel bottom, but the necessary survey work to verify the representativeness of the below-water portion of the cross-sections in the model was considered to be beyond the scope of the project. In total, 178 cross-sections were used in our HEC-RAS model. Figure 4 shows a schematic of the HEC-RAS model. Figures 9(a-e) show the cross-sections in greater detail, along with the computed Regulatory Flood Levels (RFLs) and flood risk limits. The spacing between and the alignment of river cross-sections within the model were reviewed and adjusted as necessary. Channel Roughness: These values were directly taken from Dillon’s (1989) calibrated HEC-2 model. The Manning’s roughness coefficient was generally between
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 11 of 29 0.030 and 0.035 in the main channel, and was 0.08 for most of the overbank areas (a tabular listing is included in Appendix A). These values were consistent with standard values, such as those recommended by Chow (1959). As will be seen later in this report, these values were found satisfactory and no further adjustment was necessary. Rating Curve: Rating curve at the Rideau River Below Manotick gauge location was obtained from Water Survey of Canada (WSC) and was used in the verification process (Figure 5). Bridges/Structures: Within the study area there are seven bridges and four dams (Tables 4 and 5). As-built drawings for all the bridges within the reach were obtained from the City of Ottawa and VIA Rail. The bridges and associated cross-sections were updated to match the as-built information. As-built information for the dams was obtained from Park Canada’s Rideau Canal Office, Smith Falls and from Acres (1994) report. Tables 6 and 7 lists the cross-sections, bridges and dams that were modified from Dillon (1989) during the course of this study, and the reason for doing so. The design flows from the hydrologic analysis (discussed above), with return periods ranging from 2 to 500 years (Table 1), were used in the HEC-RAS model. Table 3 shows the flows that were input to the HEC-RAS model, including the flow split among the East and West Branches around Manotick Island. Flows at this split were automatically computed by the HEC-RAS model. After calibration, the final optimized split is 49% in the East Branch and 51% in the West Branch for the 1:100 year flows. The split varies as flows decreased with larger flows in the west channel, where the 1:2 year flow split was 47% in the east and 53% in the west. At the downstream end of the HEC-RAS model, the model was extended about 75 m. The boundary conditions, i.e., water levels at the downstream end (cross-section 4.7), were taken from the recent HEC-RAS model for the downstream reach (from Hogs Back to Rideau Falls; RVCA, 2016). Table 8 lists the boundary conditions for various flood events.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 12 of 29 All dams were assumed to be fully open during flood conditions. This is the current policy of Parks Canada, the owner and operator of the dams3. Once the model was set up, the computed profiles and other parameters were scrutinized to assess the reasonableness of model outputs. Special attention was given to the computed water level and energy profiles near bridges. Adjustments of model parameters – mainly the channel resistance and contraction and expansion coefficients – were made as necessary.
6.2 Model Verification If possible, hydraulic models are generally calibrated and validated before being accepted as representative of the river system being modeled. In this case, our HEC-RAS model is based on Dillon’s (1989) HEC-2 model, which was calibrated and found satisfactory at that time. Therefore, we first tested the new HEC-RAS model, without significant changes, to see if it works. We found that it works well, and conforms to available data (collected both during Dillon study and since then). By virtue of being a slightly modified version of the well calibrated Dillon’s (1989) HEC-2 model4, the current HEC-RAS model needed almost no adjustment to be considered calibrated. The verification was done in the following ways: o By comparing water levels during 4 April 2015 flood event o By comparing water levels during 11 April 2014 flood event o By comparing water levels during 6 April 1999 flood event o By comparing water levels during 5 April 1982 flood event o By comparing water levels during 24 February 1981 flood event o By comparing the rating curve at Below Manotick gauge
3 In a meeting between RVCA and Parks Canada staff on 12 March 2015, the current operating policies for the dams along the Rideau Canal were clarified and confirmed by Parks Canada staff. During flood events, Parks Canada fully opens the dams and allows ‘free flowing’ condition at all structures.
4 Dillon (1989) calibrated the HEC-2 model by comparing the computed water level to available measured water level during two events (2 October 1986; 27 March 1988) and then corroborated the model by comparing it to air photos and water level data during two other events (29 March 1976; and 26 March to 6 April 1988). The model predicted the water level within 0-26 cm. It appears that all events were used for calibration, and none for validation. These four events used by Dillon (1989) were not considered in this study because pertinent dam setting information was not available.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 13 of 29 At Below Manotick gauge (Figure 5), computed water level matches the rating curve very well over a range of flows, with a very slight degree of conservatism (i.e., HEC-RAS overestimates the water levels by about 2-3 cm). This confirms that our intention of calibrating the model to match data as closely as possible, but with a slight degree of conservatism, has been achieved. The HEC-RAS model is able to match observed water level data very well for the other three events listed above, for which the data was collected by Parks Canada over the years. Tables 9c, 9d and 9e indicate that the matching was within 2-4 cm. The 6 April 1999 and 24 February 1981 floods had a return period between 2 to 5 years, while the 5 April 1982 flood was somewhat smaller. During the April 2015 flood (a small freshet with a flow of 134 cms at Manotick), high water levels were collected by RVCA staff using photographs and survey grade Trimble. The model was able to compute water levels within 1-10 cm where good measurements were available (Table 9a). In other places, where measurement was done under challenging conditions (waves, steep bank, dam drawdown, etc.) and therefore was prone to greater error and uncertainly, the model underestimated the water level by 16-86 cm; however, the greater uncertainty in the measurement precluded any conclusive proof of model deficiency. The flow on 11 April 2014 had a return period of about 5 years. The water level recorded at the Below Manotick gauge could be reproduced within 4 cm by the HEC- RAS model (Figure 9b). The dam setting information during the verification events was supplied by Parks Canada5 and was used in the verification runs of the model. Figure 6 shows the summary of all five verification events. Our model was able to simulate water levels within 1-10 cm where good measurements were available. This establishes that the model is good for flood mapping purposes. It has traditionally and widely been accepted that the calibration process is not meant to force the model to fit all observations, but to match the computed water surface profile to observed water levels within a certain limit. A rule of thumb used by the USACE (US Army Core of Engineers) specifies good calibration when the model
5 Email communication from Parks Canada staff dated 21 January 2015 and 23 July 2015.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 14 of 29 predicts elevations within 30 cm of observation (Heastead Methods, 2003; Bentley Systems 2007); whereas FEMA (US Federal Emergency Management Agency) suggests a 15 cm tolerance (FEMA, 2009). Our model satisfies both criteria. Our approach of slight conservatism (a combination of hydrologic and hydraulic computations) is also congruent with the current notion of the Precautionary Principle, which applies when there exist considerable scientific uncertainties about causality, magnitude, probability, and consequences of different course of action (UNESCO, 2005). The Precautionary Principle is also a key policy of Environment Canada6. Based on the above reasoning, the model is considered well calibrated and suitable for flood hazard mapping7.
6.3 Computed Water Surface Profiles Once calibrated, the model was run with the design floods. The 1:100 year computed water surface elevations and other parameters are shown in Table 10. A few typical water surface profiles and all cross-sections are included in Appendix A. Computed water surface elevations for various flood events with return periods ranging from 2 to 500 years are presented in Tables 11 and 12. It should be pointed out that the model has been built and calibrated based on observed flood events in the 130- 320 cms range (at Below Manotick gauge) occurring during spring freshet. Caution should be used when applying this model to simulate water surface profiles for flows outside this range, or for flows that occur during other seasons of the year. Such water surface profiles – simulated using the same parameters, especially the Manning’s roughness coefficient – would be only approximate, and should be used with caution.
6 Canada’s environmental policy is also guided by the precautionary principle and is reflected in the Federal Sustainable Development Act which states that the Minister of Environment must “develop a Federal Sustainable Development Strategy based on the precautionary principle”. The precautionary principle states that: “Where there are threats of serious or irreversible damage, lack of full scientific certainty shall not be used as a reason for postponing cost-effective measures to prevent environmental degradation”. In other words, the absence of complete scientific evidence to take precautions does not mean that precautions should not be taken – especially when there is a possibility of irreversible damage (Environment Canada, 2010).
7 While we consider the model good enough for the purposes of floodplain mapping, we also recognize that further model adjustment/modification may be necessary for other purposes. It all depends on the purpose of the modeling and the features and phenomena a model is meant to capture. We therefore caution against using this model for other purposes without first confirming its suitability.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 15 of 29 This is because the river roughness can vary with flow magnitude (with higher resistance associated with lower flows) and with the time of the year (as related to the presence of instream vegetation). It is also acknowledged that the 1:100 year flood is much larger than the flow range used for calibration. However, use of the same calibration parameter (Manning’s roughness calibrated for 130-320 cms flow range) for the 1:100 year flow will result in a very slightly higher (conservative) flood level. This approach is reasonable and is widely accepted as a standard practice. In cold climate areas like Ontario, floods may occur with or without ice jam. Here we have only analyzed the ice-free or open water condition. Ice-induced flooding has not been looked at because we are unaware of any ice-related flooding that caused significant concern in this area (Hogs Back to Kars). Downstream of Hogs Back, ice jams have historically occurred and have been managed by ice cutting/blasting for at least the last one hundred years.
6.4 Sensitivity Analysis Flood quantiles have the highest degree of uncertainty in our computation and is most likely to affect the water surface profile. Due to the presence of dams and step-like bed profile of the river, bed roughness is unlikely to exert a major influence on water surface profile computation. Therefore, we decided to test the sensitivity of water surface profile to flow variation. The sensitivity analysis was conducted to determine how much the computed water surface elevations will vary with changes in the value used for the 1:100 year discharge. Six flow conditions were tested:
• 1:100 year flow increased by 5% • 1:100 year flow increased by 10% • 1:100 year flow increased by 20% • 1:100 year flows decreased by 5% • 1:100 year flow decreased by 10% • 1:100 year flow decreased by 20%
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 16 of 29 Figures 7(a-b) and 8(a-b) show the computed water surface profiles and the differences in computed water levels for each condition. These figures indicate that the computed water surface elevations are more sensitive to the discharge value in the steeper portions of the reach. The sensitivity analysis indicates that the computed water level can vary by about 0.15 to 0.25 m for a 10% variation in flow along most of the river reach, which is typical in the hydrologic estimation of design flow. For a 20% increase in flow, the water level can go up by 0.2 to 0.5 m. The sensitivity analysis provides an indication of the potential effect of changes in the expected flood flows that might result from anthropologic intervention in the watershed or from natural variability such as climate change.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 17 of 29 7. Selection of Regulatory Flood Levels As per Section 3 of the Provincial Policy Statement under the Planning Act (MMAH, 2005, 2014), the regulatory flood in Zone 2, which includes the RVCA, is the 1:100 year flood8. Depending on the local hydraulic conditions, the computed water surface elevation, the energy grade or a value in between is generally taken as the Regulatory Flood Level (RFL). Engineering judgment is applied to recommend an appropriate value for the regulatory flood level at each cross-section, using the model outputs and considering hydraulic characteristics of the river reach, and the inherent limitations of numerical modeling. When the stream velocity is relatively low and varies only gradually over relatively long river reaches, the water surface can generally be taken as the RFL. However, near bridges, culverts and other water control structures, and on steeper reaches where streamflow velocities are higher, and may change more abruptly, the computed water surface elevation may be substantially lower than the energy grade level, with the possibility that the water level may rise to the energy grade near obstacles and irregularities in the channel profile or cross-section which may not be represented in the hydraulic model. In such cases, the regulatory flood level is generally based on the computed energy grade as a conservative approach, given that the numerical model is less likely to be a true representation of reality in such situations. Another possible situation arises when the computed water surface profile is undulating, with downstream water levels occasionally higher than upstream levels. When this occurs, it is more often an artifact from the simplifying assumptions of the modeling scheme than a reliable prediction of the actual differences in flow velocity and depth from one cross-section to the next. Accordingly, the regulatory flood level at the upstream cross-section is taken to be equivalent to the downstream water surface elevation in these situations. Setting RFL equal to the energy grade resolves this problem.
8 Review of historical water level indicates that it never exceeded the estimated 1:100 year flood level. In a recent study on the lower most reach from Hags Back to Rideau Falls (RVCA, 2016), it was found that the highest recorded water level at Carleton University gauge (60.35 m on 28 March 1976) was lower than the estimated 1:100 year flood level of 60.75 m. Furthermore, during subsequent studies on the upstream reaches (Hogs Back to Kars, and Kars to Burritts Rapids) (RVCA, 2017a, 2017b), the same was found at Manotick gauge (81.01 m recorded vs. 81.80 m estimated flood level) and at Becketts Landing (86.76 m recorded vs. 87.31 m estimated flood level). Therefore, the 1:100 year flood is the appropriate mapping standard for the Rideau River.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 18 of 29 In all cases, the RFL is always between the computed water level and energy grade line. Hence, for the sake of simplicity and consistency, the energy grade elevation is often used as the RFL as a standard practice in delineating flood hazard areas. For the present study, the regulatory flood levels were set equal to the computed energy grade and are tabulated in Table 10, along with the computed water surface elevations and energy grades at each cross-section in the model.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 19 of 29 8. Flood Line Delineation 8.1 General Once the RFLs are established, the plotting of 1:100 year flood lines or flood risk limits is a relatively straightforward matter. Given the topographical information in the form of LIDAR spot heights, the inundated area below the RFLs can be easily delineated manually or by using automated computer programs. In the present case, it was done manually with a focus on areas with complex topography, infrastructure, and overbank flow paths. The raw LIDAR spot heights were extensively used in the plotting the flood risk limit. Field surveys were conducted by RVCA staff in 2015 to verify hydraulic connectivity through culvert openings and flood prone areas. This information (Table 13) was used in plotting the flood risk limit near culverts. The record of site-specific information associated with RVCA’s regulatory approval process was compiled since 2006 (Table 14). At five locations, the site-specific information warranted adjustment of the flood lines; but for the vast majority of locations, no change was required. Available as-built drawings, building layer, and aerial photographs were used to determine the flood risk limit. Special attention was paid near the outfalls of smaller tributaries to the Rideau River within the study area, since such areas are subjected to flood risk from two sources (backwater from a high Rideau River level, or an extreme flood event on the tributary). The flood plain limits on tributaries have been plotted based only on the flood elevation of the Rideau River – that is, assuming a horizontal water surface profile up along the tributary and an insignificant flow in the tributary itself. Caution needs to be applied when interpreting the flood line information produced in this study in the review of any development or watercourse alteration proposals on the downstream reaches of the tributaries – by taking into consideration the potential effect of high flows originating in the tributary watershed, possibly in combination with high water levels on the Rideau River in an appropriate manner.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 20 of 29 8.2 Buildings in the floodplain Presence of existing buildings within the floodplain and associated variation in the way a building could be exposed to flood risk required special attention. Recently, RVCA has consolidated a few rules for drawing flood lines in the vicinity of buildings (Appendix C), which have been followed in this study. Due to the limitations of the data and methodology used in the current mapping done at a large scale, and the small degree of (inevitable) subjectivity in drawing flood lines around buildings at a smaller scale, RVCA recommends that, should the need arise for more accurate flood line delineation near buildings, site-specific information be taken into account when dealing with flood risk at these locations. It is the practice of RVCA to refine flood lines when more accurate information becomes available.
8.3 Islands in the floodplain Presence of small islands, especially those associated with septic beds, within the floodplain also requires special attention. Recently, RVCA has decided to show small islands with an area less than 1000 m2 as flood risk area (Appendix C) This guidance was followed during this study.
8.4 Flood mapping data in GIS The regulatory flood lines and cross-sections have been incorporated as separate layers in RVCA’s Geographical Information System (GIS). In this system, one can view the flood lines, cross-sections, design flow, water level, energy grade, RFL, and other computed parameters. The flood lines can be overlain on the aerial photography or any other base mapping layers that are in the system and at any scale that suits the user’s need. The regulatory flood line layer is maintained, and updated as required according to the established procedures of the RVCA (RVCA 2005). Figures 9(a-e) shows the flood risk limits as delineated in this study. At all cross- section locations, the RFL is indicated. The general surrounding and land marks are also included for easy referencing.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 21 of 29 9. Project Deliverables The key information or knowledge products generated from this project are: 1) The Flood Mapping Report (this Technical Memorandum) – which summarizes the analytical methods that were used and the underlying assumptions 2) The flood risk limit lines in GIS format (shape files) – identifying the extent of lands which are considered to be vulnerable to flooding during a regulatory flood event (1:100 year flood on the Rideau River) 3) The HEC-RAS model files (input and output) 4) The position and orientation of cross-sections used in the HEC-RAS model, in GIS format (shape files) – which, when used in conjunction with the HEC-RAS model output files, informs the user as to the estimated 1:100 year water surface elevation and the regulatory flood level for any location in the study area
A “documentation folder” containing working notes and relevant background information accumulated during the study process is maintained by the water resources engineering unit within RVCA’s Watershed Science and Engineering Services Department.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 22 of 29 10. Closure The hydrotechnical and cartographic procedures used in this study generally conform to present day standards for flood hazard delineation, as set out in the MNR’s Natural Hazards Technical Guide (MNR, 2002). The resulting 1:100 year flood lines are suitable for use in the RVCA’s regulation limits mapping (as per Ontario Regulation 174/06) and in municipal land use planning and development approval processes under the Planning Act. The water surface profiles generated in the study will also be useful in the flood forecasting and warning services provided by the RVCA.
Ferdous Ahmed, Ph.D., P.Eng. Senior Water Resources Engineer
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 23 of 29 11. References:
1. Acres International Limited (1994). Rideau Canal Water Management Study. Prepared for Park Canada by Acres International Limited.
2. Airborne Imagery (2013). LiDAR for City of Ottawa Mapping Program RFT No. 01912-90510-T01 – Final Report. Prepared for the City of Ottawa by Airborne Imagery, Calgary, Alberta, March 2013.
3. Bentley Systems (2007). Floodplain Modeling Using HEC-RAS. Bentley Institute Press, Exton, PA.
4. Chow, V. T. (1959). Open-Channel Hydraulics. McGraw-Hill, New York, NY.
5. Conservation Ontario (2005). Guidelines for Developing Schedules of Regulated Areas. October 2005.
6. Dillon (1972). Rideau River Flood Plain Mapping: Ottawa River to Kars. Prepared for the Rideau Valley Conservation Authority by M. M. Dillon Limited, Ottawa, July 1972.
7. Dillon (1989). Rideau River Flood Risk Mapping Study: Mooney's Bay to Regional Road 6. Prepared for the Rideau Valley Conservation Authority by M. M. Dillon Limited, Ottawa, February 1989.
8. Environment Canada (2010). Planning for a Sustainable Future: A Federal Sustainable Development Strategy for Canada. Sustainable Development Office, Environment Canada. (https://www.ec.gc.ca/dd-sd/F93CD795-0035-4DAF-86D1- 53099BD303F9/FSDS_v4_EN.pdf)
9. Federal Sustainable Development Act (2008). Published by the Minister of Justice, Government of Canada. (http://laws-lois.justice.gc.ca/PDF/F-8.6.pdf)
10. FEMA (2009). Guidelines and Specifications for Flood Hazard Mapping Partners, Appendix C: Guidance for Riverine Flooding Analysis and mapping. Federal Emergency Management Agency, Washington DC.
11. Heastad Methods (2003). Floodplain Modeling Using HEC-RAS. Heastad Press, Waterbury, CT.
12. MMAH (2005). 2005 Provincial Policy Statement. Ontario Ministry of Municipal Affairs and Housing, Queen’s Printer, Toronto, Ontario, 2005. (http://www.mah.gov.on.ca/AssetFactory.aspx?did=11112)
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 24 of 29 13. MMAH (2014). 2014 Provincial Policy Statement. Ontario Ministry of Municipal Affairs and Housing, Queen’s Printer, Toronto, Ontario, 30 April 2014. (http://www.mah.gov.on.ca/AssetFactory.aspx?did=10463)
14. MNR (1986). Flood Plain Management in Ontario – Technical Guidelines. Ontario Ministry of Natural Resources, Conservation Authorities and Water Management Branch, Toronto.
15. MNR (2002). Technical Guide – River & Stream systems: Flooding Hazard Limit. Ontario Ministry of Natural Resources, Water Resources Section, Peterborough, Ontario, 2002.
16. Robinson (1984). Report on Flood Risk Mapping of Rideau River from Mooneys Bay to Rideau Falls. Prepared for Rideau Valley Conservation Authority by A.J. Robinson and Associates Inc., Ottawa, March 1984.
17. Ontario Regulation 97/04 (2004). CONTENT OF CONSERVATION AUTHORITY REGULATIONS UNDER SUBSECTION 28 (1) OF THE ACT: DEVELOPMENT, INTERFERENCE WITH WETLANDS AND ALTERATIONS TO SHORELINES AND WATERCOURSES. (http://www.ontario.ca/laws/regulation/040097).
18. Ontario Regulation 174/06 (2006). RIDEAU VALLEY CONSERVATION AUTHORITY: REGULATION OF DEVELOPMENT, INTERFERENCE WITH WETLANDS AND ALTERATIONS TO SHORELINES AND WATERCOURSES. (http://www.ontario.ca/laws/regulation/060174).
19. RVCA (2005). RVCA Methods for Delineation of Regulation Limits in Accordance with Ontario Regulation 97/04. Rideau Valley Conservation Authority, Manotick, Ontario, November 16, 2005.
20. RVCA (2016). Rideau River Flood Risk Mapping from Hogs Back to Rideau Falls. Rideau Valley Conservation Authority, Manotick, Ontario, 8 August 2016.
21. RVCA (2017a). Rideau River Hydrological Analysis for the Purposes of Flood Risk Mapping. Rideau Valley Conservation Authority, Manotick, Ontario, 29 May 2017.
22. RVCA (2017b). Rideau River Flood Risk Mapping from Kars to Burritts Rapids. Rideau Valley Conservation Authority, Manotick, Ontario, Canada. [in preparation]
23. UNESCO (2005). The Precautionary Principle. World Commission on the Ethics of Science and Technology (COMEST), UNESCO, Paris, France. (http://unesdoc.unesco.org/images/0013/001395/139578e.pdf)
24. USACE (1990). HEC-2 – Water Surface Profiles – User’s Manual. US Army Corps of Engineers, Hydrologic Engineering Center, Davis, CA, September 1990.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 25 of 29 25. USACE (2010). HEC-RAS – River Analysis System – Hydraulic Reference Manual version 4.1.0, US Army Corps of Engineers, Hydrologic Engineering Center, Davis, CA, January 2010.
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 26 of 29 Table 1 Estimated Flood Quantiles to be Used for Flood Mapping. Rideau River Rideau River Rideau River Below Rideau River Above Jock River Near Kemptville Creek at Ottawa Below Manotick Merrickville Smith Falls Richmond Near Kemptville (02LA004) (02LA012) (02LA011) (02LA005) (02LA007) (02LA006)
Return Annual Discharge Discharge Discharge Discharge Discharge Discharge Period Probability of (m³/s) (m³/s) (m³/s) (m³/s) (m³/s) (m³/s) (year) Exceedence (%) 2 50 369.00 230.00 120.00 53.00 84.70 48.20 5 20 475.00 292.00 148.00 100.00 125.00 67.20 10 10 529.00 330.00 162.00 117.00 140.00 75.50 20 5 572.00 364.00 174.00 128.00 147.00 80.70 50 2 617.00 406.00 186.00 135.00 151.00 84.80 100 1 644.00 435.00 194.00 140.00 153.00 86.60 200 0.5 667.00 463.00 200.00 145.00 153.00 87.80 350†† 0.3 680.00 480.00 204.00 148.00 154.00 88.00 500 0.2 691.00 497.00 207.00 150.00 154.00 88.60 Drainage Area (km²) 3809 3138 1967 1250 526 411 Data Span 1947‐2012 1981‐2014 1980‐2014 1970‐2010 1970‐2014 1970‐2014 Frequency GEV GEV GEV Manual Fit WAKEBY WAKEBY Note: GEV ‐ Generalized Extreme Value 3PLN ‐ 3 Parameter Lognormal LP3 ‐ Log Pearson Type III WKY ‐ Wakeby † Source: RVCA (2015) Rideau River Flood Risk Mapping from Hogs Back to Rideau Falls †† 350 year flood quan le was es mated by graphical interpola on. Table 2 Calculated "k" Exponents That Are Used In the Flow Transposition Equation in Order to Determine the Flows at Different Locations. Rideau River at Rideau River Below Rideau River at Rideau River Below Rideau River at Ottawa (02LA004) Manotick (02LA012) Ottawa (02LA004) Return Period Merrickville (02LA011) Ottawa (02LA004) and Rideau River and Rideau River and Kemptville Creek (Years) and Rideau River Above and Jock River Near Below Manotick Below Merrickville Near Kemptville Smith Falls (02LA005) Richmond (02LA007) (02LA012) (02LA011) (02LA006) 2 2.44 1.39 1.80 0.74 0.91 5 2.51 1.45 0.86 0.67 0.88 10 2.44 1.52 0.72 0.67 0.87 20 2.33 1.58 0.68 0.69 0.88 50 2.16 1.67 0.71 0.71 0.89 100 2.03 1.73 0.72 0.73 0.90 200 1.88 1.80 0.71 0.74 0.91 350 1.80 1.83 0.71 0.75 0.92 500 1.70 1.87 0.71 0.76 0.92 Table 3 Estimated Flood Quantiles for HEC‐RAS Modelling. Return Period (Year) River Reach Cross‐Section ID 500 Yr 350 Yr 200 Yr 100 Yr 50 Yr 20 Yr 10 Yr 5 Yr 2 Yr Rideau River USManotick 29000 460.45 445.42 430.18 405.32 379.23 341.25 310.13 275.21 217.30 Rideau River USManotick 28727 460.84 445.80 430.53 405.64 379.52 341.50 310.35 275.39 217.44 Rideau River USManotick 27870 462.68 447.54 432.18 407.14 380.87 342.64 311.35 276.24 218.09 Rideau River USManotick 26830 466.75 451.39 435.84 410.45 383.86 345.19 313.58 278.12 219.51 Rideau River USManotick 26060 466.86 451.49 435.94 410.53 383.94 345.26 313.64 278.17 219.55 Rideau River USManotick 25110 467.26 451.88 436.30 410.87 384.24 345.51 313.86 278.36 219.69 Rideau River USManotick 24165 469.44 453.94 438.26 412.64 385.83 346.87 315.05 279.37 220.45 Rideau River USManotick 23130 470.37 454.81 439.09 413.39 386.51 347.45 315.55 279.79 220.77 Rideau River USManotick 21765 473.44 457.72 441.85 415.89 388.76 349.36 317.22 281.21 221.84 Rideau River USManotick 20890 473.63 457.90 442.02 416.04 388.91 349.48 317.33 281.29 221.91 Rideau River East Branch† 19890 233.71 225.29 216.94 203.34 189.16 168.27 150.38 133.01 104.42 Rideau River West Branch† 20090 239.92 232.61 225.08 212.70 199.75 181.21 166.95 148.28 117.49 Rideau River DS Manotick 15350 497.00 480.00 463.00 435.00 406.00 364.00 330.00 292.00 230.00 Rideau River DS Manotick 13730 657.69 640.69 622.65 594.65 563.56 517.39 476.08 422.43 318.38 Rideau River DS Manotick 6615 682.85 671.51 658.30 634.94 607.76 562.77 520.06 466.75 362.77 Rideau River DS Manotick 0 691.00 680.00 667.00 644.00 617.00 572.00 529.00 475.00 369.00 Note: † Automa cally op mized by HEC‐RAS model. Table 4 Bridge Information. Chainage Bounding Cross Top of Deck Low Chord Deck Width Coefficient of Coefficient of Date of River/Reach Bridge Source (m) Sections (m) (m) (m) Contraction Expansion Drawing Rideau River/DSManotick Via Rail Bridge 3635 3630 & 3640 89.40 85.70 10.00 0.3 0.5 1979 VIA Rail Rideau River/DSManotick Hunt Club Road 5087 5075 & 5100 96.60 92.70 25.00 0.3 0.5 1983 City of Ottawa Rideau River/DSManotick Strandherd Drive 12646 12610 & 12685 87.50 86.30 58.70 0.3 0.5 2010 City of Ottawa Rideau River/West Branch Barnsdale Road 15856 15850 & 15862 86.50 85.00 12.00 0.3 0.5 1959 City of Ottawa Rideau River/West Branch Bridge Street ‐ West Branch 18627 18620 & 18634 88.50 87.80 14.00 0.3 0.5 1957 City of Ottawa Rideau River/East Branch Bridge Street ‐ East Branch 18191 18185 & 18196 93.00 92.20 11.00 0.3 0.5 1999 City of Ottawa Rideau River/USManotick Roger Stevens Drive 28719 28715 & 28727 94.50 92.60 12.00 0.3 0.5 2011 City of Ottawa
Table 5 Dam Information. Chainage Bounding Cross Top of Deck Sill Deck Width Coefficient of Coefficient of Date of River/Reach Bridge Source (m) Sections (m) (m) (m) Contraction Expansion Drawing Rideau River/DSManotick Hogs Back Dam ‐23 ‐33 & ‐12 77.00 71.16, 70.25, 69.64 8.00 0.3 0.5 2008 Parks Canada Rideau River/DSManotick Black Rapids Dam 6646 6615 & 6680 79.55 77.24, 74.65, 73.90 7.00 0.3 0.5 2011 Parks Canada Rideau River/West Branch Manotick Mill Dam 18792 18759 & 18825 87.43 82.59, 82.21 6.00 0.3 0.5 2008 Parks Canada Rideau River/East Branch Long Island Dam 15440 15425 & 15452 86.56 82.30 20.00 0.3 0.5 2007 Parks Canada Table 6 List of Modified Cross Sections. Cross‐Section Reason for Change Added cross section 11550 from the 2014 Rideau River (Rideau Falls to Hogs Back) Study DS Manotick ‐ (‐33) so that the Hogs Back to Kars model stabilises before study area. Added cross section 11507 from the 2014 Rideau River (Rideau Falls to Hogs Back) Study DS Manotick ‐ (‐74.7) so that the Hogs Back to Kars model stabilises before study area. Added new cross section while updating the Black Rapids Dam. Bathymetry information DS Manotick ‐ 6680 taken from the next upstream cross section due to the close proximity of the new cross section. Added new cross section while modelling the new Strandherd Dr bridge. Bathymetry DS Manotick ‐12610 information taken from the next upstream cross section due to the close proximity of the new cross section. DS Manotick ‐ 12685 Adjusted cross section while modelling the new Strandherd Dr bridge.
West Branch ‐ 18825 Added new cross sections while upating the Manotick Mill Dam. Limited bathymetry available, therefore trapezoidal channel assumed. Bathymetry data came from the West Branch ‐ 18759 Canadian Hydrographic Service's Nautical Navigation Charts.
Updated cross section to better reflect channel geometry downstream of Long Island East Branch ‐ 15425 Dam. Limited bathymetry available, therefore trapezoidal channel assumed. Bathymetry data came from the Canadian Hydrographic Service's Nautical Navigation Charts.
Added new cross section while upating the Long Island Dam. Limited bathymetry East Branch ‐ 15452 available, therefore trapezoidal channel assumed. Bathymetry data came from the Canadian Hydrographic Service's Nautical Navigation Charts.
Table 7 List of Modified Bridges and Dams. Dam or Bridge Section Reason for Change Number DS Manotick ‐23 All dams were remodelled as inline structures instead of cross sections in order to DS Manotick ‐ 6646 better model the behaviour of the flow over the structures. Dam drawings and East Branch ‐ 15440 information were received from Parks Canada in the form of dam safety inspection West Branch ‐ 18792 sheets. Strandherd Dr Bridge was added to the model from planned drawings and later verified DS Manotick ‐ 12646 with as‐built drawings. Table 8 Downstream Boundary Conditions (Cross Sections ‐74.7). Return Period Water Level at Cross Section ‐74.7 (Years) (m) Taken from Cross Section 11507 of the 2014 Rideau River (Rideau Falls to Hogs Back) HEC‐RAS Model 2 70.30 5 70.69 10 70.88 20 71.03 50 71.18 100 71.26 200 71.34 350 71.38 500 71.42 Note: Taken from Cross Section 11507 of the RVCA (2015) Rideau Falls to Hogs Back HEC‐RAS Model. Table 9A Comparison of the Observed and Computed Water Levels on April 4, 2015. April 4, 2015 Observed Water Level HEC‐RAS WL Difference Nearest (m) Modelled (Modeled vs Cross‐Section QOttawa = 171.75 m³/s Water Level Observed)
QManotick = 133.61 m³/s (m) (cm)
QMerrickville = 45.62 m³/s
Upstream of Hogs 105 72.90 72.93 3.00 Back
Hunt Club Bridge 5075 74.82 74.81 ‐1.00
Lowersill Black 6615 74.88 74.86 ‐2.00 Rapids Dam Uppersill Black 6680 77.62 77.46 Rapids Dam Manotick Stream 15350 80.08 80.00 ‐8.00 Gauge East Branch ‐ Bridge St East 85.02 85.12 10.00 18196 Whitehorse Park East Branch ‐ 84.71 84.68 ‐3.00 Piers 17920 West Branch ‐ Bridge St West 82.60 81.74 18634 Average Water Level Difference ‐0.17 Notes on Highlighted Cells: 1. Conditions not very conducive to accurate measurements due to waves, steep slopes, dam drawdown and accessibility of site. 2. Due to the measurement conditions the measured value has relatively low accuracy and low confidence. Table 9B Comparison of the Observed and Computed Water Levels on April 11, 2014. April 11, 2014 Observed Water Level HEC‐RAS WL Difference Nearest (m) Modelled (Modeled vs Cross‐Section QOttawa = 430.67 m³/s Water Level Observed) QManotick = 315.67 m³/s (m) (cm) QMerrickville = 140.22 m³/s
Manotick 15350 80.96 81.00 4.00 Stream Gauge
Average Water Level Difference 4.00 Table 9C Comparison of the Observed and Computed Water Levels on April 6, 1999. April 6, 1999 Observed Water Level HEC‐RAS WL Difference Nearest (m) Modelled (Modeled vs Cross‐Section QOttawa = 397.00 m³/s Water Level Observed)
QManotick = 276.00 m³/s (m) (cm)
QMerrickville = 136.00 m³/s
Manotick 15350 80.79 80.81 2.00 Stream Gauge
Kelly's Landing 23780 86.09 86.10 1.00
Doyle Creek 27870 86.28 86.34 6.00
Average Water Level Difference 3.00 Table 9D Comparison of the Observed and Computed Water Levels on April 5, 1982. April 5, 1982 Observed Water Level HEC‐RAS WL Difference Nearest (m) Modelled (Modeled vs Cross‐Section QOttawa = 332.00 m³/s Water Level Observed)
QManotick = 262.00 m³/s (m) (cm)
QMerrickville = 89.60 m³/s
Lowersill Black 6615 75.76 75.77 1.00 Rapids Dam
Uppersill Black 6680 77.92 77.94 2.00 Rapids Dam
Manotick 15350 80.73 80.74 1.00 Stream Gauge West Branch ‐ Bridge St West 83.10 83.16 18634
Average Water Level Difference 1.33 Notes on Highlighted Cells: 1. Conditions not very conducive to accurate measurements due to waves, steep slopes, dam drawdown and accessibility of site. 2. Due to the measurement conditions the measured value has relatively low accuracy and low confidence. Table 9E Comparison of the Observed and Computed Water Levels on February 24, 1981. February 24, 1981 Observed Water Level HEC‐RAS WL Difference Nearest (m) Modelled (Modeled vs Cross‐Section QOttawa = 435.00 m³/s Water Level Observed)
QManotick = 298.00 m³/s (m) (cm)
QMerrickville = 127.00 m³/s
Manotick 15350 80.88 80.92 4.00 Stream Gauge
Uppersill Long East Branch ‐ 84.09 84.03 ‐6.00 Island Dam 15452
Whitehorse East Branch ‐ 85.12 85.19 7.00 Park Piers 17925 West Branch ‐ Bridge St West 83.50 83.38 18634
Average Water Level Difference 1.67 Notes on Highlighted Cells: 1. Conditions not very conducive to accurate measurements due to waves, steep slopes, dam drawdown and accessibility of site. 2. Due to the measurement conditions the measured value has relatively low accuracy and low confidence. Table 10 Regulatory Flood Levels for the 1:100 Year Flood Event. Xsec ID Q Total Computed WSEL EGL RFL River Reach # (m3/s) (m) (m) (m) USManotick 29000 405.32 87.22 87.23 ‐ USManotick 28727 405.64 87.20 87.22 ‐ USManotick 28719 Roger Stevens Drive USManotick 28715 405.64 87.20 87.22 87.22 USManotick 28435 405.64 87.20 87.21 87.21 USManotick 28245 405.64 87.19 87.20 87.20 USManotick 28075 405.64 87.19 87.20 87.20 USManotick 27870 407.14 87.18 87.19 87.19 USManotick 27540 407.14 87.16 87.18 87.18 USManotick 27160 407.14 87.15 87.16 87.16 USManotick 26830 410.45 87.14 87.15 87.15 USManotick 26545 410.45 87.12 87.14 87.14 USManotick 26230 410.45 87.11 87.13 87.13 USManotick 26060 410.53 87.11 87.12 87.12 USManotick 25810 410.53 87.10 87.11 87.11 USManotick 25500 410.53 87.09 87.10 87.10 USManotick 25300 410.53 87.09 87.10 87.10 USManotick 25110 410.87 87.08 87.09 87.09 USManotick 24680 410.87 87.03 87.07 87.07 USManotick 24560 410.87 87.03 87.05 87.05 USManotick 24350 410.87 86.99 87.03 87.03 River
USManotick 24165 412.64 86.98 87.01 87.01 USManotick 24000 412.64 86.91 86.97 86.97
Rideau USManotick 23780 412.64 86.84 86.91 86.91 USManotick 23615 412.64 86.81 86.86 86.86 USManotick 23400 412.64 86.67 86.78 86.78 USManotick 23130 413.39 86.70 86.71 86.71 USManotick 22840 413.39 86.68 86.70 86.70 USManotick 22350 413.39 86.55 86.63 86.63 USManotick 22015 413.39 86.29 86.44 86.44 USManotick 21765 415.89 86.36 86.36 86.36 USManotick 21505 415.89 86.35 86.36 86.36 USManotick 21275 415.89 86.31 86.34 86.34 USManotick 21115 415.89 86.30 86.32 86.32 USManotick 20890 416.04 86.28 86.30 86.30 USManotick 20515 416.04 86.20 86.25 86.25 USManotick 20200 416.04 86.15 86.18 86.18 East Branch 19890 203.34 86.15 86.16 86.16 East Branch 19715 203.34 86.13 86.15 86.15 East Branch 19490 203.34 86.08 86.12 86.12 East Branch 19180 203.34 86.08 86.09 86.09 East Branch 18870 203.34 86.05 86.07 86.07 East Branch 18695 203.34 86.04 86.06 86.06 East Branch 18325 203.34 86.01 86.03 86.03 Xsec ID Q Total Computed WSEL EGL RFL River Reach # (m3/s) (m) (m) (m) East Branch 18196 203.34 85.97 86.01 86.01 East Branch 18191 Bridge Street (East) East Branch 18185 203.34 85.97 86.01 86.01 East Branch 18135 203.34 85.96 85.99 85.99 East Branch 17925 203.34 85.52 85.82 85.82 East Branch 17920 203.34 85.20 85.72 85.72 East Branch 17720 203.34 85.13 85.14 85.14 East Branch 17460 203.34 85.05 85.10 85.10 East Branch 17170 203.34 84.92 84.99 84.99 East Branch 16820 203.34 84.77 84.82 84.82 East Branch 16515 203.34 84.71 84.74 84.74 East Branch 16430 203.34 84.71 84.73 84.73 East Branch 16130 203.34 84.70 84.70 84.70 East Branch 16030 203.34 84.70 84.70 84.70 East Branch 15770 203.34 84.69 84.70 84.70 East Branch 15570 203.34 84.69 84.70 84.70 East Branch 15452 203.34 84.55 84.66 84.66 East Branch 15440 Long Island Dam East Branch 15425 203.34 81.81 81.95 81.95 West Branch 20090 212.70 86.09 86.16 86.16 West Branch 19945 212.70 85.88 86.02 86.02 West Branch 19815 212.70 85.61 85.82 85.82 River West Branch 19690 212.70 85.50 85.63 85.63 West Branch 19530 212.70 85.52 85.54 85.54 Rideau West Branch 19360 212.70 85.48 85.51 85.51 West Branch 19025 212.70 85.09 85.30 85.30 West Branch 18885 212.70 84.39 84.79 84.79 West Branch 18825 212.70 84.37 84.52 84.52 West Branch 18792 Manotick Mill Dam West Branch 18759 212.70 84.07 84.15 84.15 West Branch 18716 212.70 84.02 84.12 84.12 West Branch 18709 212.70 84.02 84.12 84.12 West Branch 18634 212.70 84.01 84.07 84.07 West Branch 18627 Bridge Street (West) West Branch 18620 212.70 84.00 84.06 84.06 West Branch 18490 212.70 83.88 83.99 83.99 West Branch 18270 212.70 83.55 83.77 83.77 West Branch 17975 212.70 83.24 83.43 83.43 West Branch 17785 212.70 83.25 83.29 83.29 West Branch 17595 212.70 83.22 83.26 83.26 West Branch 17375 212.70 83.18 83.22 83.22 West Branch 17040 212.70 83.11 83.16 83.16 West Branch 16860 212.70 83.08 83.13 83.13 West Branch 16510 212.70 82.96 83.04 83.04 West Branch 16177 212.70 82.70 82.84 82.84 Xsec ID Q Total Computed WSEL EGL RFL River Reach # (m3/s) (m) (m) (m) West Branch 15862 212.70 82.42 82.53 82.53 West Branch 15856 Barnsdale Road West Branch 15850 212.70 82.40 82.52 82.52 West Branch 15740 212.70 82.10 82.35 82.35 West Branch 15600 212.70 81.97 82.14 82.14 West Branch 15420 212.70 81.81 81.96 81.96 DSManotick 15350 435.00 81.47 81.80 81.80 DSManotick 15260 435.00 80.43 81.31 81.31 DSManotick 15190 435.00 80.45 80.74 80.74 DSManotick 15080 435.00 80.50 80.56 80.56 DSManotick 14875 435.00 80.47 80.51 80.51 DSManotick 14625 435.00 80.32 80.44 80.44 DSManotick 14400 435.00 80.26 80.36 80.36 DSManotick 14305 435.00 80.28 80.31 80.31 DSManotick 14210 435.00 80.23 80.29 80.29 DSManotick 14060 435.00 80.08 80.22 80.22 DSManotick 13920 435.00 80.13 80.14 80.14 DSManotick 13730 594.65 80.11 80.13 80.13 DSManotick 13465 594.65 80.06 80.10 80.10 DSManotick 13255 594.65 80.03 80.08 80.08 DSManotick 13045 594.65 79.82 79.99 79.99 DSManotick 12855 594.65 79.82 79.88 79.88 River DSManotick 12685 594.65 79.65 79.80 79.80 DSManotick 12646 Strandherd Drive Rideau DSManotick 12610 594.65 79.36 79.50 79.50 DSManotick 12510 594.65 79.33 79.44 79.44 DSManotick 12315 594.65 79.33 79.36 79.36 DSManotick 12100 594.65 79.30 79.32 79.32 DSManotick 11795 594.65 79.27 79.30 79.30 DSManotick 11480 594.65 79.23 79.27 79.27 DSManotick 11215 594.65 79.21 79.24 79.24 DSManotick 10895 594.65 79.18 79.21 79.21 DSManotick 10575 594.65 79.15 79.19 79.19 DSManotick 10365 594.65 79.14 79.17 79.17 DSManotick 10105 594.65 79.12 79.14 79.14 DSManotick 10055 594.65 79.10 79.14 79.14 DSManotick 9955 594.65 79.09 79.12 79.12 DSManotick 9860 594.65 79.08 79.11 79.11 DSManotick 9665 594.65 79.08 79.10 79.10 DSManotick 9410 594.65 79.03 79.07 79.07 DSManotick 9200 594.65 79.01 79.05 79.05 DSManotick 8960 594.65 78.98 79.03 79.03 DSManotick 8840 594.65 78.95 79.00 79.00 DSManotick 8590 594.65 78.92 78.95 78.95 DSManotick 8400 594.65 78.93 78.93 78.93 Xsec ID Q Total Computed WSEL EGL RFL River Reach # (m3/s) (m) (m) (m) DSManotick 8325 594.65 78.92 78.93 78.93 DSManotick 8245 594.65 78.91 78.92 78.92 DSManotick 8060 594.65 78.89 78.91 78.91 DSManotick 7915 594.65 78.86 78.89 78.89 DSManotick 7725 594.65 78.85 78.87 78.87 DSManotick 7500 594.65 78.77 78.83 78.83 DSManotick 7260 594.65 78.65 78.75 78.75 DSManotick 6955 594.65 78.60 78.65 78.65 DSManotick 6755 594.65 78.57 78.61 78.61 DSManotick 6680 594.65 78.56 78.60 78.60 DSManotick 6646 Black Rapids Dam DSManotick 6615 634.94 77.14 77.19 77.19 DSManotick 6560 634.94 77.14 77.17 77.17 DSManotick 6430 634.94 77.15 77.16 77.16 DSManotick 6210 634.94 77.13 77.15 77.15 DSManotick 5940 634.94 77.08 77.13 77.13 DSManotick 5560 634.94 77.03 77.09 77.09 DSManotick 5205 634.94 77.00 77.05 77.05 DSManotick 5100 634.94 76.99 77.04 77.04 DSManotick 5087 Hunt Club Road DSManotick 5075 634.94 76.99 77.04 77.04 DSManotick 4980 634.94 76.98 77.04 77.04 River DSManotick 4810 634.94 76.94 77.01 77.01 DSManotick 4555 634.94 76.94 76.98 76.98 Rideau DSManotick 4320 634.94 76.94 76.95 76.95 DSManotick 4015 634.94 76.88 76.93 76.93 DSManotick 3750 634.94 76.63 76.83 76.83 DSManotick 3640 634.94 76.59 76.75 76.75 DSManotick 3635 VIA Rail Bridge DSManotick 3630 634.94 76.58 76.74 76.74 DSManotick 3535 634.94 76.52 76.69 76.69 DSManotick 3335 634.94 76.47 76.58 76.58 DSManotick 3065 634.94 76.44 76.50 76.50 DSManotick 2780 634.94 76.33 76.43 76.43 DSManotick 2440 634.94 76.29 76.34 76.34 DSManotick 2290 634.94 76.21 76.30 76.30 DSManotick 2085 634.94 76.02 76.19 76.19 DSManotick 1950 634.94 75.79 76.05 76.05 DSManotick 1815 634.94 75.50 75.84 75.84 DSManotick 1690 634.94 75.22 75.60 75.60 DSManotick 1545 634.94 75.10 75.35 75.35 DSManotick 1415 634.94 75.14 75.22 75.22 DSManotick 1285 634.94 75.16 75.18 75.18 DSManotick 1150 634.94 75.16 75.17 75.17 DSManotick 825 634.94 75.16 75.17 75.17 Xsec ID Q Total Computed WSEL EGL RFL River Reach # (m3/s) (m) (m) (m) DSManotick 510 634.94 75.15 75.16 75.16 DSManotick 380 634.94 75.13 75.16 75.16 DSManotick 200 634.94 75.14 75.15 75.15 DSManotick 105 634.94 74.95 75.10 75.10 River
DSManotick 50 634.94 73.70 74.77 74.77 DSManotick 0 644.00 73.51 74.19 74.19
Rideau DSManotick ‐12 644.00 73.47 74.17 ‐ DSManotick ‐23 Hogs Back Dam DSManotick ‐33 644.00 73.21 73.54 ‐ DSManotick ‐74.7 644.00 71.26 72.73 ‐ Note: RFL ‐ Regulatory Flood Level EGL ‐ Energy Grade Elevation WSEL ‐ Computed Water Surface Elevation Table 11 Flows and Computed Water Levels for the 100, 200, 350 and 500 Year Flood Events. Xsec ID Flow (m³/s) and Computed WSEL (m) for Different Flood Events River Reach # Q500 WL500 Q350 WL350 Q200 WL200 Q100 WL100 USManotick 29000 460.45 87.50 445.42 87.43 430.18 87.35 405.32 87.22 USManotick 28727 460.84 87.49 445.80 87.41 430.53 87.33 405.64 87.20 USManotick 28719 Roger Stevens Drive USManotick 28715 460.84 87.49 445.80 87.41 430.53 87.33 405.64 87.20 USManotick 28435 460.84 87.48 445.80 87.40 430.53 87.33 405.64 87.20 USManotick 28245 460.84 87.47 445.80 87.40 430.53 87.32 405.64 87.19 USManotick 28075 460.84 87.47 445.80 87.39 430.53 87.32 405.64 87.19 USManotick 27870 462.68 87.46 447.54 87.39 432.18 87.31 407.14 87.18 USManotick 27540 462.68 87.44 447.54 87.36 432.18 87.29 407.14 87.16 USManotick 27160 462.68 87.42 447.54 87.35 432.18 87.27 407.14 87.15 USManotick 26830 466.75 87.41 451.39 87.34 435.84 87.26 410.45 87.14 USManotick 26545 466.75 87.40 451.39 87.32 435.84 87.25 410.45 87.12 USManotick 26230 466.75 87.38 451.39 87.31 435.84 87.23 410.45 87.11 USManotick 26060 466.86 87.38 451.49 87.30 435.94 87.23 410.53 87.11 USManotick 25810 466.86 87.37 451.49 87.30 435.94 87.22 410.53 87.10 USManotick 25500 466.86 87.36 451.49 87.29 435.94 87.21 410.53 87.09 USManotick 25300 466.86 87.35 451.49 87.28 435.94 87.21 410.53 87.09 USManotick 25110 467.26 87.35 451.88 87.28 436.30 87.20 410.87 87.08 USManotick 24680 467.26 87.30 451.88 87.23 436.30 87.16 410.87 87.03 USManotick 24560 467.26 87.30 451.88 87.22 436.30 87.15 410.87 87.03 River
USManotick 24350 467.26 87.25 451.88 87.18 436.30 87.11 410.87 86.99 USManotick 24165 469.44 87.23 453.94 87.16 438.26 87.09 412.64 86.98
Rideau USManotick 24000 469.44 87.16 453.94 87.09 438.26 87.02 412.64 86.91 USManotick 23780 469.44 87.08 453.94 87.02 438.26 86.95 412.64 86.84 USManotick 23615 469.44 87.05 453.94 86.99 438.26 86.92 412.64 86.81 USManotick 23400 469.44 86.91 453.94 86.84 438.26 86.78 412.64 86.67 USManotick 23130 470.37 86.94 454.81 86.88 439.09 86.81 413.39 86.70 USManotick 22840 470.37 86.92 454.81 86.85 439.09 86.79 413.39 86.68 USManotick 22350 470.37 86.76 454.81 86.71 439.09 86.65 413.39 86.55 USManotick 22015 470.37 86.49 454.81 86.44 439.09 86.38 413.39 86.29 USManotick 21765 473.44 86.57 457.72 86.51 441.85 86.45 415.89 86.36 USManotick 21505 473.44 86.56 457.72 86.50 441.85 86.45 415.89 86.35 USManotick 21275 473.44 86.51 457.72 86.45 441.85 86.40 415.89 86.31 USManotick 21115 473.44 86.49 457.72 86.44 441.85 86.39 415.89 86.30 USManotick 20890 473.63 86.48 457.90 86.42 442.02 86.37 416.04 86.28 USManotick 20515 473.63 86.39 457.90 86.34 442.02 86.28 416.04 86.20 USManotick 20200 473.63 86.33 457.90 86.28 442.02 86.23 416.04 86.15 East Branch 19890 233.71 86.33 225.29 86.28 216.94 86.23 203.34 86.15 East Branch 19715 233.71 86.32 225.29 86.27 216.94 86.22 203.34 86.13 East Branch 19490 233.71 86.26 225.29 86.21 216.94 86.17 203.34 86.08 East Branch 19180 233.71 86.26 225.29 86.21 216.94 86.16 203.34 86.08 East Branch 18870 233.71 86.23 225.29 86.18 216.94 86.13 203.34 86.05 Xsec ID Flow (m³/s) and Computed WSEL (m) for Different Flood Events River Reach # Q500 WL500 Q350 WL350 Q200 WL200 Q100 WL100 East Branch 18695 233.71 86.21 225.29 86.17 216.94 86.12 203.34 86.04 East Branch 18325 233.71 86.18 225.29 86.14 216.94 86.09 203.34 86.01 East Branch 18196 233.71 86.13 225.29 86.08 216.94 86.04 203.34 85.97 East Branch 18191 Bridge Street (East) East Branch 18185 233.71 86.13 225.29 86.08 216.94 86.04 203.34 85.97 East Branch 18135 233.71 86.12 225.29 86.08 216.94 86.03 203.34 85.96 East Branch 17925 233.71 85.64 225.29 85.61 216.94 85.58 203.34 85.52 East Branch 17920 233.71 85.31 225.29 85.28 216.94 85.25 203.34 85.20 East Branch 17720 233.71 85.35 225.29 85.29 216.94 85.23 203.34 85.13 East Branch 17460 233.71 85.28 225.29 85.22 216.94 85.16 203.34 85.05 East Branch 17170 233.71 85.15 225.29 85.09 216.94 85.03 203.34 84.92 East Branch 16820 233.71 85.00 225.29 84.94 216.94 84.88 203.34 84.77 East Branch 16515 233.71 84.95 225.29 84.89 216.94 84.82 203.34 84.71 East Branch 16430 233.71 84.94 225.29 84.88 216.94 84.81 203.34 84.71 East Branch 16130 233.71 84.93 225.29 84.87 216.94 84.80 203.34 84.70 East Branch 16030 233.71 84.93 225.29 84.87 216.94 84.80 203.34 84.70 East Branch 15770 233.71 84.93 225.29 84.87 216.94 84.80 203.34 84.69 East Branch 15570 233.71 84.93 225.29 84.86 216.94 84.80 203.34 84.69 East Branch 15452 233.71 84.76 225.29 84.71 216.94 84.65 203.34 84.55 East Branch 15440 Long Island Dam East Branch 15425 233.71 82.06 225.29 81.99 216.94 81.93 203.34 81.81 River West Branch 20090 239.92 86.28 232.61 86.23 225.08 86.18 212.70 86.09 West Branch 19945 239.92 86.06 232.61 86.02 225.08 85.97 212.70 85.88 Rideau West Branch 19815 239.92 85.79 232.61 85.74 225.08 85.69 212.70 85.61 West Branch 19690 239.92 85.67 232.61 85.62 225.08 85.58 212.70 85.50 West Branch 19530 239.92 85.70 232.61 85.65 225.08 85.60 212.70 85.52 West Branch 19360 239.92 85.65 232.61 85.61 225.08 85.56 212.70 85.48 West Branch 19025 239.92 85.24 232.61 85.20 225.08 85.16 212.70 85.09 West Branch 18885 239.92 84.55 232.61 84.51 225.08 84.46 212.70 84.39 West Branch 18825 239.92 84.54 232.61 84.49 225.08 84.45 212.70 84.37 West Branch 18792 Manotick Mill Dam West Branch 18759 239.92 84.33 232.61 84.26 225.08 84.19 212.70 84.07 West Branch 18716 239.92 84.27 232.61 84.21 225.08 84.14 212.70 84.02 West Branch 18709 239.92 84.27 232.61 84.20 225.08 84.14 212.70 84.02 West Branch 18634 239.92 84.26 232.61 84.19 225.08 84.12 212.70 84.01 West Branch 18627 Bridge Street (West) West Branch 18620 239.92 84.25 232.61 84.19 225.08 84.12 212.70 84.00 West Branch 18490 239.92 84.13 232.61 84.07 225.08 84.00 212.70 83.88 West Branch 18270 239.92 83.80 232.61 83.73 225.08 83.66 212.70 83.55 West Branch 17975 239.92 83.50 232.61 83.43 225.08 83.36 212.70 83.24 West Branch 17785 239.92 83.50 232.61 83.44 225.08 83.37 212.70 83.25 West Branch 17595 239.92 83.48 232.61 83.41 225.08 83.34 212.70 83.22 West Branch 17375 239.92 83.43 232.61 83.37 225.08 83.30 212.70 83.18 Xsec ID Flow (m³/s) and Computed WSEL (m) for Different Flood Events River Reach # Q500 WL500 Q350 WL350 Q200 WL200 Q100 WL100 West Branch 17040 239.92 83.36 232.61 83.30 225.08 83.23 212.70 83.11 West Branch 16860 239.92 83.33 232.61 83.27 225.08 83.20 212.70 83.08 West Branch 16510 239.92 83.21 232.61 83.14 225.08 83.08 212.70 82.96 West Branch 16177 239.92 82.94 232.61 82.88 225.08 82.81 212.70 82.70 West Branch 15862 239.92 82.67 232.61 82.60 225.08 82.53 212.70 82.42 West Branch 15856 Barnsdale Road West Branch 15850 239.92 82.66 232.61 82.59 225.08 82.52 212.70 82.40 West Branch 15740 239.92 82.34 232.61 82.27 225.08 82.21 212.70 82.10 West Branch 15600 239.92 82.22 232.61 82.15 225.08 82.08 212.70 81.97 West Branch 15420 239.92 82.07 232.61 82.00 225.08 81.93 212.70 81.81 DSManotick 15350 497.00 81.70 480.00 81.64 463.00 81.57 435.00 81.47 DSManotick 15260 497.00 80.67 480.00 80.60 463.00 80.54 435.00 80.43 DSManotick 15190 497.00 80.72 480.00 80.65 463.00 80.58 435.00 80.45 DSManotick 15080 497.00 80.77 480.00 80.70 463.00 80.62 435.00 80.50 DSManotick 14875 497.00 80.74 480.00 80.66 463.00 80.59 435.00 80.47 DSManotick 14625 497.00 80.57 480.00 80.50 463.00 80.43 435.00 80.32 DSManotick 14400 497.00 80.50 480.00 80.44 463.00 80.37 435.00 80.26 DSManotick 14305 497.00 80.53 480.00 80.46 463.00 80.39 435.00 80.28 DSManotick 14210 497.00 80.47 480.00 80.41 463.00 80.34 435.00 80.23 DSManotick 14060 497.00 80.30 480.00 80.24 463.00 80.18 435.00 80.08 DSManotick 13920 497.00 80.37 480.00 80.31 463.00 80.24 435.00 80.13 River DSManotick 13730 657.69 80.34 640.69 80.28 622.65 80.22 594.65 80.11 DSManotick 13465 657.69 80.29 640.69 80.23 622.65 80.16 594.65 80.06 Rideau DSManotick 13255 657.69 80.26 640.69 80.20 622.65 80.14 594.65 80.03 DSManotick 13045 657.69 80.03 640.69 79.98 622.65 79.92 594.65 79.82 DSManotick 12855 657.69 80.03 640.69 79.98 622.65 79.92 594.65 79.82 DSManotick 12685 657.69 79.86 640.69 79.80 622.65 79.75 594.65 79.65 DSManotick 12646 Strandherd Drive DSManotick 12610 657.69 79.55 640.69 79.50 622.65 79.45 594.65 79.36 DSManotick 12510 657.69 79.52 640.69 79.47 622.65 79.42 594.65 79.33 DSManotick 12315 657.69 79.52 640.69 79.47 622.65 79.41 594.65 79.33 DSManotick 12100 657.69 79.49 640.69 79.44 622.65 79.39 594.65 79.30 DSManotick 11795 657.69 79.46 640.69 79.41 622.65 79.36 594.65 79.27 DSManotick 11480 657.69 79.42 640.69 79.37 622.65 79.32 594.65 79.23 DSManotick 11215 657.69 79.39 640.69 79.35 622.65 79.29 594.65 79.21 DSManotick 10895 657.69 79.36 640.69 79.31 622.65 79.26 594.65 79.18 DSManotick 10575 657.69 79.33 640.69 79.29 622.65 79.24 594.65 79.15 DSManotick 10365 657.69 79.32 640.69 79.27 622.65 79.22 594.65 79.14 DSManotick 10105 657.69 79.30 640.69 79.25 622.65 79.20 594.65 79.12 DSManotick 10055 657.69 79.28 640.69 79.23 622.65 79.18 594.65 79.10 DSManotick 9955 657.69 79.26 640.69 79.22 622.65 79.17 594.65 79.09 DSManotick 9860 657.69 79.26 640.69 79.21 622.65 79.16 594.65 79.08 DSManotick 9665 657.69 79.25 640.69 79.20 622.65 79.15 594.65 79.08 Xsec ID Flow (m³/s) and Computed WSEL (m) for Different Flood Events River Reach # Q500 WL500 Q350 WL350 Q200 WL200 Q100 WL100 DSManotick 9410 657.69 79.20 640.69 79.15 622.65 79.11 594.65 79.03 DSManotick 9200 657.69 79.17 640.69 79.13 622.65 79.08 594.65 79.01 DSManotick 8960 657.69 79.14 640.69 79.10 622.65 79.06 594.65 78.98 DSManotick 8840 657.69 79.11 640.69 79.07 622.65 79.02 594.65 78.95 DSManotick 8590 657.69 79.08 640.69 79.04 622.65 79.00 594.65 78.92 DSManotick 8400 657.69 79.09 640.69 79.04 622.65 79.00 594.65 78.93 DSManotick 8325 657.69 79.08 640.69 79.03 622.65 78.99 594.65 78.92 DSManotick 8245 657.69 79.06 640.69 79.02 622.65 78.98 594.65 78.91 DSManotick 8060 657.69 79.04 640.69 79.00 622.65 78.96 594.65 78.89 DSManotick 7915 657.69 79.02 640.69 78.98 622.65 78.93 594.65 78.86 DSManotick 7725 657.69 79.00 640.69 78.96 622.65 78.92 594.65 78.85 DSManotick 7500 657.69 78.91 640.69 78.88 622.65 78.84 594.65 78.77 DSManotick 7260 657.69 78.78 640.69 78.75 622.65 78.71 594.65 78.65 DSManotick 6955 657.69 78.72 640.69 78.69 622.65 78.65 594.65 78.60 DSManotick 6755 657.69 78.70 640.69 78.66 622.65 78.63 594.65 78.57 DSManotick 6680 657.69 78.69 640.69 78.65 622.65 78.62 594.65 78.56 DSManotick 6646 Black Rapids Dam DSManotick 6615 682.85 77.32 671.51 77.28 658.30 77.23 634.94 77.14 DSManotick 6560 682.85 77.33 671.51 77.28 658.30 77.23 634.94 77.14 DSManotick 6430 682.85 77.34 671.51 77.29 658.30 77.24 634.94 77.15 DSManotick 6210 682.85 77.32 671.51 77.28 658.30 77.23 634.94 77.13 River DSManotick 5940 682.85 77.27 671.51 77.23 658.30 77.18 634.94 77.08 DSManotick 5560 682.85 77.21 671.51 77.17 658.30 77.12 634.94 77.03 Rideau DSManotick 5205 682.85 77.18 671.51 77.14 658.30 77.09 634.94 77.00 DSManotick 5100 682.85 77.17 671.51 77.13 658.30 77.08 634.94 76.99 DSManotick 5087 Hunt Club Road DSManotick 5075 682.85 77.17 671.51 77.13 658.30 77.08 634.94 76.99 DSManotick 4980 682.85 77.16 671.51 77.12 658.30 77.07 634.94 76.98 DSManotick 4810 682.85 77.12 671.51 77.08 658.30 77.03 634.94 76.94 DSManotick 4555 682.85 77.11 671.51 77.07 658.30 77.02 634.94 76.94 DSManotick 4320 682.85 77.11 671.51 77.07 658.30 77.02 634.94 76.94 DSManotick 4015 682.85 77.05 671.51 77.01 658.30 76.96 634.94 76.88 DSManotick 3750 682.85 76.79 671.51 76.75 658.30 76.71 634.94 76.63 DSManotick 3640 682.85 76.75 671.51 76.71 658.30 76.67 634.94 76.59 DSManotick 3635 VIA Rail Bridge DSManotick 3630 682.85 76.74 671.51 76.70 658.30 76.66 634.94 76.58 DSManotick 3535 682.85 76.67 671.51 76.64 658.30 76.60 634.94 76.52 DSManotick 3335 682.85 76.63 671.51 76.59 658.30 76.55 634.94 76.47 DSManotick 3065 682.85 76.59 671.51 76.56 658.30 76.51 634.94 76.44 DSManotick 2780 682.85 76.48 671.51 76.44 658.30 76.40 634.94 76.33 DSManotick 2440 682.85 76.45 671.51 76.41 658.30 76.37 634.94 76.29 DSManotick 2290 682.85 76.36 671.51 76.32 658.30 76.28 634.94 76.21 DSManotick 2085 682.85 76.16 671.51 76.13 658.30 76.09 634.94 76.02 Xsec ID Flow (m³/s) and Computed WSEL (m) for Different Flood Events River Reach # Q500 WL500 Q350 WL350 Q200 WL200 Q100 WL100 DSManotick 1950 682.85 75.93 671.51 75.90 658.30 75.86 634.94 75.79 DSManotick 1815 682.85 75.65 671.51 75.62 658.30 75.58 634.94 75.50 DSManotick 1690 682.85 75.38 671.51 75.34 658.30 75.30 634.94 75.22 DSManotick 1545 682.85 75.26 671.51 75.23 658.30 75.18 634.94 75.10 DSManotick 1415 682.85 75.31 671.51 75.27 658.30 75.23 634.94 75.14 DSManotick 1285 682.85 75.33 671.51 75.29 658.30 75.25 634.94 75.16 DSManotick 1150 682.85 75.33 671.51 75.29 658.30 75.25 634.94 75.16 DSManotick 825 682.85 75.33 671.51 75.29 658.30 75.24 634.94 75.16 River
DSManotick 510 682.85 75.32 671.51 75.28 658.30 75.23 634.94 75.15 DSManotick 380 682.85 75.30 671.51 75.26 658.30 75.21 634.94 75.13
Rideau DSManotick 200 682.85 75.30 671.51 75.26 658.30 75.22 634.94 75.14 DSManotick 105 682.85 75.10 671.51 75.07 658.30 75.03 634.94 74.95 DSManotick 50 682.85 73.83 671.51 73.80 658.30 73.76 634.94 73.70 DSManotick 0 691.00 73.65 680.00 73.62 667.00 73.58 644.00 73.51 DSManotick ‐12 691.00 73.62 680.00 73.58 667.00 73.54 644.00 73.47 DSManotick ‐23 Hogs Back Dam DSManotick ‐33 691.00 73.40 680.00 73.36 667.00 73.30 644.00 73.21 DSManotick ‐74.7 691.00 71.42 680.00 71.38 667.00 71.34 644.00 71.26 Note: WSEL ‐ Water Surface Elevation Q500 ‐ Flow Rate for a 500 year flood event WL500 ‐ Water Surface Elevation for a 500 year flood event Q350 ‐ Flow Rate for a 350 year flood event WL350 ‐ Water Surface Elevation for a 350 year flood event Q200 ‐ Flow Rate for a 200 year flood event WL200 ‐ Water Surface Elevation for a 200 year flood event Q100 ‐ Flow Rate for a 100 year flood event WL100 ‐ Water Surface Elevation for a 100 year flood event Table 12 Flows and Computed Water Levels for the 2, 5, 10, 20 and 50 Year Flood Events. Xsec ID Flow (m³/s) and Computed WSEL (m) for Different Flood Events River Reach # Q50 WL50 Q20 WL20 Q10 WL10 Q5 WL5 Q2 WL2 USManotick 29000 379.23 87.08 341.25 86.86 310.13 86.68 275.21 86.46 217.30 86.07 USManotick 28727 379.52 87.06 341.50 86.85 310.35 86.67 275.39 86.46 217.44 86.06 USManotick 28719 Roger Stevens Drive USManotick 28715 379.52 87.06 341.50 86.85 310.35 86.67 275.39 86.45 217.44 86.06 USManotick 28435 379.52 87.06 341.50 86.85 310.35 86.67 275.39 86.45 217.44 86.06 USManotick 28245 379.52 87.05 341.50 86.84 310.35 86.66 275.39 86.45 217.44 86.05 USManotick 28075 379.52 87.05 341.50 86.84 310.35 86.66 275.39 86.44 217.44 86.05 USManotick 27870 380.87 87.04 342.64 86.83 311.35 86.66 276.24 86.44 218.09 86.05 USManotick 27540 380.87 87.02 342.64 86.82 311.35 86.64 276.24 86.43 218.09 86.04 USManotick 27160 380.87 87.01 342.64 86.80 311.35 86.63 276.24 86.42 218.09 86.03 USManotick 26830 383.86 87.00 345.19 86.79 313.58 86.62 278.12 86.41 219.51 86.02 USManotick 26545 383.86 86.99 345.19 86.78 313.58 86.61 278.12 86.40 219.51 86.02 USManotick 26230 383.86 86.98 345.19 86.77 313.58 86.60 278.12 86.39 219.51 86.01 USManotick 26060 383.94 86.97 345.26 86.77 313.64 86.60 278.17 86.39 219.55 86.01 USManotick 25810 383.94 86.97 345.26 86.76 313.64 86.59 278.17 86.38 219.55 86.00 USManotick 25500 383.94 86.96 345.26 86.76 313.64 86.59 278.17 86.38 219.55 86.00 USManotick 25300 383.94 86.95 345.26 86.75 313.64 86.58 278.17 86.37 219.55 86.00 USManotick 25110 384.24 86.95 345.51 86.75 313.86 86.58 278.36 86.37 219.69 85.99 USManotick 24680 384.24 86.90 345.51 86.71 313.86 86.54 278.36 86.33 219.69 85.96 USManotick 24560 384.24 86.90 345.51 86.70 313.86 86.54 278.36 86.33 219.69 85.96 USManotick 24350 384.24 86.86 345.51 86.67 313.86 86.51 278.36 86.30 219.69 85.94 River
USManotick 24165 385.83 86.85 346.87 86.66 315.05 86.49 279.37 86.29 220.45 85.93 USManotick 24000 385.83 86.79 346.87 86.60 315.05 86.44 279.37 86.25 220.45 85.89
Rideau USManotick 23780 385.83 86.72 346.87 86.53 315.05 86.38 279.37 86.19 220.45 85.84 USManotick 23615 385.83 86.69 346.87 86.51 315.05 86.36 279.37 86.17 220.45 85.82 USManotick 23400 385.83 86.55 346.87 86.38 315.05 86.23 279.37 86.05 220.45 85.72 USManotick 23130 386.51 86.59 347.45 86.41 315.55 86.26 279.79 86.07 220.77 85.73 USManotick 22840 386.51 86.56 347.45 86.39 315.55 86.24 279.79 86.06 220.77 85.72 USManotick 22350 386.51 86.44 347.45 86.28 315.55 86.14 279.79 85.97 220.77 85.65 USManotick 22015 386.51 86.19 347.45 86.04 315.55 85.92 279.79 85.76 220.77 85.47 USManotick 21765 388.76 86.26 349.36 86.10 317.22 85.97 281.21 85.81 221.84 85.51 USManotick 21505 388.76 86.25 349.36 86.10 317.22 85.97 281.21 85.81 221.84 85.51 USManotick 21275 388.76 86.21 349.36 86.06 317.22 85.94 281.21 85.78 221.84 85.48 USManotick 21115 388.76 86.20 349.36 86.05 317.22 85.93 281.21 85.77 221.84 85.48 USManotick 20890 388.91 86.18 349.48 86.04 317.33 85.92 281.29 85.76 221.91 85.47 USManotick 20515 388.91 86.10 349.48 85.96 317.33 85.85 281.29 85.70 221.91 85.42 USManotick 20200 388.91 86.05 349.48 85.92 317.33 85.81 281.29 85.66 221.91 85.38 East Branch 19890 189.16 86.05 168.27 85.92 150.38 85.81 133.01 85.65 104.42 85.38 East Branch 19715 189.16 86.04 168.27 85.91 150.38 85.79 133.01 85.64 104.42 85.37 East Branch 19490 189.16 86.00 168.27 85.86 150.38 85.76 133.01 85.61 104.42 85.34 East Branch 19180 189.16 85.99 168.27 85.86 150.38 85.75 133.01 85.61 104.42 85.34 East Branch 18870 189.16 85.96 168.27 85.84 150.38 85.73 133.01 85.59 104.42 85.32 East Branch 18695 189.16 85.95 168.27 85.83 150.38 85.72 133.01 85.58 104.42 85.31 East Branch 18325 189.16 85.93 168.27 85.80 150.38 85.70 133.01 85.56 104.42 85.29 Xsec ID Flow (m³/s) and Computed WSEL (m) for Different Flood Events River Reach # Q50 WL50 Q20 WL20 Q10 WL10 Q5 WL5 Q2 WL2 East Branch 18196 189.16 85.89 168.27 85.77 150.38 85.67 133.01 85.53 104.42 85.28 East Branch 18191 Bridge Street (East) East Branch 18185 189.16 85.88 168.27 85.76 150.38 85.67 133.01 85.53 104.42 85.28 East Branch 18135 189.16 85.88 168.27 85.76 150.38 85.67 133.01 85.53 104.42 85.27 East Branch 17925 189.16 85.46 168.27 85.38 150.38 85.33 133.01 85.17 104.42 84.89 East Branch 17920 189.16 85.16 168.27 85.08 150.38 84.86 133.01 84.77 104.42 84.62 East Branch 17720 189.16 85.01 168.27 84.84 150.38 84.68 133.01 84.53 104.42 84.25 East Branch 17460 189.16 84.94 168.27 84.77 150.38 84.62 133.01 84.47 104.42 84.20 East Branch 17170 189.16 84.81 168.27 84.64 150.38 84.49 133.01 84.34 104.42 84.08 East Branch 16820 189.16 84.65 168.27 84.48 150.38 84.32 133.01 84.17 104.42 83.89 East Branch 16515 189.16 84.60 168.27 84.43 150.38 84.27 133.01 84.11 104.42 83.84 East Branch 16430 189.16 84.59 168.27 84.42 150.38 84.26 133.01 84.11 104.42 83.84 East Branch 16130 189.16 84.58 168.27 84.41 150.38 84.26 133.01 84.10 104.42 83.83 East Branch 16030 189.16 84.58 168.27 84.41 150.38 84.26 133.01 84.10 104.42 83.83 East Branch 15770 189.16 84.58 168.27 84.41 150.38 84.25 133.01 84.10 104.42 83.83 East Branch 15570 189.16 84.58 168.27 84.41 150.38 84.25 133.01 84.10 104.42 83.83 East Branch 15452 189.16 84.45 168.27 84.29 150.38 84.16 133.01 84.01 104.42 83.77 East Branch 15440 Long Island Dam East Branch 15425 189.16 81.69 168.27 81.51 150.38 81.36 133.01 81.18 104.42 80.84 West Branch 20090 199.75 86.00 181.21 85.86 166.95 85.75 148.28 85.60 117.49 85.33 West Branch 19945 199.75 85.79 181.21 85.66 166.95 85.55 148.28 85.40 117.49 85.12 West Branch 19815 199.75 85.53 181.21 85.39 166.95 85.29 148.28 85.15 117.49 84.86 River West Branch 19690 199.75 85.41 181.21 85.27 166.95 85.17 148.28 85.02 117.49 84.72 West Branch 19530 199.75 85.43 181.21 85.29 166.95 85.18 148.28 85.03 117.49 84.73 Rideau West Branch 19360 199.75 85.39 181.21 85.25 166.95 85.14 148.28 85.00 117.49 84.70 West Branch 19025 199.75 85.01 181.21 84.89 166.95 84.79 148.28 84.67 117.49 84.45 West Branch 18885 199.75 84.32 181.21 84.21 166.95 84.13 148.28 84.02 117.49 83.82 West Branch 18825 199.75 84.29 181.21 84.18 166.95 84.10 148.28 83.98 117.49 83.78 West Branch 18792 Manotick Mill Dam West Branch 18759 199.75 83.95 181.21 83.76 166.95 83.62 148.28 83.42 117.49 83.07 West Branch 18716 199.75 83.90 181.21 83.72 166.95 83.58 148.28 83.38 117.49 83.04 West Branch 18709 199.75 83.90 181.21 83.72 166.95 83.57 148.28 83.38 117.49 83.03 West Branch 18634 199.75 83.88 181.21 83.70 166.95 83.56 148.28 83.36 117.49 83.02 West Branch 18627 Bridge Street (West) West Branch 18620 199.75 83.88 181.21 83.70 166.95 83.55 148.28 83.36 117.49 83.01 West Branch 18490 199.75 83.76 181.21 83.58 166.95 83.43 148.28 83.24 117.49 82.89 West Branch 18270 199.75 83.43 181.21 83.25 166.95 83.11 148.28 82.92 117.49 82.58 West Branch 17975 199.75 83.12 181.21 82.94 166.95 82.79 148.28 82.59 117.49 82.24 West Branch 17785 199.75 83.12 181.21 82.93 166.95 82.78 148.28 82.58 117.49 82.22 West Branch 17595 199.75 83.09 181.21 82.91 166.95 82.76 148.28 82.56 117.49 82.20 West Branch 17375 199.75 83.06 181.21 82.87 166.95 82.72 148.28 82.53 117.49 82.17 West Branch 17040 199.75 82.99 181.21 82.80 166.95 82.66 148.28 82.46 117.49 82.11 West Branch 16860 199.75 82.96 181.21 82.78 166.95 82.63 148.28 82.44 117.49 82.09 West Branch 16510 199.75 82.84 181.21 82.67 166.95 82.53 148.28 82.34 117.49 82.01 West Branch 16177 199.75 82.58 181.21 82.41 166.95 82.27 148.28 82.08 117.49 81.76 Xsec ID Flow (m³/s) and Computed WSEL (m) for Different Flood Events River Reach # Q50 WL50 Q20 WL20 Q10 WL10 Q5 WL5 Q2 WL2 West Branch 15862 199.75 82.30 181.21 82.12 166.95 81.97 148.28 81.79 117.49 81.46 West Branch 15856 Barnsdale Road West Branch 15850 199.75 82.28 181.21 82.10 166.95 81.96 148.28 81.77 117.49 81.45 West Branch 15740 199.75 81.98 181.21 81.81 166.95 81.67 148.28 81.49 117.49 81.19 West Branch 15600 199.75 81.85 181.21 81.67 166.95 81.52 148.28 81.34 117.49 81.02 West Branch 15420 199.75 81.69 181.21 81.50 166.95 81.35 148.28 81.16 117.49 80.83 DSManotick 15350 406.00 81.36 364.00 81.19 330.00 81.06 292.00 80.89 230.00 80.58 DSManotick 15260 406.00 80.31 364.00 80.14 330.00 79.99 292.00 79.86 230.00 79.65 DSManotick 15190 406.00 80.32 364.00 80.10 330.00 79.91 292.00 79.65 230.00 79.07 DSManotick 15080 406.00 80.36 364.00 80.15 330.00 79.95 292.00 79.70 230.00 79.17 DSManotick 14875 406.00 80.33 364.00 80.12 330.00 79.92 292.00 79.67 230.00 79.14 DSManotick 14625 406.00 80.20 364.00 80.00 330.00 79.81 292.00 79.57 230.00 79.05 DSManotick 14400 406.00 80.14 364.00 79.94 330.00 79.76 292.00 79.52 230.00 79.00 DSManotick 14305 406.00 80.15 364.00 79.96 330.00 79.77 292.00 79.53 230.00 79.01 DSManotick 14210 406.00 80.11 364.00 79.92 330.00 79.74 292.00 79.50 230.00 78.97 DSManotick 14060 406.00 79.96 364.00 79.78 330.00 79.60 292.00 79.37 230.00 78.86 DSManotick 13920 406.00 80.01 364.00 79.83 330.00 79.65 292.00 79.41 230.00 78.89 DSManotick 13730 563.56 79.99 517.39 79.81 476.08 79.63 422.43 79.39 318.38 78.88 DSManotick 13465 563.56 79.94 517.39 79.76 476.08 79.58 422.43 79.35 318.38 78.84 DSManotick 13255 563.56 79.92 517.39 79.74 476.08 79.56 422.43 79.33 318.38 78.82 DSManotick 13045 563.56 79.71 517.39 79.54 476.08 79.38 422.43 79.17 318.38 78.69 DSManotick 12855 563.56 79.71 517.39 79.54 476.08 79.37 422.43 79.16 318.38 78.68 River DSManotick 12685 563.56 79.55 517.39 79.39 476.08 79.23 422.43 79.03 318.38 78.57 DSManotick 12646 Strandherd Drive Rideau DSManotick 12610 563.56 79.26 517.39 79.11 476.08 78.98 422.43 78.79 318.38 78.37 DSManotick 12510 563.56 79.23 517.39 79.09 476.08 78.95 422.43 78.76 318.38 78.35 DSManotick 12315 563.56 79.23 517.39 79.08 476.08 78.94 422.43 78.75 318.38 78.34 DSManotick 12100 563.56 79.20 517.39 79.05 476.08 78.91 422.43 78.72 318.38 78.32 DSManotick 11795 563.56 79.17 517.39 79.03 476.08 78.89 422.43 78.70 318.38 78.31 DSManotick 11480 563.56 79.14 517.39 78.99 476.08 78.86 422.43 78.67 318.38 78.29 DSManotick 11215 563.56 79.11 517.39 78.97 476.08 78.84 422.43 78.66 318.38 78.28 DSManotick 10895 563.56 79.09 517.39 78.95 476.08 78.81 422.43 78.64 318.38 78.26 DSManotick 10575 563.56 79.06 517.39 78.92 476.08 78.79 422.43 78.62 318.38 78.25 DSManotick 10365 563.56 79.05 517.39 78.91 476.08 78.78 422.43 78.60 318.38 78.24 DSManotick 10105 563.56 79.03 517.39 78.89 476.08 78.76 422.43 78.59 318.38 78.23 DSManotick 10055 563.56 79.01 517.39 78.87 476.08 78.75 422.43 78.58 318.38 78.21 DSManotick 9955 563.56 79.00 517.39 78.87 476.08 78.74 422.43 78.57 318.38 78.21 DSManotick 9860 563.56 78.99 517.39 78.86 476.08 78.73 422.43 78.56 318.38 78.20 DSManotick 9665 563.56 78.99 517.39 78.85 476.08 78.73 422.43 78.56 318.38 78.20 DSManotick 9410 563.56 78.94 517.39 78.82 476.08 78.70 422.43 78.53 318.38 78.18 DSManotick 9200 563.56 78.92 517.39 78.80 476.08 78.68 422.43 78.52 318.38 78.17 DSManotick 8960 563.56 78.90 517.39 78.77 476.08 78.66 422.43 78.50 318.38 78.16 DSManotick 8840 563.56 78.87 517.39 78.74 476.08 78.63 422.43 78.47 318.38 78.14 DSManotick 8590 563.56 78.84 517.39 78.72 476.08 78.60 422.43 78.45 318.38 78.11 DSManotick 8400 563.56 78.84 517.39 78.72 476.08 78.61 422.43 78.45 318.38 78.12 Xsec ID Flow (m³/s) and Computed WSEL (m) for Different Flood Events River Reach # Q50 WL50 Q20 WL20 Q10 WL10 Q5 WL5 Q2 WL2 DSManotick 8325 563.56 78.83 517.39 78.71 476.08 78.60 422.43 78.44 318.38 78.11 DSManotick 8245 563.56 78.82 517.39 78.70 476.08 78.59 422.43 78.43 318.38 78.11 DSManotick 8060 563.56 78.81 517.39 78.68 476.08 78.57 422.43 78.42 318.38 78.09 DSManotick 7915 563.56 78.78 517.39 78.66 476.08 78.55 422.43 78.40 318.38 78.08 DSManotick 7725 563.56 78.77 517.39 78.65 476.08 78.54 422.43 78.39 318.38 78.08 DSManotick 7500 563.56 78.70 517.39 78.58 476.08 78.48 422.43 78.34 318.38 78.04 DSManotick 7260 563.56 78.58 517.39 78.48 476.08 78.39 422.43 78.26 318.38 77.98 DSManotick 6955 563.56 78.53 517.39 78.43 476.08 78.34 422.43 78.22 318.38 77.95 DSManotick 6755 563.56 78.51 517.39 78.41 476.08 78.32 422.43 78.20 318.38 77.94 DSManotick 6680 563.56 78.50 517.39 78.40 476.08 78.31 422.43 78.19 318.38 77.93 DSManotick 6646 Black Rapids Dam DSManotick 6615 607.76 77.03 562.77 76.84 520.06 76.66 466.75 76.43 362.77 75.93 DSManotick 6560 607.76 77.03 562.77 76.84 520.06 76.66 466.75 76.43 362.77 75.93 DSManotick 6430 607.76 77.04 562.77 76.85 520.06 76.67 466.75 76.43 362.77 75.94 DSManotick 6210 607.76 77.03 562.77 76.84 520.06 76.66 466.75 76.42 362.77 75.93 DSManotick 5940 607.76 76.98 562.77 76.79 520.06 76.62 466.75 76.39 362.77 75.90 DSManotick 5560 607.76 76.92 562.77 76.75 520.06 76.57 466.75 76.34 362.77 75.87 DSManotick 5205 607.76 76.89 562.77 76.72 520.06 76.54 466.75 76.32 362.77 75.85 DSManotick 5100 607.76 76.89 562.77 76.71 520.06 76.54 466.75 76.31 362.77 75.84 DSManotick 5087 Hunt Club Road DSManotick 5075 607.76 76.89 562.77 76.71 520.06 76.54 466.75 76.31 362.77 75.84 DSManotick 4980 607.76 76.88 562.77 76.70 520.06 76.53 466.75 76.31 362.77 75.84 River DSManotick 4810 607.76 76.84 562.77 76.66 520.06 76.49 466.75 76.27 362.77 75.81 DSManotick 4555 607.76 76.83 562.77 76.66 520.06 76.49 466.75 76.27 362.77 75.81 Rideau DSManotick 4320 607.76 76.83 562.77 76.66 520.06 76.49 466.75 76.27 362.77 75.80 DSManotick 4015 607.76 76.77 562.77 76.60 520.06 76.44 466.75 76.22 362.77 75.77 DSManotick 3750 607.76 76.54 562.77 76.38 520.06 76.23 466.75 76.03 362.77 75.62 DSManotick 3640 607.76 76.50 562.77 76.34 520.06 76.19 466.75 75.99 362.77 75.58 DSManotick 3635 Via Rail Bridge DSManotick 3630 607.76 76.49 562.77 76.33 520.06 76.18 466.75 75.98 362.77 75.57 DSManotick 3535 607.76 76.43 562.77 76.27 520.06 76.12 466.75 75.93 362.77 75.53 DSManotick 3335 607.76 76.38 562.77 76.23 520.06 76.08 466.75 75.88 362.77 75.48 DSManotick 3065 607.76 76.35 562.77 76.19 520.06 76.04 466.75 75.85 362.77 75.45 DSManotick 2780 607.76 76.24 562.77 76.09 520.06 75.94 466.75 75.75 362.77 75.36 DSManotick 2440 607.76 76.20 562.77 76.05 520.06 75.91 466.75 75.72 362.77 75.33 DSManotick 2290 607.76 76.12 562.77 75.98 520.06 75.84 466.75 75.65 362.77 75.28 DSManotick 2085 607.76 75.93 562.77 75.79 520.06 75.65 466.75 75.48 362.77 75.12 DSManotick 1950 607.76 75.71 562.77 75.57 520.06 75.44 466.75 75.27 362.77 74.93 DSManotick 1815 607.76 75.42 562.77 75.27 520.06 75.13 466.75 74.95 362.77 74.59 DSManotick 1690 607.76 75.13 562.77 74.97 520.06 74.81 466.75 74.59 362.77 74.16 DSManotick 1545 607.76 75.01 562.77 74.84 520.06 74.68 466.75 74.46 362.77 74.00 DSManotick 1415 607.76 75.05 562.77 74.88 520.06 74.71 466.75 74.49 362.77 74.03 DSManotick 1285 607.76 75.07 562.77 74.90 520.06 74.72 466.75 74.50 362.77 74.04 DSManotick 1150 607.76 75.07 562.77 74.90 520.06 74.72 466.75 74.50 362.77 74.04 DSManotick 825 607.76 75.06 562.77 74.89 520.06 74.72 466.75 74.50 362.77 74.03 Xsec ID Flow (m³/s) and Computed WSEL (m) for Different Flood Events River Reach # Q50 WL50 Q20 WL20 Q10 WL10 Q5 WL5 Q2 WL2 DSManotick 510 607.76 75.05 562.77 74.88 520.06 74.72 466.75 74.49 362.77 74.03 DSManotick 380 607.76 75.04 562.77 74.87 520.06 74.70 466.75 74.48 362.77 74.02 DSManotick 200 607.76 75.04 562.77 74.87 520.06 74.70 466.75 74.48 362.77 74.02 DSManotick 105 607.76 74.86 562.77 74.71 520.06 74.55 466.75 74.35 362.77 73.91 River
DSManotick 50 607.76 73.62 562.77 73.51 520.06 73.40 466.75 73.26 362.77 72.94 DSManotick 0 617.00 73.43 572.00 73.29 529.00 73.15 475.00 72.98 369.00 72.61
Rideau DSManotick ‐12 617.00 73.39 572.00 73.25 529.00 73.11 475.00 72.93 369.00 72.55 DSManotick ‐23 Hogs Back Dam DSManotick ‐33 617.00 73.10 572.00 72.91 529.00 72.73 475.00 72.50 369.00 72.00 DSManotick ‐74.7 617.00 71.18 572.00 71.03 529.00 70.88 475.00 70.69 369.00 70.30 Note: WSEL ‐ Water Surface Elevation Q50 ‐ Flow Rate for a 50 year flood event WL50 ‐ Water Surface Elevation for a 50 year flood event Q20 ‐ Flow Rate for a 20 year flood event WL20 ‐ Water Surface Elevation for a 20 year flood event Q10 ‐ Flow Rate for a 10 year flood event WL10 ‐ Water Surface Elevation for a 10 year flood event Q5 ‐ Flow Rate for a 5 year flood event WL5 ‐ Water Surface Elevation for a 5 year flood event Q2 ‐ Flow Rate for a 2 year flood event WL2 ‐ Water Surface Elevation for a 2 year flood event Table 13 Culvert Data from Field Checks and Drawings. Downstream Upstream Upstream City of Ottawa Source of Culvert Invert Invert RFL Location Culvert ID Information (m) (m) (m) Rideau Valley Dr, south of Surveyed on 1 84.24 84.21 86.54 877110 Eastman Ave April 29, 2015 Surveyed on 2 85.02 85.07 86.44 Boucher Rd 878240 April 29, 2015 Rideau Valley Dr just south Surveyed on 3 85.04 85.54 86.44 878210 of Boucher Rd April 29, 2015 Rideau Valley Dr, south of Surveyed on 4 85.57 85.65 87.13 878180 Phelan Rd April 29, 2015 Rideau Valley Dr, north of Surveyed on 5 85.78 86.82 87.13 A871430 Upton Rd April 29, 2015 River Rd, north of Roger Surveyed on 6 84.47 84.61 87.19 Stevens Dr 887030 April 29, 2015 (Culvert 1 of 2) River Rd, north of Roger Surveyed on 7 84.96 85.16 87.19 Stevens Dr 887030 April 29, 2015 (Culvert 2 of 2) River Rd, just north of Surveyed on 8 85.16 84.68 86.91 888040 St.Brigid Cemetery April 29, 2015 River Rd, south of Kilby Surveyed on 9 84.80 85.31 86.86 888290 Lane April 29, 2015 River Rd just south of Kilby Surveyed on 10 84.29 84.38 86.7 888010 Lane April 29, 2015 River Rd just north of Surveyed on 11 77.27 77.38 79.19 220200 Mulligan St April 29, 2015 River Rd, south of Surveyed on 12 77.08 77.34 78.93 220290 Balmoral Dr April 29, 2015 River Rd, south of Surveyed on 13 76.13 77.16 78.93 220210 Balmoral Dr April 29, 2015 Prince of Wales Dr, south Surveyed on 14 73.78 74.08 76.5 117640 of Fisher Ave April 29, 2015 Rideau Valley Drive, south 15 85.04 85.34 87.22 878110 Drawings of Upton Rd River Rd, south of Mitch 16 84.50 84.50 86.06 888270 Drawings Owens Rd Mitch Owens Rd, east of 17 85.11 85.26 86.06 228270 Drawings River Rd Leitrim Rd just east of 18 76.20 76.20 79.19 227010 Drawings River Rd Mulligan St just west of 19 76.83 76.95 79.19 220190 Drawings River Rd River Rd just south of 20 76.00 76.00 79.19 227020 Drawings Mulligan St Rideau Valley Dr, north of 21 80.77 80.77 83.29 117810 Drawings Bankfield Rd Surveyed on 22 85.60 85.66 Rideau Narrows Rd L876310 June 5, 2015 Surveyed on 23 86.02 86.17 87.22 Phelan Rd 878490 June 5, 2015 Surveyed on 24 86.78 86.70 87.13 Clingin Lane L873850 June 5, 2015 Surveyed on 25 86.72 N/A 87.13 Aston Rd at Clingin Lane L873890 June 5, 2015 Surveyed on 26 85.64 85.77 87.14 Aston Rd near Upton Rd L873870 June 5, 2015 Surveyed on 27 86.13 86.26 87.15 Upton Rd L874220 June 5, 2015 Surveyed on 28 86.52 86.65 87.22 Marina Rd 874030 June 5, 2015 Roger Stevens east of Surveyed on 29 85.59 85.83 87.22 A872360 Rideau Valley Dr June 5, 2015 Nixon Rd just south of Surveyed on 30 86.45 86.40 87.19 A881100 Snake Island Rd June 5, 2015 Surveyed on 31 86.17 86.12 87.19 Nixon Rd 881098 June 5, 2015 Surveyed on 32 86.32 86.28 87.19 Nixon Rd north of Cabin Rd A881096 June 5, 2015 Nixon Rd just south of Surveyed on 33 86.06 86.18 87.19 A881095 Cabin Rd June 5, 2015 Cabin Rd east of Nixon, Surveyed on 34 86.01 85.99 87.19 880050 (culvert west) June 5, 2015 Cabin Rd east of Nixon Surveyed on 35 86.01 85.87 87.19 880050 (culvert east) June 5, 2015 River Rd south of Surveyed on 36 85.92 85.60 87.09 888060 Flagstation Rd June 10, 2015 Surveyed on 37 86.53 86.54 87.12 Summerside Dr L881035 June 10, 2015 Surveyed on 38 86.11 86.08 87.14 Cedar Dr L884800 June 10, 2015 Osgoode Trail north of Surveyed on 39 86.25 86.15 87.27 888305 Cabin Rd June 10, 2015 Cabin Rd east of Osgoode Surveyed on 40 86.53 86.48 87.27 887550 Trail June 10, 2015 Snake Island Rd East of Surveyed on 41 84.49 84.61 87.27 Nixon Rd 887540 June 10, 2015 (Culvert 1 of 2) Snake Island Rd East of Surveyed on 42 84.25 84.44 87.27 Nixon Rd 887540 June 10, 2015 (Culvert 2 of 2) Snake Island Rd west of Surveyed on 43 86.12 86.05 87.27 888530 Osgoode Trail June 10, 2015 Osgoode Trail south of Surveyed on 44 85.23 85.31 87.27 Snake Island Rd 885020 June 10, 2015 (Culvert 1 of 2) Osgoode Trail south of Surveyed on 45 85.37 85.37 87.27 Snake Island Rd 885020 June 10, 2015 (Culvert 2 of 2) Snake Island Rd east of Surveyed on 46 86.58 86.69 87.27 Osgoode Trail 888515 June 10, 2015 (Culvert 1 of 2) Snake Island Rd east of Surveyed on 47 86.90 86.72 87.27 Osgoode Trail 888515 June 10, 2015 (Culvert 2 of 2) Surveyed on 48 76.99 77.16 79.3 Winding Way 118900 June 10, 2015 Surveyed on 49 78.13 87.22 79.3 Waterbridge Dr L112370 June 10, 2015 Prince of Wales north of Surveyed on 50 77.51 78.90 79.14 117600 Crewstway Dr June 10, 2015 Note: Culverts that are highlighted orange had poor site access and/or poor measuring coditions; therefore the invert values are only approximations. Table 14 List of RVCA Regulation Permit Files Flood Line Closest HEC‐ RVCA File # Location Year Change Brief Description RAS cross‐ Drawing Number Required? section RV3‐0912 2446 RIVER RD 2012 No FILL FOR REPLACEMENT SEPTIC SYSTEM REMOVE OLD SEPTIC BED & INSTALL A 54 RV3‐2412 2314 SUMMERSIDE DR 2012 No METRES SQ AREA BED AND A CLEARSTREAM TREATMENT UNIT REMOVE FILL FROM FLOODPLAIN AND RV3‐3612 6619 MARINA DR 2012 No CONSTRUCT STONE WALL Paterson Group PROPOSED RIP‐RAP PROTECTION STRIP FOR 87 Winding Way RV3‐4311 87 WINDING WAY 2011 Yes EROSION PROTECTION AND INSTALLATION 10575 Shoreline Stabilization Plan, PH1575‐ OF A FLOATING DOCK 2 06/2011 RV3‐6212 880 RIVER RD 2012 No INSTALLATION OF GAS MAIN RV3‐0914 2196 RIVER RD 2014 No SHORELINE EROSION PROTECTION RV3‐1413 2678 RIVER RD 2013 No CONSTRUCT INGROUND POOL Paterson Group 6475 Marna Drive TO INSTALL A REPLACEMENT CLASS 4 RV3‐2413 6475 MARINA DR 2013 Yes 26545 Sewage System Layout Plan, SEWAGE SYSTEM PH2245‐1/PH2245‐2 04/2013 RV3‐2414 2096 WATERFRONT CRT 2014 No TO BUILD A SWIMMING POOL 36' BY 18' VIOLATION‐FOUNDATION ESCAVATION, RV3‐3413 48 RYEBURN 2013 No SLOPE WORK, SHORELINE WORK RV3‐3514 1318 RIVER RD 2014 No RIP‐RAP BANK PROTECTION
RV3‐4713 5614 SOUTH RIVER DR 2013 No TO INSTALL A REPLACEMENT SEPTIC SYSTEM INSTALL AN INGROUND SWIMMING POOL 10 RV3‐5214 5446 EDGEWATER DRIVE 2014 No X 20 Kollaard Associates 6575 Lewis Way RV3‐5513 6571 LEWIS WAY 2013 Yes REPLACE SEPTIC SYSTEM 28435 Proposed Septic Design, 130426 Jul 23, 2013 STAMPED PLAN FOR SEPTIC SYSTEM RV3‐6114 5042 MOWATVIEW CRT 2014 No REPLACEMENT Green Valley Environmental 16 Lodge Road RV3‐6913 16 LODGE RD 2013 Yes REPLACE SEPTIC SYSTEM 13730 On‐site Sewage Treatment Plan, SP33‐13/PG 22/10/13 RV3‐7213 5563 SOUTH ISLAND PARK DR 2013 No FILL FOR SEPTIC
PROPOSED RIP RAP PROTECTION STRIP TO BE RV3‐7313 87 WINDING WAY 2013 No INSTALLED ALONG THE SHORELINE INSTALL RIP‐RAP AND REPLACE UPLAND RV3‐7314 5627 SOUTH ISLAND PARK DR 2014 No RAILROAD TIE RETAINING WALL WITH ARMOUR STONE WALL TEAR DOWN EXISTING COTTAGE AND RV3‐0609 2384 PINE AVE 2009 No REBUILD NEW HOUSE ‐ REVISION RECEIVED
Kollaard Associates TO BUILD AN INGROUND POOL WITHIN THE 25 Wind Way RV3‐0808 25 WINDING WAY 2008 Yes 10365 FLOODPLAIN As‐Built Grading Plan, 100988‐1 Nov 9, 2010
RV3‐0907 6071 JAMES BELL DR 2007 No CONSTRUCT NEW DWELLING FILL FOR TERTIARY SEPTIC SYSTEM ‐ FILL RV3‐0908 1760 A RIVER RD 2008 No REQUIRED: 174.6 METRES CUBED TO INSTALL A SEWAGE DISPOSAL SYSTEM RV3‐1008 15 WINDING WAY 2008 No (CLASS 4) REMOVE AND REPAIR ROAD SURFACE AND RV3‐1107 6066 JAMES BELL DR 2007 No REPLACE WITH PROPER GRAVEL AND STONE DUST RV3‐1306 12 RYEBURN DR 2006 No FILL FOR SEPTIC SYSTEM ALTER THE EXISTING COTTAGE TO A RV3‐2207 2174 KELWING LN 2007 No PERMANENT RESIDENCE RV3‐2707 2490 G RIVER RD 2007 No DIG FOR LAP POOL WITH LANDSCAPING Note: Files highlighted yellow were used in the adjustment of floodlines. 7 1 H 4 IGH Y D WAY A Study Limit A 417 W C O R A H L Y G Y E I I F L R D K A H I L P S A N E W O H D A R E E V T D R R E A P O S N A A R D O E U V R C A IN E O O N L E K R E N N S W IM R A U R R B T A IT O S E Y O E E L A W Y E D IV DR R S O ND A LA D W D DO A EA D RO M OA B R U B CL LU T C N T HU UN H R T I ES V W E R S D I A D O E A R L IM D R B T R I I LE I O V N E
R M O E A R D I V B A A L E N K R
O S T A R D E E T
W
O
O
D R E O V
I F F R
E D
A S V E E L N A U
W
E
F
O
E L C I M
N
I E
R B
P A N JO ONTARIO K C K R VA LE O RO A D AD D A RO S EN W O CH J IT OC M KV AL E RO A S D T A G E C O A C H
R O T
R A D A
I M L A
R N O O T
A IC
D K D M OA A R IN D S L T IE R KF E Figure 1: Study Area N E BA T
H I D G OA H R E W D IV N R A LA D Y IS Y E PH 4 K O 1 NA BR 6 S R I V E R
R O A D Map Scale: 1:100,000
H T Projection Note: NAD 1983 UTM Zone 18N R ²
H O I File Path: G N \\RVCASTORAGE1\rvcahydrology\M800_City\Rideau_HBtoKars_M800_200_020_204\Rideau23 H E Report\Maps\Figure 1 Study Area.mxd W V A I Y R 4 Created by: SNolan Date Modified: 5/29/2015 3:53:07 D 1 6 Y
E Base-mapping and GIS services provided courtesy of the Rideau Valley L Conservation Authority, under License with the Ontario Ministry of L
A Natural Resources © Queen's Printer for Ontario, 2013.
V
4 U These maps are the property of the RVCA, and the RVCA holds a copyright T A H on them. These maps may be copied or reproduced by other parties provided E that the RVCA is properly acknowledged as the original source of the L D IN I information in any doTcument, report or map in which this mapping is used, E E R E IV and provided that Eno fee is charged (other than to cover handling charges). R R TR O D While RVCA Smakes every effort to ensure that the information presented is S Study Limit N A EN sufficienAtlyI accurate for the intended uses of the map, there is an inherent D V M TE marEg in of error in all mapping products, and the RVCA cannot guarantee the S acDcuracy of the mapping for all possible uses. All end-users of the ER OO 0 1 2 4 O6G 8 10 SG information contained herein must therefore determine for themselves if the R Kms O information is of suitable accuracy for their purposes. B M 7 O I 1 L 4 U T O Y Rideau River at Ottawa N A RU D N D SS A W A EL R H O Q500= L6 91.00 R R RO O G A Y I E D A IN A H L N R D P E Q350= 680.00 I S D O N 7 A 1 B E A E 4 Q200= R 667.00 D C Y A S R W O E H Q100= 644.00 S IG N H T R
R Q50= 61O 7.00 HIG O A HW AY 41 A Q20= 572D .00 7 H D IG HWA R Y 417 I V Q10= 529.00 E AD R Q5= 475.00 RO S INE D I EV OA D A D R E Q2= 369.00 Jock River B N LU D D C M D T A E N R Q500= 154.0U0 E O R H G I R A T R V S M S E R W I L I E O W V R Q350= 154.00 E O IT B A N E E I O L O L C N R D E L N B Below Jock River Q200= 153E .00 I O
D R M A R R D A B A O E N O O O A D B O F Q500= 657.69 Q100= 153.00 K A A R U F A R D V D N R E N I D O D QM 50= 151.0E 0 A K Q350= 640.69 N W A V A O R R O D E 8 O O Q20= 147.00R N Q200= 622.65 T Y M D O A H U R H I D E A E L O C Q100= 594.65 I I Q10 = 140.00 D D N A
R R E D
I D Q50= 563.56 R Q5= V 125.00 L E O East Branch O Q20= 517.39 A Q2= 84.70 D Around Manotick AD Q10= 476.08 RO Q500= 233.71 D Q5= 422.43 EL FI Q350= 225.29 W LO Q2= 318.38 L D T FA A Q200= 216.94 E O S E R R S T T G N A S Q100= 203.34 R E G IA W R E O E O H T G C Q50= 1IC89.16 C O IT O V M I A R TRA M C Q20= 168.27 E IL H ROA A R D N O R Q10= 150.38 O M T O A O IC A D K O AD M D Q5= 133.01 Rideau River Below MD anotick O A E R I D IN A E L West Branch IE S G D F T Q500= 497.00 K R L R N E Around ManotiDck E A A I B E O S Q350= 480.00 V T R O E Q500= 23N9D .92 N LA Q200= 463.00 IS D R A T R E O O Q35K0= 232.61 E B I A R E E V E R A Q100= 435.00 IV SN A L E T D R N IL S D R Q200= 225.08 V Y K L E H H P R V T M Q50= 406.0P0 S R R O R O A C R Q100= 212.70 T M E B I A P B N R E D Q20= 364.00 E A C N E Q50= 199.75 E S T T Q10= 330.00 O R F Q20= 181.21 E T W EQ5= 292.00 ES T W A Q10= 166.95 AD L Q2= 230O.00 E Y R S Q5= 148.28 R D D A TU T O EN R E R C I E Y V R T EN E S N LM Kars AI A M D DE Q500= 460.45 OO R SG Q350= 445.42 I D O E 3 A Q200= 430.18 1 U AD O Above Kemptville Creek V R A Q100= 405.32 TY L UN L O Q500= 284.84 E Q50= 379.23 C Y E V D C QI350= 274.58 D O R R A Q20= 341.25 D I O U V R N S Q200= 263.24 E Y N 4 N Q10= 310.13 T E T E V H S M Y L E L O A R T Q100= 246.26 I D Q5= 275.21 S N U O R E T A E Q50= 228.29 R H Q2= 217.30 D G O D O A C 3 R A O 1 Q20= 203.33 D R O E TH U IV R N R O D Q10= 184.09 W T IL Y S D Burritts RapiNds R E V Q5= 164.83 O E A Q500= 24T3.76 S D Below Kemptville Creek
R Q2= 136.54 1 E Q350=G 234.98 O Q500= 380.50 R Q200= 226.59 Q350= 369.59 Q100= 213.21 Q200= 358.03
Q50= 198.64 Q100= 339.76 C O C U Q20= 178.26 O Q50= 319.84 N U T N Y Q10= 162.20 T Q20= 290.46 R Y 6 O C 1 Q5= 146.08 O R A 4 Q10= 265.60 D U O
E N A Y 3 Q2= 121.61 A V T D I Y Q5= 237.38 R W D R 1 H LY O 9 G Q2= 188.58 L A I E D N H 24 N 4 D O 4 A D RO D TY W UN Y O E C R H IL L Kemptville Creek Near Kemptville R O C A Q500= 88.60 O 3 D U D Figure 2 RidNeau River DOeAsign Flows Q350= 88.00 T R S Y TY O R N 8 U U C Q200= 87.80 O O 1 T C O H A C D C U D O A G O
N Q100= 86.60 1 U U O T O Legend N N R Y W T T Y R Q50= 84.80 E Y Y T 3 O R R D R N A OA O U DQ20= 80.70 D R O A O H R FloTYw Transposition LocatioA ns D 4 I N D H 3 C I D G 4 V A U 4 2 O E E O D 5 HQ10= 75.50 R C 1 R A 6 O W D GH I R A T A D U Y QY 5= 67.20 A O A A B T O R A G 8 L N 1 4 R IL U 1 R D E O D Q2= 48.20S E C 6 IN T A D K A O P L R R M S Y O I V T T
E N U O 0 1 2 3 C 4 5 Kms Figure 3 Estimated Rideau River Design Flows
800.00
700.00
600.00
500.00 Rideau River at Kars East Branch Around Manotick (m³/s)
400.00 West Branch Around Manotick
Flow Upstream of the Jock River 300.00 Downstream of the Jock River Rideau River at Ottawa 200.00
100.00
0.00 1 10 100 1000 Return Period (Years) Sources: Esri, HERE, DeLorme, TomTom, Intermap, increment P Corp., GEBCO, 0 38 USGS, FAO, NPS, NRCAN, GeoBase, IGN, Kadaster NL, Ordnance Survey, Esri 5 82 Japan, METI, Esri China (Hong Kong), swisstopo, MapmyIndia, © OpenStreetMap 1150 contributors, and the GIS User Community 1285
15 45
24 40
5 333
3750
4015 4320
5100
5 560
10 62 60 65
7260
7725 0 806 8245
84 00
9410
9955
5 89 10
1 12 15
0 10 12
12315
126 12 10 85 5
13465 1 3730
0
7
5
5
1 0 3 0 6 1
77 16515 161
0 Figure 4: HEC-RAS Schematic 4 17170 0 0 2 7 77 1 5 1 7 5 3 3 7 1 1 5 8 5 8 1 9 7 6 7 8 1 1
19180
0 3 5 5 71 9 19 1 Legend 20200
0 89 HEC-RAS Cross-Section 20 5 27 21
0 35 22 0 84 22 0 13 23
5 2361
5 16 24 1:100,000 25300 Projection Note: NAD 1983 UTM Zone 18N ² File Path: 0 06 26
0 3 8 Date Modified: 10/30/2015 8:57:24 6 Created by: SNolan 2
60 Base-mapping and GIS services provided courtesy of the Rideau Valley 271 Conservation Authority, under License with the Ontario Ministry of Natural Resources © Queen's Printer for Ontario, 2013. 27540 These maps are the property of the RVCA, and the RVCA holds a copyright on them. These maps may be copied or reproduced by other parties provided 2 80 that the RVCA is properly acknowledged as the original source of the 75 information in any document, report or map in which this mapping is used, 2 84 35 and provided that no fee is charged (other than to cover handling charges). While RVCA makes every effort to ensure that the information presented is sufficiently accurate for the intended uses of the map, there is an inherent 0 0.5 1 2 3 4 5 margin of error in all mapping products, and the RVCA cannot guarantee the accuracy of the mapping for all possible uses. All end-users of the information contained herein must therefore determine for themselves if the Kms information is of suitable accuracy for their purposes. Figure 5 Calibration of the HEC‐RAS Model to the Rideau River Below Manotick (02LA012) Stream Gauge Rating Curve. Rideau River at Manotick ‐ 02LA012 83
82.5
82
81.5 (m)
81
Level 80.5 02LA012 Rating Curve 80 Dillon 1989 HEC‐2 Model Water 79.5 RVCA 2015 HEC‐RAS XS‐15350 79
78.5
78 0 100 200 300 400 500 600 700 800 Flow (m³/s) Figure 6 Difference Between Observed and Computed Water Levels for the Hogs Back to Kars to Reach. 30
20 Bridge St West Doyle Creek
10 Hogs Back Kelly's Landing Uppersill Black Rapids Dam Lowersill Black Rapids Dam
0
Water Level Difference (cm) WL Difference (April 4, 2015) ‐10
WL Difference (April 11, 2014)
WL Difference (April 6, 1999)
‐20 Hunt Club Bridge WL Difference (April 5, 1982) Manotick Gauge WL Difference (February 24, 1981)
‐30 0 5000 10000 15000 20000 25000 30000 Station (m) Figure 7A Sensitivity Analysis of Computed Water Level to Design Flow for the Hogs Back to Kars Reach Excluding the East Branch Around Long Island. 90
Hog's
85 Dam Bridge
Rd Limit at
Bridge
Rapids
Dam
Rail Study
Black VIA Hunt Club Back D/S
80 (m)
Elevation 75 Surface
Water
70 Roger Stevens Dam
Bridge
Island Bridge
Bridge
at Gauge
Mill
Dr
Long
Limit
Bridge St Stream
65 U/S of Study Manotick
Bridge Barnsdale Rd
Strandherd Dr U/S Manotick
60 0 5000 10000 15000 20000 25000 30000 Main Channel Distance (m)
Ground 100 W.S. W.S. +5% W.S. +10% W.S. +20% W.S. ‐5% W.S. ‐10% W.S. ‐20% Figure 7B Sensitivity Analysis of Computed Water Level to Design Flow for the Hogs Back to Kars Reach Excluding the West Branch Around Long Island.
90
Hog's
Dam Bridge
85 Rd Limit at
Bridge
Rapids
Dam Rail
Study
Black VIA Hunt Club Back D/S
80 (m)
Elevation 75 Surface
Water
70 Roger Stevens
Bridge
Island
at Gauge
Dam
Long
Limit Bridge
Island Bridge St Stream
Dr
U/S of Study
Long
65 Bridge
Dr U/S Manotick Strandherd
60 0 5000 10000 15000 20000 25000 30000 Main Channel Distance (m)
Ground 100 W.S. W.S. +5% W.S. +10% W.S. +20% W.S. ‐5% W.S. ‐10% W.S. ‐20% Figure 8A Sensitivity Analysis of Computed Water Level to Design Flow (Water Level Difference) for the Hogs Back to Kars Reach Excluding the East Branch Around Long Island. 1
0.8
0.6
0.4 (m)
0.2 Difference
0 Elevation
Surface ‐0.2 Water
‐0.4
‐0.6
at
Dr
Dam Bridge Bridge
Dam Island Bridge
Rd Dr
Limit
Mill
Dam
Gauge Limit at
Bridge
‐0.8 Long
Rapids
Back
Study Rail
Study Bridge St
Manotick Stream Bridge Hunt Club Barnsdale Rd U/S of Bridge Roger Stevens U/S Manotick Black VIA D/S Hog's Strandherd ‐1 0 5000 10000 15000 20000 25000 30000 Main Channel Distance (m)
5% 10% 20% ‐5% ‐10% ‐20% Figure 8B Sensitivity Analysis of Computed Water Level to Design Flow (Water Level Difference) for the Hogs Back to Kars Reach Excluding the West Branch Around Long Island. 1
0.8
0.6
0.4 (m)
0.2 Difference
0 Elevation
Surface ‐0.2 Water
‐0.4
‐0.6 at
Dr
Bridge
Island Dam
Limit Dr Bridge Dam
Rd
Dam
Limit at Bridge
Long ‐0.8 Gauge
Study Rapids
Island Back
Rail
Study
Bridge St Roger Stevens Bridge U/S U/S of VIA Bridge Hunt Club Manotick Stream Long Black D/S Hog's Strandherd ‐1 0 5000 10000 15000 20000 25000 30000 Main Channel Distance (m)
5% 10% 20% ‐5% ‐10% ‐20% G L S L J A ANFORD AVE E A E Rideau River S M X N E t H P B I Rideau River (rivière Rideau) T H N N i O A R E L R A A G B V R Y E V E I E E Flood Plain Mapping D T S R O m G E V A G O S A V O M i O E N E C A C E N O D IN E N R N R P L M L F K A W S L V O E R L Hog's Back to Kars R T U O L Y A T M A R D B B y D L B Y N E E I L S E C V 7 m S C V V E O 50 74.7 N R S A A D d T R V O E O Y L A N Index:1
E E A E L I M E I R L E V R D u R W R H R N E R
R V R E m AVE R R V R M A ER E G A T t N C U
GAR L A U D
Y
C N H E U 5 L S I L O B C IN I 1 A D N T G L C . E T R E L A R N D S Y N E N E M 5 R D O U Dunrobin V L A B E !( S R 7 N A R V A R V R E A D E B A B T R R 0 S P B D D R R E D S R
S R V A E L N R 0 T A E
S E 2 E A N A T R E V O S m N P E
E B B C K A F H
Y N M W N T E E 6 C N A Y V 1 R F IT N T E D L R . D K Carp Vars Y A U I S V R L S 5 O A !( !( L D U / S P A L A P O I D 7 L S P V L D A R T N B D T P R E O I M E N 0 R E E B T O B 8 O V K F D A S m I A H W E Y L E 3 N S A A K V N S V A W N 6 E R R A G N A O S O 1 T K I S N . R L L L V D 5 O T L A U Y A 7 S H L A E S E A E Greely T N N F T E N A M 0 V !( E T V E A O 1 N A A V S RT D S 5 D L O V A T R RE ID C O Manotick Metcalfe B Y T S C NCA O !( !( T D I N E E K A K L A R W LF D W V L P IA S E E R M R A D L D O G Richmond L L IL R T T E E !( H V N V S G E K O P P A A City of R Y T E R A P D A D A R L A R R P R P D Ashto!(n Y N A R AY U R R T YS B V Y B !( Ottawa Kars C H V NE E D N O R D !( I I E K O I L R M E K N m D E R E E N K L Munster North Gower !( L D D E Dwyer Hill !( 7 N Osgoode A M C A R E 1 !( S R O V . W R N S E 5 O A E S T M O T 7 E T D L C O T N A A E 5 M A L I F 2 R P E H D A L S 8 R I W C O Y T T 10 5 0 10 W M E L E S D km T E H U I N A R A V O L R Y N L O N C H Y I T R O S O I A E D A S T B R L R W C S T T E L O A S E R A N N D PARTH O I IA AVE V S H S R m E U S V S O O E D L F E 7 W B J N M R E T E L R 1 L N C . A A D A 5 A A BEA E Y 7 N A W VERTON AVE T D N V V S N K S A E A 0 C C E S M P 5 R R K 1 R S N R S E 1 T E HI O O R E G A A WOOD DR T N L D S V F D C S G I
E S O H N A S O O A 1285 75.18 m L H A O
E M C H R S B E R R R E D S L I R R P N I D N R E E O R T A D E R A E E D A C Rideau River Floodplain
C N H IG A A T R B C S E S R V R 14 N B E W T W G D D V U 1 O N R D N E C 1 5 T L R A C I A N E O 7 O W A E H 5 X K D M R L R R 5 .2 R U T M E U E R 2 B R S O E R H R W D 4 m D O E B V E D O S Waterbody C O H A T E D R D C A V D A 5 U S S R I P A A A S O 1 G O T A C A E S 1 E M K R B M E N 6 7 IN HM H N 8 5 T G S E R A 2 m 9 D U S E 1 A T . L R O T E V A 0 0 3 R E S T Roads N 5 V I 5 E A V 5 D I S 8 D F
Y R E E 5 0 7 m N R S V R . R D A E O D E U 7 D 2 5 D O E R R B R 6 N I S V D D O W O O 2 7 5 . A C A N E T O 9 7 6 S R N L Y Freeway A S . L N R M E D 6 E O IL A 8 R C I E P IV W R R 0 . m T S H N O C T E E IN B 4 A 1 O A T 0 R E C B Y IS V T K D O C T S 7 9 I C V
A 5 U R L O I R N m D O A 6 R O A R O Road S ILM N F . m 9 D B F C R E N O K O 3 1 R H D S D E O N S P E E R C A LI R m K V S N L C O A C T R I E 2 ST Rapid Transit E H 4 L K P AT T 4 E S A B V A G V 0 E P L Y P R M O A E R BY 7 V S A E O P A T F L 6 L RVCA Boundary P . R M H 3 D I G AP 4 M L A E A E V V m N W UL R A R K S O D H E M OU E U W A YM U O Q L X Evaluated Wetlands SE G W R M D A R I DR E m N G S 3 G S 6.4 R D Provincially Significant R N T 7 O 80 D D A E 7 S A AS 2 LD S R Z A O N SE OP E E D R T 4 LE S R C Other C T S R D K A R E D T W R AV E C E O A M L D N H Y H IL I E I Regulatory A H A B O S S M W CC R N O B T L AR I E R T Cross-Section Flood Level B T HY I D R RD D N E I m O T 5 S R O 6. R L S 7 V N D A N 65 I M E D S 30 E 2018 60.57 m R A D R T A A K R P N S P A D C A E V E A R D L R E P R B T T L L T C E W U S O Y N T D L H A A PV O A C T G L T O E T P N I R S AD ANN M N D N R A A L D P POL R W O E IS CIR U R C E R E H O V N T P R E R PI R D m T B E T A L R S D C 8 P LY L E T V 5 MI A R N P T 6. YFORD ST K W A V 7 TW FA E B U P P E D I A O O H 5 V S T 3 A W R N M R N 3 T I I 3 C U R C N M W E O RFL = 76.5 m U W Y A G P C E C O H M Y I A R M A m U X N V 9 O U D A U S 6 N F L N R E RD . L L D 6 S T I C E 7 E A C O AD R R H R N 5 C N A R C N 3 m E Y C R E O 5 I K E OL 3 5 P T S C 7 S C A WYM S N . E AN PL D 6 L L D R 7 IL U C G T R R E R B D S 0 m R D A C 4 C N T 6 3 O D N O E 3 .8 Y O D O 6 M W R C G L N P 7 B I R L L O C H 0 A S E L S E C 5 L L E K O A 7 N W I N 3 H L R C N C I U E Figure 9a R I O N R E S I R I T R D S T R E T A R D E A G V A S A R P E G 4E V E
0 T R N R A 1 C E S S D T 5 R A E D D E N M R R W R 7 T E C O 6 B H F O D D . T IN B 9 DR E R 3 O RT GI D R D D S S m W A A R T M NO N ONNADE E N A N COL H S A M O V E N L G W D E O I L C IL G E I L S H E T R E U D A R I E 4320 7 A D 6.9 D I 5 m R C R UB R N CL T E B T PV S H O UN P A ROYDON PL W H HO Y E IS L U S B E V LY T P G I IL T L L B C A R U 45 L U D 55 7 P N LD R 6.98 E R V FIE m D D D D R T T A OO R S W W D I I B S R U T D L A P P C V R T R V O N A m P P T U A V T R H R 1 H U P 0 L E T W D . G L L WO P 1:20,000 7 R B I LV Map Scale: E V ER K 7 E R IN N E E P Y 0 B O IV VT Projection note: R N E 1 D IT E U.T.M. Zone 18 - NAD 83 Datum V 8 D ² N D A E 4 m I D I E 4 E L R M M V .0 W T File Location: A 7 D V A Z:\GIS_Data\CA_Data\FPM\RVCA\RV3\MapSheets\R eport\Rideau_Hogs_Kars_1to20000 J 7 I P E EY 0 Y Y 8 S R TL 49 IWA I N R X V E m A G W H .04 E T A B UNT CLUB 075 77 Created by: P.G. 5 V L I RD F I E F 5 T R V O 2 P R 0 R 5 LL D C I Modified by: P.G. Date Modified: 27/07/2017 D AP 7 CG VT E 7 M P S LL .0 VT IL VD T A 5 P O BL Published by: Date Published: 27/07/2017 CR m N CR R T MO NE T LE AD PV S RE E B Base-mapping and GIS services provided courtesy of the Rideau Valley A IR D N ITF R Conservation Authority, under License with the Ontario Ministry of T DEA P R E A KIN S E C V S Natural Resources © Queen's Printer for Ontario, 2017. A R T 55 T L RD E 6 S E R A S 0 E O D G L T N D 7 These maps are the property of the RVCA, and the RVCA holds a copyright P O 7 L E BO R .0 on them. These maps may be copied or reproduced by other parties provided A ME AV 9 T CA SE m that the RVCA is properly acknowledged as the original source of the R RI A RP information in any document, report or map in which this mapping is used, E T D NT D PV and provided that no fee is charged (other than to cover handling charges). R E R N E CO RO While RVCA makes every effort to ensure that the information presented is AN N E T R RL V AIL V sufficiently accurate for the intended uses of the map, there is an inherent D A E AI P GA CF AV R T CH A margin of error in all mapping products, and the RVCA cannot guarantee the RI A DE P PV R L U M A VT Y A E accuracy of the mapping for all possible uses. All end-users of the A EN EV SE RT OM L RE R information contained herein must therefore determine for themselves if the PR 7.13 m D information is of suitable accuracy for their purposes. 5940 7
500 250 0 500 1,000 Meters 55 60 U 7 P DR VE 7 T VE A DR .0 L LO A D IGA 9 T A Rideau River E E R R V N M IS A U m P A R G A D C P N L P ER BO I A T S T G O U V Flood Plain Mapping N P D E R R L D C B N R R E CO E RO TER E N E S M N O L LE C N VA IT AI Hog's Back to Kars E O S I D R R R ID P R I V V W Y V U D E R T Y T VT K A S R E A IV V P P A Index:2 L E V V P H T L E E C N A E Y E AV A E E E R m R V C R R R L D V AVE 13 E R O T T R R R R A ZER D 7. S L A A D T A N A BLA 7 E P V R S A D F E E 940 I S R P D Dunrobin E R C M N 5 D D T E I N !( CA AT A A E V S R A O M O L R O S P R R P P O P E D C N E A O N H L E E R O A D F O C V R I A NV W C J T O M R D Y A IO P A E A E I H A R Carp Vars M D K V T !( !( N T / L R P L T E N D A V T O E T R E Y O T S A W m A V T W S W E 5 C P V R .1 E R C 7 K O P A O V C 7 E G Y E IL E R 0 R A V R N S IR 21 AR E 6 W A D H P S V C K Greely S S S !( G E T IR R S T F R A IG FI A P Manotick Metcalfe R T I T !( !( R B E V R VT D V E O A P P L E T R R T Richmond L R m I E !( A A S 6 S A M T D S E C 7.1 O City of I K E R D 7 I C O R L 30 D Ashto!(n P O C C E 64 !( D I E Ottawa Kars A BR N O F !( C E m Munster L O W 7 D Dwyer Hill North Gower !( G W E .1 !( !( Osgoode E E Y 7 m R M IN N 0 7 19 I P E 6 7. R D 65 7 I 15 A ES 66 m R M CR 8.6 D 10 5 0 10 D 7 Y R A OO 80 AR D km V RW 66 .61 m M N E BE 78 NO AM 6755 N D T LE R CR T T A R S E 69 E IN L 5 L S RV IN 5 A E GE ER R 78 T C .6 S L 5 NK L A E m PL NB F A UR N HE B E R TO Rideau River Floodplain R M G R ST O MS m BE DA 7260 78.75 R Waterbody A TS E R RD D EA Roads NL VO A Freeway 3 m DR 0 78.8 AL 750 OR LM Road BA Rapid Transit m H 8.87 IG 5 7 H 772 R RVCA Boundary D m Evaluated Wetlands 8.89 5 7 791 Provincially Significant B m O M 1 L W .9 I Other 8 M E E 7 S R 60 E V I 0 B V 8 IL A A L Regulatory N E L E K R Cross-Section Flood Level D R 78.92 m R D 8245 D A 2018 60.57 m S 8 H 8 325 78 D 40 .93 m A 0 L 7 E 8. 9 A 3 V m E RFL = 78.93 m D 8 R 590 RIM 78 IT .95 m LE D D R IEL WF LO AL F 8840 79 m
W O O 8960 79. D D 03 m Figure 9b R R
O R F E F V E I
R A V E 9200 79.05 m P A E
R V
A A D G AD R TE N O CKS N BE R A 94O 1 V B 0 79.07 m E L
O
H W W O O O O D D G R S A O E RFL = 79.19 m T F 9665 79. R E R 1 m D F N L E B C E I W IL M L L W A EA O A TH E L E R V EM Y D DR N B N E A N A IG A N L W L K U N M O 9860 S Map Scale: 1:20,000 E 79.1 R RL O 1 mH E D A D I Projection note: E R U P L A Q U.T.M. Zone 18 - NAD 83 Datum R E ² R 9955 79.12 m D Y K File Location: A S W H Z:\GIS_Data\CA_Data\FPM\RVCA\RV3\MapSheets\R eport\Rideau_Hogs_Kars_1to20000 O V E A L E I L Y T m Z A 4 N 9.1 Created by: P.G. E W 7 R 05 W F 101 A O R Y Modified by: P.G. Date Modified: 27/07/2017 S D E D C L S IE N GF Y R A I Published by: Date Published: 27/07/2017 Y A D R N ON A W H AY R W S D L D G P E A W T AN N A A m R T A I N S S G ST TA E M .17 I Base-mapping and GIS services provided courtesy of the Rideau Valley T H S 9 G E N A A S L U T B 7 L E P A E 5 R O R I Conservation Authority, under License with the Ontario Ministry of F A W W 6 M A ET FO M E D N 03 N 1 E A I Natural Resources © Queen's Printer for Ontario, 2017. D O W C R A N S D C C Y B I S R D O C H E E T A T A I W O B E L P N I These maps are the property of the RVCA, and the RVCA holds a copyright E D L D B N F T A L O E E G A H T Y R AY R LL D on them. These maps may be copied or reproduced by other parties provided R C IK m S F R I T DEIGHTON CRES W W 75 79.19 PL I C H N 105 E G E E A IN N that the RVCA is properly acknowledged as the original source of the L A L O D R R E Y D Y D R R L D E D T information in any document, report or map in which this mapping is used, R E V S R S DG A A R A M and provided that no fee is charged (other than to cover handling charges). I R N T V C T R R I D N M E B A A C R N LA D O R Y L E M A While RVCA makes every effort to ensure that the information presented is C Y M IT O R IR R O N D A C A E R I E SH V R LL S WA T R sufficiently accurate for the intended uses of the map, there is an inherent G R R D I I L W T N D Y L E CANYON O T K E T A MARBL N D A margin of error in all mapping products, and the RVCA cannot guarantee the O L L S E W R PR S E T O D S CR N ES R accuracy of the mapping for all possible uses. All end-users of the R O AU C D information contained herein must therefore determine for themselves if the E T D R RI S 10895 79.21 m information is of suitable accuracy for their purposes.
500 250 0 500 1,000 Meters m .17 79 VE 5 R R NET A 36 B D H D CORO 10 O AY AT L TW O Rideau River EW P E IN T N D I AVE F E TO E Y K TTA AL H G S R A OSE LS F D W IN R 9.19 m P RI DEIGHTON CRES N 10575 7 L IE Flood Plain Mapping D A D L L R YL D IE D L R A H E D VE E RS G O A M CABIN AV S E ID N S T V WLS T T R A E N A E B O Hog's Back to Kars A A G R O R R W L V C M R I C R M T O S D R W N E I I O L H A D V L N L L I L S L E ON I Index:3 I R S ANY O T H Y E C H O BL T R C D E MAR N O R A U T S E L S C D E D R R H H W C R Y C G R I E R S R I U U A R A O Dunrobin T D !( E E R N Y W H E Y ID O 108 A 9 B V O A 5 O C R A A S 79.21 m L V W N P E D T W L I R D N W E R N S E N S L O O F E N G O T R D Y I B S K A R W O M D N L C D S I O Carp W Vars B U !( / !( N E O D T A N E C F QUEENSBUR W L R Y DR N N M E D I A F F N A O T R S V A Y D E R W O I A L O U CR O R N R F G H D D P T 11 W Y R N T 2 A A A A 1 D L T W O L S K Greely K 5 R E !( R R D Y E S F A W R A IE R A 7 Y W E M T E A R Manotick R 9 A Metcalfe D F E IN C !( !( R A W D RB .2 L W K D N E R C 4 E NA ST N E Y ID R T Y E A R A I G BA m N Y T E R G A E POIN D Richmond G TE I N C RI AY V D D CRES WO E R R !( R N L LFE P E R W E H W VA OINT WA D O City of E Y T L R Y L R W E B E U T E O D O Y E S N 1 U G B Y Ashto!(n N V S C 1 Y A !( Kars IN A R I 4 B E J E Ottawa !( P P E A L E L A Y S T S D S 8 E L Munster North Gower !( A S L T 0 A R B Dwyer Hill !( R Y R F Osgoode L W RE T PA V R !( C E 7 R S E M V D W N C D I R I O D O T 9 O E G R A S L R F M N . B 2 D T E E A S R Y N I A 7 H D E F D R S S L D T A m Y T L T E W E G L I E E N E O O S C A A M A 10 5 0 10 R L S O R Y R T E km D T L C D R O E R S T X D F A I S O Y K R F O V E N
R N I G O T EE R RO L D IE VE O A T T HU S V Y RS R T R W P A T B S Q E L D O Y W R E S S R N C W AT HO R E A A G T C B L E 11795 L R R N M 79.3 m I D EL N O R L A Y IN I S Y C D B L R E A N T LE M R LE E S S DR W E G R S W S D A S G U S E E L D U TA L T T R I R RI E N C E IR E T Y E W C C T H I V S M FA G ERD DR S S A IRPAR D T E TRANDH TR B L K DR SE C S AN T N U Rideau River Floodplain R D E E R R I HE R E A P R AVE W IV I S C D HPOINTE L R DR SOUT G D IN A E A E Y R Z D Waterbody Z P 12 100 79.32 m R A S V I O T R S P D E C R U G V H N T Roads I E O O H IR R R C V O T A C OM S R L C E N M M E D TA Y R R LANG AL E WA 12 E A Freeway RE D A 315 T R L L W A L CRE RA N 79 O R S TA R RE .36 m C EA A E N B S R Y R BAR W E O NSTO S Road H NE DR W A O A I Y K L B R 1 D 2 E D B 51 S O 0 H Rapid Transit A DR R U 79 O T L EN DR .44 R R L RESTHAV R B D T R E C m E S E I W V C R L C OS I 1 R T IL M R DR E 2 I S M E Y W 61 E A IN RVCA Boundary N A R 0 S N L A D T 7 P L M G S S 9 O P R E S T 1 12 .5 G P I HA A AP E 2 68 m M T R O C M C 8 5 E L 5 7 I N 9 O B Evaluated Wetlands E R A 5 .8 D J D A A D R N T m R R A E 7 N A M E T S A I M S 9 IV T W R V K K I S S . N T E PL N R 8 E Y E L AT E Provincially Significant I M R R E A D 8 R T G U C A EW N L B T TO m D A Y I T A U Y D N H S M S A R H T O W P LE A D W T R E W A I E AR S N A 1L N N H SK ST D HE R A 30 A A I A 4 Other Y D E 5 E HAWK NT L E R LL 7 ESWOOD DR L W E LL I B W 9. V W O H 99 G K Y A E C K m N C F D O I Y E R O Regulatory R D V
A E S O B B U REN MAUR MM RD C ERH Cross-Section Flood Level H ILL W N S N T S I T N E O R R U V E C S 60.57 m P m Y 2018 8 O .0 Y M 80 I A R 255 A 13 S W H S A Jock River E IN R C I S R O O A E Y R D B N I R S T T S E R S N C S E P N T R R H IO R O O M D 1 D DM A W H 34 R R T E IG 65 A T E E R E R L 8 D T 0. R E N C R G 1 m VE N A O A D L R C D GE TO E BRID S H S O OR R C L B E S IV R R E W
P O 13 N 730 D 80.13 H m
O
L
L
O W m S 0.14 W E 0 8 Figure 9c CR 1392 A F R Y IA E E BR A N K T B S OA PV E P C N .22 m E E 80 H T IN AV 4060 A T R 1 I H H T L O K V F R T OC P I W R L D M D S KS D O G LIN O O W OLF W m O E G ST 29 T A C U 0. N A R 8 U Y 210 C B L 14 A A S D 1 m N Y H E 4 .31 A R 4 80 A W 0 305 W W 104 G O A 8 Y L O 0 RFL = 80.36 m E D .3 RD N W 6 VT AN P W A m RI D Y D B IL A U R AM EW Y A C DL DE I T 14 RI Q CR 62 U R R 5 E A CI 80 T B DS .44 IC LA OO m O CA NW P T RI V PV E T LK DA GE UN RID Map Scale: 1:20,000 D IE m S D 51 Projection note: C E PIN 80. H R S 5 D U.T.M. Zone 18 - NAD 83 Datum K IL 87 R ² E C K 14 I D Y L N AN E B R JO Y SL File Location: I U C A I Z:\GIS_Data\CA_Data\FPM\RVCA\RV3\MapSheets\R eport\Rideau_Hogs_Kars_1to20000 B N R B K W LS L N V C L N S A U L L A LE L I O E I S R L H IC E O E 1 C S D L N W O D P Created by: P.G. K R H E 5 D N MA .56 m L A E A 80 3 R C 15080 m E Y D D R 5 7 A G E ES . 0 4 Modified by: P.G. Date Modified: 27/07/2017 F E H 8 F I m D L .74 I 0 8 0 R L 8 E 0 7 L C 19 1 5 Published by: Date Published: 27/07/2017 D R 5 1 . 5 m 8 1 DR T E .7 E S D m 4 L R A E 8 Base-mapping and GIS services provided courtesy of the Rideau Valley N R DO N 0 Conservation Authority, under License with the Ontario Ministry of G UN A 7 R K L D 7 Natural Resources © Queen's Printer for Ontario, 2017. I R 5 E N T A D 4 m1 E L 82.1 A R m V 15600 N O E W 7 These maps are the property of the RVCA, and the RVCA holds a copyright B C T Rideau Ri.ver m V W N P O 4 A H K SO on them. These maps may be copied or reproduced by other parties provided L E 8 7 D E R . N K I I C L R 4 that the RVCA is properly acknowledged as the original source of the A L K I V 0 M D I R L 157 8 K 40 3 R E 8 information in any document, report or map in which this mapping is used, T A E T A 2.35C 0 C m 0 D V R P U E 6 W 3 D and provided that no fee is charged (other than to cover handling charges). O m 1 N S V C 1 A S A L 3 O O E 5 6 D While RVCA makes every effort to ensure that the information presented is Y N L . 1 R Z C L 2 M E 8 S O sufficiently accurate for the intended uses of the map, there is an inherent K O N Y E I R 2 S margin of error in all mapping products, and the RVCA cannot guarantee the W T D 6 W S 8 O R 5 H R A 1 C accuracy of the mapping for all possible uses. All end-users of the Y m IT D .73 M information contained herein must therefore determine for themselves if the 84 m information is of suitable accuracy for their purposes. 0 4.74 43 15 8 16 165 500 250 0 500 1,000 Meters D m m
R
7 4. .7 AY W 4 R 1 8 8 W Rideau River 57E 4 H I 0 ID 82.35 0 RT V m 0 E 3 3 EA A K 0 L U m 6 1 ONGS H E Flood Plain Mapping C 3 H G V .5 1 16 ADOW N AV O A 2 R ST LO R
L L 8 L I E E 2 V NC Y 86 E LA Hog's Back to Kars D 5 R DR R 1 m Y 3 R R 7 D A 4. AN M Index:4 8 4 m K C E 0 .7 AC A BRAVA 3 4 L D R D 4 8 B Y O Dunrobin R 6 A !( 1 5 W W 51 H 4 m 16 RC S 2.8 E H 8 P I R 77 L DS 61 ENA A E R E Carp Vars 1 VE N A !( / !( S B M A E W L INN CR L C S D A A W S N L U K E Y C IL N P B K E m M U E 2 O R EA H A N 8 T E ID H 4. A R O N 8 T R I T R L C L Greely 20 T S !( C L 8 R IN E C 6 E G E R C 1 R D Manotick I S C I C !( Metcalfe E R N D R !( m L R E R S 4 E D O C T L .0 Y A T T 3 S N R D S Richmond 8 A R W A !( 0 T H G C C 1 A S I City of 65 IL R N L D 1 D IS A E E L D W L R Ashto!(n R L m R O O !( Ottawa Kars C A 9 H !( R N 9 C W Munster North Gower !( E . T Dwyer Hill !( Osgoode D 4 I !( M B D S R 8 J D R D 70 R ES R O L IS 71 TE L C L O R E 1 P m O K C m W L K R 10 5 0 10 T R 1 T D km 13AR L A . W . D P 5 U 3 H R A C 8 R 8 Y m E H 0 T L E 86 6 A 0 m K O S W N 16 .1 6 4 OL R S 4 1 D I D 3 . G C 7 5 M RFL = 86..06 m S R 8 IL H 1 8 L M E R W T S 0 E S A I 0 A 4 V V 2 Y N 7 D 0 A E m O 7 R 7 T R 1 2 R 1 S S N .78 R m E 5. R D L RFL = 83.29 m ID R 85 D E A 2 W I 8 E N 2 E V 0 IR EW Rideau River Floodplain . C E 5 K U U E 3 R 2 ITO Q T ES 9 m 1 M S 8 R 7S9 m AN S CR E 17I 9 8 m CR 5 m N S 1 D ES T 9 1 3 R 7 6 O E . 0T 1 D U Waterbody 5 .S0 2 O 3 .2 R D 8 6 . O C 7 T R E6 5 Z S 1 3 H G88 m EN O H 5 E 8 D D S I 6 I U E 3 8 m R I 56 Rideau River S Q R Roads L 1 8R 0 C 5 B 9 6 . 9 9 L T 8 1 R T T 1 E . 6 R 2 1 8 D U 5 S 8 0 . O V 8 O 7 A 11 3 W D S 3 C 1 8 P D LS Freeway R H R m R R m 5 R m D I I A T V 9 7 H A 5 m E G E L V 3 R E 0 8 W R 6 . U O 4E D B 8 6 O 7 . 9 D 8 G C 7 3 R E A R 1 Road
9 Z K D I 0 M 1 8 . L 7 R m A 3 E 8 S 5 8 K 8 m 1 7 7 I T N E 9 6 Rapid Transit 7 S G R 7 . 0 M 0 E . I R S C 1 3 L
9 4 C R C F L m C 8 8 V IE O 4 E E 2I B O 1 E m O RVCA Boundary S L E 8 0 . W C U O 0 4 5 S S 1 2 8 1 m R 7 6 N T . S m R T Y 8 4 2T R 2 R 6 9 E 9 m L 1 1 8 .5 T 0 86.0 H D8 S 8 A Evaluated Wetlands N S 1 T 7 9 4 .7 A 19 E 1 N N F 8 8 S E I 1 5 4 E I E O S G R 7 8 U H 8 5 L H C 1 2 N A Provincially Significant T H 8 5 S ST S S IG E LL N E H 8 D 8 HI R M 1 T V D C R A IC 8 A H D A N D O K8 N P L N O .3 m R O N 1I 9025 85 A Y Other D T N V P H R I R S S S C S L D E E L T K I K E V O E IE A M D m
F D 2 K R A N T 6.1 Regulatory N E R 8 A C I S R R 90 L D N 4 B R T D 19 L P S Cross-Section Flood Level A D T E O M O S RW 2018 60.57 m N VE A m EA 1 M B m .5 DR 6.15 G 5 R 8 m HE 15 8 A OP 97 R 4 T 1 D 60 m RIS D 5 H D 3 . 3 C 9 5 m I m
W 1 S 8 .6 m
2 O E 2 C 5
L N 0 8 8 0 R 6 A . . K 3 P T L 5 1 m 6 C 5 0 . I E Y 8 8 9 8 9L 6 1 R T . D W 1 6 T F 8 6 T 9E 5 8 S A 5 E R 1 E R P 1R 0 N 4 D I 8 A 0 0 FO E I R F L 9 2 T E D 9 I 9 0 U A C E R H A 1 9 G V E C 20 E E A T ID F D OT O 1 0 m R R O P T R HA C O AN 2 D 5 R W SC EW IE .2 E IT V 6 S H ND 8 W RFL = 85.54 m LA IS 15 T 5 R 0 E 2 Figure 9d S T T C R L M C R A EY E E D C R K I m L G S R M E R A 3 P O T M 6. A I D Y S L 8 N D L O A E U R R K 0 N D 9 S L D 8 L 0 A D VE S 2 Y V E A R R T W E E m AN 2 BL 6.3 UN 8 D T 5 m T N S 11 34 CR SO 21 6. RFL = 86.7 m K ER 8 ER ATT 75 EIM W 12 L E 2 RD RY TU E EN N C A L L P 2 Y W 2 B O 86.36 m L 21505 0 IL IL K Y W 6 1 A 3 5 R . G 6 8 8 Map Scale: 1:20,000 6 m . Projection note: 5 4 63 6 4 . U.T.M. Zone 18 - NAD 83 Datum ² 7 6 m S 8 1 E CR File Location: 2 0 ER 5 Z:\GIS_Data\CA_Data\FPM\RVCA\RV3\MapSheets\R eport\Rideau_Hogs_Kars_1to20000 CH 3 OU 22 B Created by: P.G.
1 S Modified by: P.G. Date Modified: 27/07/2017 T m L 7 IN 6. E 8 Published by: Date Published: 27/07/2017 R RFL = 86.44 m 0 D 84 22 Base-mapping and GIS services provided courtesy of the Rideau Valley Conservation Authority, under License with the Ontario Ministry of Natural Resources © Queen's Printer for Ontario, 2017. 1 m These maps are the property of the RVCA, and the RVCA holds a copyright .7 on them. These maps may be copied or reproduced by other parties provided R 6 I 8 m D 0 that the RVCA is properly acknowledged as the original source of the E 3 8 information in any document, report or map in which this mapping is used, A 1 7 U 23 . and provided that no fee is charged (other than to cover handling charges). V 6 A 8 While RVCA makes every effort to ensure that the information presented is L L sufficiently accurate for the intended uses of the map, there is an inherent E 0 Y margin of error in all mapping products, and the RVCA cannot guarantee the D 0 m 4 6 R .8 accuracy of the mapping for all possible uses. All end-users of the N 3 6 2 8 information contained herein must therefore determine for themselves if the 5 61 information is of suitable accuracy for their purposes. 23 500 250 0 500 1,000 Meters D S R ER Rideau River m RN 71 CO M . S A Flood Plain Mapping 6 T N 8 m R 0 BE O R 3 8 ER T 1 7 H I ID 23 . C Hog's Back to Kars E 6 K
A 8 S U T Index:5 V 0 A A T L Ridea0 u River m I L O E 4 6 Y 3 .8 N Dunrobin 6 !( D 2 8 R R 5 D N 61 3 J 2 A M m Carp Vars 91 !( / !( E 6. S 8 0 7B 8 RFL = 86.78 m 23 E L L
D Greely !( R m 7 Manotick Metcalfe .9 !( !( 86 00 Richmond 40 C!( ity of 2 R Ashto!(n IV !( Ottawa Kars E Munster !( R Dwyer Hill North Gower !( 24165 87.01 m !( !( Osgoode R D
RFL = 87.05 m 10 5 0 10 km 24350 87.03 m
RD N IO 24560 87.05 m AT ST m G 7 LA 7.0 F 8 Rideau River Floodplain 80 6 K 24 E L W Waterbody RFL = 87.20 m IN G RFL = 87.09 m L Roads A N E Freeway .09 m 0 87 2511 Road Rapid Transit .1 m 25300 87 RVCA Boundary
1S T Evaluated Wetlands L IN 255 R E 00 87.1 m E D R SID Provincially Significant D ER MM RFL = 87.13 m SU Other Regulatory R 7.11 m D Cross-Section Flood Level 810 8 DR CK 25 ER DU AT D 2018 60.57 m EW R OO DG N D W E DE DE See Map 1 of the Rideau (2017) 2 m OO 87.1 W Kars to Burritts Rapids Report for E 0 RFL = 87.16 m RD 606 AN 2 m EL cross sections and water levels H 13 DR RD P 7. R D pertaining to this spill area. 8 DA AN 0 P CE See Map 1 of the Rideau (2017) ISL 23 IN E 6 E AK 2 A N A V Kars to Burritts Rapids Report for S S E m RFL = 87.25 m T O 4 cross sections and water levels E N .1 N 7 A R 8 L D pertaining to this spill area. 5 N 4 I 5 G 6 N 2 I Figure 9e L m RFL = 87.27 m C 5 D .1 D R 7 R ER 8 N K TO UN 0 UP B 3 8 6 2
M RFL = 87.20 m C m G .16 U E 7 I D 0 8 R R 16 E N 7 A 2 R EL
PH D
L
P
D
N R A Y D L WA D AIR
O F O
W 27540 87.18 m
T I M M A A Map Scale: 1:20,000 G R
A I 2 N 7 Projection note: M A 8 U.T.M. Zone 18 - NAD 83 Datum L I ² 7 E D C 0 W R R File Location: 8 Z:\GIS_Data\CA_Data\FPM\RVCA\RV3\MapSheets\R eport\Rideau_Hogs_Kars_1to20000 T I S 7 . W 2 19 A 8 0 m Created by: P.G. Y 2 75 82 8 DR 4 7 Modified by: P.G. Date Modified: 27/07/2017 AND 5 .2 HERL 2 m SUT 8 87 Published by: Date Published: 27/07/2017 43 .2 5 m Base-mapping and GIS services provided courtesy of the Rideau Valley 87 .2 Conservation Authority, under License with the Ontario Ministry of 1 Natural Resources © Queen's Printer for Ontario, 2017. m St These maps are the property of the RVCA, and the RVCA holds a copyright udy on them. These maps may be copied or reproduced by other parties provided D that the RVCA is properly acknowledged as the original source of the Lim R it BIN information in any document, report or map in which this mapping is used, CA and provided that no fee is charged (other than to cover handling charges). DR NS While RVCA makes every effort to ensure that the information presented is E sufficiently accurate for the intended uses of the map, there is an inherent EV N ST I R X margin of error in all mapping products, and the RVCA cannot guarantee the GE RR O accuracy of the mapping for all possible uses. All end-users of the RO TE N BE D information contained herein must therefore determine for themselves if the CO R information is of suitable accuracy for their purposes.
500 250 0 500 1,000 Meters
Appendix A
HEC-RAS Profiles and Cross-Sections
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 27 of 29
Rideau River DSManotick 100 Legend
EG 100 Yr WS 100 Yr
95 Ground
90
85
80 Elevation (m)
75
70
65
60 0 2000 4000 6000 8000 10000 12000 14000 16000
Main Channel Distance (m) Rideau River West Branch 100 Legend
EG 100 Yr WS 100 Yr
95 Ground
90
85
80 Elevation (m)
75
70
65
60 0 2000 4000 6000
Main Channel Distance (m) Rideau River East Branch 100 Legend
EG 100 Yr WS 100 Yr
95 Ground
90
85
80 Elevation (m)
75
70
65
60 0 2000 4000 6000
Main Channel Distance (m) Rideau River USManotick 100 Legend
EG 100 Yr WS 100 Yr
95 Ground
90
85
80 Elevation (m)
75
70
65
60 0 2000 4000 6000 8000 10000
Main Channel Distance (m) River = Rideau River Reach = USManotick RS = 29000 River = Rideau River Reach = USManotick RS = 28727 River = Rideau River Reach = USManotick RS = 28719 BR
.08 .035 .08 .08 .035 .08 .08 .035 .08 90 94 96 Legend Legend Legend 88 92 94 EG 100 Yr EG 100 Yr 92 EG 100 Yr 86 90 WS 100 Yr WS 100 Yr 90 WS 100 Yr 88 84 88 Ground 86 Ground Ground 82 86 Bank Sta 84 Bank Sta Bank Sta 80 84 Elevation (m) Elevation (m) 82 Elevation (m) 82 78 80 80 76 78 78 74 76 76 800 900 1000 1100 1200 1300 900 950 1000 1050 1100 1150 1200 900 950 1000 1050 1100 1150 1200 Station (m) Station (m) Station (m) River = Rideau River Reach = USManotick RS = 28719 BR River = Rideau River Reach = USManotick RS = 28715 River = Rideau River Reach = USManotick RS = 28435
.08 .035 .08 .08 .035 .08 .08 .035 .08 96 94 90 Legend Legend Legend 94 92 88 92 EG 100 Yr EG 100 Yr EG 100 Yr 90 86 90 WS 100 Yr WS 100 Yr WS 100 Yr 88 88 84 Ground 86 Ground Ground 86 82 Bank Sta 84 Bank Sta Bank Sta 84 80 Elevation (m) Elevation (m) Elevation (m) 82 82 78 80 80 78 78 76 76 76 74 900 950 1000 1050 1100 1150 1200 900 950 1000 1050 1100 1150 1200 800 900 1000 1100 1200 1300 Station (m) Station (m) Station (m) River = Rideau River Reach = USManotick RS = 28245 River = Rideau River Reach = USManotick RS = 28075 River = Rideau River Reach = USManotick RS = 27870
.08 .035 . .08 .035 . .08 .035 .08 88 0 90 0 90 8 Legend 8 Legend Legend 86 EG 100 Yr 88 EG 100 Yr 88 EG 100 Yr
WS 100 Yr WS 100 Yr 86 WS 100 Yr 84 86 Ground Ground 84 Ground 82 84 Bank Sta Bank Sta Bank Sta 82 Elevation (m) Elevation (m) 80 Elevation (m) 82 80
78 80 78
76 78 76 850 900 950 1000 1050 1100 1150 900 950 1000 1050 1100 1150 1200 900 950 1000 1050 1100 1150 1200 Station (m) Station (m) Station (m) River = Rideau River Reach = USManotick RS = 27540 River = Rideau River Reach = USManotick RS = 27160 River = Rideau River Reach = USManotick RS = 26830
.08 .035 .08 .08 .035 .08 .08 .035 .08 92 90 90 Legend Legend Legend 90 EG 100 Yr 88 EG 100 Yr 88 EG 100 Yr 88 WS 100 Yr 86 WS 100 Yr 86 WS 100 Yr 86 Ground 84 Ground 84 Ground 84 Bank Sta Bank Sta Bank Sta 82 82 82 Elevation (m) Elevation (m) Elevation (m) 80 80 80
78 78 78
76 76 76 900 950 1000 1050 1100 1150 1200 1250 950 1000 1050 1100 1150 1200 1250 800 900 1000 1100 1200 1300 Station (m) Station (m) Station (m) River = Rideau River Reach = USManotick RS = 26545 River = Rideau River Reach = USManotick RS = 26230 River = Rideau River Reach = USManotick RS = 26060
.08 . .08 .08 .035 .08 .08 .035 .08 90 0 90 90 3 Legend Legend Legend 5 88 EG 100 Yr 88 EG 100 Yr 88 EG 100 Yr 86 WS 100 Yr 86 WS 100 Yr 86 WS 100 Yr
84 Ground 84 Ground 84 Ground Bank Sta Bank Sta Bank Sta 82 82 82 Elevation (m) Elevation (m) Elevation (m) 80 80 80
78 78 78
76 76 76 600 800 1000 1200 1400 1600 900 950 1000 1050 1100 1150 700 800 900 1000 1100 1200 1300 1400 Station (m) Station (m) Station (m) River = Rideau River Reach = USManotick RS = 25810 River = Rideau River Reach = USManotick RS = 25500 River = Rideau River Reach = USManotick RS = 25300
.08 .035 .08 .08 .035 .08 .08 .035 .08 90 90 90 Legend Legend Legend
88 EG 100 Yr 88 EG 100 Yr 88 EG 100 Yr
WS 100 Yr WS 100 Yr 86 WS 100 Yr 86 86 Ground Ground 84 Ground 84 84 Bank Sta Bank Sta Bank Sta 82 Elevation (m) Elevation (m) 82 Elevation (m) 82 80
80 80 78
78 78 76 850 900 950 1000 1050 1100 1150 1200 1250 800 900 1000 1100 1200 1300 800 900 1000 1100 1200 1300 Station (m) Station (m) Station (m) River = Rideau River Reach = USManotick RS = 25110 River = Rideau River Reach = USManotick RS = 24680 River = Rideau River Reach = USManotick RS = 24560
.08 .035 .08 .08 .035 .08 .08 .035 .08 90 88 90 Legend Legend Legend
88 EG 100 Yr 87 EG 100 Yr 88 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 86 86 86 Ground Ground Ground 84 85 84 Bank Sta Bank Sta Bank Sta
Elevation (m) 82 Elevation (m) 84 Elevation (m) 82
80 83 80
78 82 78 900 1000 1100 1200 1300 900 950 1000 1050 1100 1150 1200 900 950 1000 1050 1100 1150 1200 Station (m) Station (m) Station (m) River = Rideau River Reach = USManotick RS = 24350 River = Rideau River Reach = USManotick RS = 24165 River = Rideau River Reach = USManotick RS = 24000
.08 .035 .08 .08 .035 .08 .08 .035 .08 90 90 90 Legend Legend Legend
88 88 EG 100 Yr EG 100 Yr 88 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 86 86 Ground Ground 86 Ground 84 Bank Sta Bank Sta Bank Sta 84 84 Elevation (m) Elevation (m) Elevation (m) 82
82 80 82
80 78 80 960 980 1000 1020 1040 1060 1080 1100 1120 1140 940 960 980 1000 1020 1040 1060 1080 1100 1120 1140 960 980 1000 1020 1040 1060 1080 1100 1120
Station (m) Station (m) Station (m) River = Rideau River Reach = USManotick RS = 23780 River = Rideau River Reach = USManotick RS = 23615 River = Rideau River Reach = USManotick RS = 23400
.08 .035 .08 .08 .035 .08 .08 .035 .08 90 90 89 Legend Legend Legend 88 EG 100 Yr 88 EG 100 Yr EG 100 Yr 88 WS 100 Yr WS 100 Yr 87 WS 100 Yr 86 Ground Ground 86 Ground 86 Bank Sta Bank Sta Bank Sta 84 85 Elevation (m) Elevation (m) Elevation (m) 84 84 82 83
82 80 82 960 980 1000 1020 1040 1060 1080 1100 1120 960 980 1000 1020 1040 1060 1080 1100 1120 1140 850 900 950 1000 1050 1100 1150 Station (m) Station (m) Station (m) River = Rideau River Reach = USManotick RS = 23130 River = Rideau River Reach = USManotick RS = 22840 River = Rideau River Reach = USManotick RS = 22350
.08 .035 . .08 .035 .08 .08 .035 .08 90 0 88 90 8 Legend Legend Legend 88 86 EG 100 Yr EG 100 Yr 88 EG 100 Yr 86 WS 100 Yr WS 100 Yr WS 100 Yr 84 84 Ground Ground 86 Ground 82 Bank Sta Bank Sta Bank Sta 82 84
Elevation (m) Elevation (m) 80 Elevation (m) 80 82 78 78
76 76 80 850 900 950 1000 1050 1100 1150 1200 850 900 950 1000 1050 1100 1150 1200 940 960 980 1000 1020 1040 1060 1080 1100 Station (m) Station (m) Station (m) River = Rideau River Reach = USManotick RS = 22015 River = Rideau River Reach = USManotick RS = 21765 River = Rideau River Reach = USManotick RS = 21505
.08 .035 . .08 .035 . .08 .035 . 89 0 90 0 90 0 8 Legend 8 Legend 8 Legend 88 EG 100 Yr 88 EG 100 Yr 88 EG 100 Yr WS 100 Yr 86 WS 100 Yr 86 WS 100 Yr 87 Ground 84 Ground 84 Ground 86 Bank Sta Bank Sta Bank Sta 82 82 Elevation (m) Elevation (m) 85 Elevation (m) 80 80
84 78 78
83 76 76 940 960 980 1000 1020 1040 1060 1080 1100 800 900 1000 1100 1200 1300 800 900 1000 1100 1200 1300 Station (m) Station (m) Station (m) River = Rideau River Reach = USManotick RS = 21275 River = Rideau River Reach = USManotick RS = 21115 River = Rideau River Reach = USManotick RS = 20890
.08 .035 . .08 .035 . .08 .035 . 88 0 90 0 90 0 8 Legend 8 Legend 8 Legend 86 EG 100 Yr 88 EG 100 Yr 88 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 84 Ground 86 Ground 86 Ground 82 Bank Sta Bank Sta Bank Sta 84 84 Elevation (m) Elevation (m) 80 Elevation (m)
82 82 78
76 80 80 800 850 900 950 1000 1050 1100 850 900 950 1000 1050 1100 1150 900 950 1000 1050 1100 1150 Station (m) Station (m) Station (m) River = Rideau River Reach = USManotick RS = 20515 River = Rideau River Reach = USManotick RS = 20200 River = Rideau River Reach = East Branch RS = 19890
.08 .035 .08 .08 .035 .08 .08 .03 . 89 88 89 0 Legend Legend 8 Legend 88 88 EG 100 Yr 87 EG 100 Yr EG 100 Yr 87 87 WS 100 Yr 86 WS 100 Yr WS 100 Yr 86 86 Ground 85 Ground Ground 85 Bank Sta Bank Sta Bank Sta 85 84 84 Elevation (m) Elevation (m) Elevation (m) 84 83 83
83 82 82
82 81 81 950 1000 1050 1100 1150 1200 800 900 1000 1100 1200 1300 850 900 950 1000 1050 1100 1150 Station (m) Station (m) Station (m) River = Rideau River Reach = East Branch RS = 19715 River = Rideau River Reach = East Branch RS = 19490 River = Rideau River Reach = East Branch RS = 19180
.08 .03 . .08 .03 .08 . .03 .08 90 0 90 90 0 8 Legend Legend 8 Legend 88 88 EG 100 Yr EG 100 Yr EG 100 Yr 88 WS 100 Yr WS 100 Yr WS 100 Yr 86 86 Ground Ground Ground 86 84 Bank Sta Bank Sta Bank Sta 84 Elevation (m) Elevation (m) Elevation (m) 82 84 82 80
80 82 78 900 950 1000 1050 1100 1150 920 940 960 980 1000 1020 1040 1060 1080 1100 950 1000 1050 1100 1150 1200 1250 Station (m) Station (m) Station (m) River = Rideau River Reach = East Branch RS = 18870 River = Rideau River Reach = East Branch RS = 18695 River = Rideau River Reach = East Branch RS = 18325
.08 .03 .08 .08 .03 .08 . .03 .08 89 90 90 0 Legend Legend 8 Legend 88 89 EG 100 Yr EG 100 Yr 88 EG 100 Yr 87 88 WS 100 Yr WS 100 Yr WS 100 Yr 86 86 87 Ground Ground Ground 85 86 84 Bank Sta Bank Sta Bank Sta 84 85 Elevation (m) Elevation (m) Elevation (m) 82 83 84 80 82 83
81 82 78 940 960 980 1000 1020 1040 1060 1080 1100 1120 1140 950 1000 1050 1100 1150 950 1000 1050 1100 1150 1200 Station (m) Station (m) Station (m) River = Rideau River Reach = East Branch RS = 18196 River = Rideau River Reach = East Branch RS = 18191 BR River = Rideau River Reach = East Branch RS = 18191 BR
.08 .03 .08 .08 .03 .08 .08 .03 .08 94 94 94 Legend Legend Legend
92 EG 100 Yr 92 EG 100 Yr 92 EG 100 Yr 90 WS 100 Yr 90 WS 100 Yr 90 WS 100 Yr
88 Ground 88 Ground 88 Ground Bank Sta Bank Sta Bank Sta 86 86 86 Elevation (m) Elevation (m) Elevation (m) 84 84 84
82 82 82
80 80 80 900 920 940 960 980 1000 900 920 940 960 980 1000 900 920 940 960 980 1000 Station (m) Station (m) Station (m) River = Rideau River Reach = East Branch RS = 18185 River = Rideau River Reach = East Branch RS = 18135 River = Rideau River Reach = East Branch RS = 17925
.08 .03 .08 .08 .03 .08 .08 .03 .08 94 89 89 Legend Legend Legend
92 EG 100 Yr 88 EG 100 Yr 88 EG 100 Yr 90 WS 100 Yr 87 WS 100 Yr WS 100 Yr 87 88 Ground 86 Ground Ground 86 Bank Sta Bank Sta Bank Sta 86 85 Elevation (m) Elevation (m) Elevation (m) 85 84 84
82 83 84
80 82 83 900 920 940 960 980 1000 960 980 1000 1020 1040 1060 1080 1100 1120 900 920 940 960 980 1000 1020 1040 1060 Station (m) Station (m) Station (m) River = Rideau River Reach = East Branch RS = 17920 River = Rideau River Reach = East Branch RS = 17720 River = Rideau River Reach = East Branch RS = 17460
.08 .03 .08 .08 .03 . .08 .03 .08 89 88 0 88 Legend 8 Legend Legend 87 88 EG 100 Yr EG 100 Yr 87 EG 100 Yr 86 WS 100 Yr WS 100 Yr 86 WS 100 Yr 87 85 Ground Ground 85 Ground 86 84 Bank Sta Bank Sta Bank Sta 84 83 Elevation (m) Elevation (m) 85 Elevation (m) 83 82 84 81 82
83 80 81 900 920 940 960 980 1000 1020 1040 1060 850 900 950 1000 1050 1100 1150 960 980 1000 1020 1040 1060 1080 1100 Station (m) Station (m) Station (m) River = Rideau River Reach = East Branch RS = 17170 River = Rideau River Reach = East Branch RS = 16820 River = Rideau River Reach = East Branch RS = 16515
.08 .03 .08 . .03 .08 .08 .03 . 89 88 0 90 0 Legend 8 Legend 8 Legend 88 87 EG 100 Yr EG 100 Yr 88 EG 100 Yr 87 WS 100 Yr WS 100 Yr WS 100 Yr 86 86 Ground Ground 86 Ground 85 85 Bank Sta Bank Sta Bank Sta 84
Elevation (m) Elevation (m) 84 Elevation (m) 84 82 83 83
82 82 80 960 980 1000 1020 1040 1060 1080 1100 1120 1140 980 1000 1020 1040 1060 1080 1100 1120 1140 850 900 950 1000 1050 1100 1150 Station (m) Station (m) Station (m) River = Rideau River Reach = East Branch RS = 16430 River = Rideau River Reach = East Branch RS = 16130 River = Rideau River Reach = East Branch RS = 16030
.08 .03 .08 . .03 . . .03 .08 90 90 0 0 88 0 Legend 8 8 Legend 8 Legend 88 88 EG 100 Yr EG 100 Yr 86 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 86 86 Ground Ground 84 Ground 84 Bank Sta Bank Sta Bank Sta 84 82 Elevation (m) Elevation (m) Elevation (m) 82
82 80 80
80 78 78 850 900 950 1000 1050 1100 1150 1200 950 1000 1050 1100 1150 1200 950 1000 1050 1100 1150 1200 1250 1300 1350 Station (m) Station (m) Station (m) River = Rideau River Reach = East Branch RS = 15770 River = Rideau River Reach = East Branch RS = 15570 River = Rideau River Reach = East Branch RS = 15452
. .03 . .08 .03 . .03 88 0 0 88 0 86 8 8 Legend 8 Legend Legend 85 86 EG 100 Yr 86 EG 100 Yr EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 84 84 Ground 84 Ground Ground 83 Bank Sta Bank Sta Bank Sta 82 82 Elevation (m) Elevation (m) Elevation (m) 82
80 80 81
78 78 80 950 1000 1050 1100 1150 1200 1250 1300 950 1000 1050 1100 1150 1200 900 910 920 930 940 Station (m) Station (m) Station (m) River = Rideau River Reach = East Branch RS = 15440 IS River = Rideau River Reach = East Branch RS = 15425 River = Rideau River Reach = West Branch RS = 20090
.03 .03 . .035 .08 87 86 89 0 Legend Legend 8 Legend 85 86 EG 100 Yr EG 100 Yr 88 EG 100 Yr 84 85 WS 100 Yr WS 100 Yr WS 100 Yr 87 83 84 Ground Ground Ground 82 86 Bank Sta Bank Sta Bank Sta 83 81 Elevation (m) Elevation (m) Elevation (m) 85 82 80 84 81 79
80 78 83 890 900 910 920 930 940 900 910 920 930 940 950 1000 1050 1100 1150 1200 1250 Station (m) Station (m) Station (m) River = Rideau River Reach = West Branch RS = 19945 River = Rideau River Reach = West Branch RS = 19815 River = Rideau River Reach = West Branch RS = 19690
.08 .035 .08 .08 .035 .08 .08 .035 .08 88 90 88 Legend Legend Legend
87 87 EG 100 Yr EG 100 Yr EG 100 Yr 88 WS 100 Yr WS 100 Yr WS 100 Yr 86 86 Ground Ground Ground 86 85 Bank Sta Bank Sta Bank Sta 85 Elevation (m) Elevation (m) Elevation (m) 84 84 84 83
83 82 82 960 980 1000 1020 1040 1060 1080 1100 1120 940 960 980 1000 1020 1040 1060 1080 960 980 1000 1020 1040 1060 1080 1100 Station (m) Station (m) Station (m) River = Rideau River Reach = West Branch RS = 19530 River = Rideau River Reach = West Branch RS = 19360 River = Rideau River Reach = West Branch RS = 19025
.08 .035 . .08 .035 . .08 .035 .08 88 0 90 0 89 8 Legend 8 Legend Legend 87 88 EG 100 Yr 88 EG 100 Yr EG 100 Yr 86 WS 100 Yr WS 100 Yr 87 WS 100 Yr 85 Ground 86 Ground 86 Ground 84 Bank Sta Bank Sta Bank Sta 85 83 84 Elevation (m) Elevation (m) Elevation (m) 84 82 82 81 83
80 80 82 900 950 1000 1050 1100 1150 920 940 960 980 1000 1020 1040 1060 1080 1100 960 980 1000 1020 1040 1060 1080 Station (m) Station (m) Station (m) River = Rideau River Reach = West Branch RS = 18885 River = Rideau River Reach = West Branch RS = 18825 River = Rideau River Reach = West Branch RS = 18792 IS
.08 .035 .08 .08 .035 .08 .08 .035 .08 90 90 90 Legend Legend Legend 89 89 89 EG 100 Yr EG 100 Yr EG 100 Yr 88 88 88 WS 100 Yr WS 100 Yr WS 100 Yr 87 87 87 Ground Ground Ground 86 86 86 Bank Sta Bank Sta Bank Sta 85 85 85 Elevation (m) Elevation (m) Elevation (m) 84 84 84
83 83 83
82 82 82 980 990 1000 1010 1020 1030 1040 1050 1060 1070 980 990 1000 1010 1020 1030 1040 1050 1060 1070 980 990 1000 1010 1020 1030 1040 1050 1060 1070
Station (m) Station (m) Station (m) River = Rideau River Reach = West Branch RS = 18759 River = Rideau River Reach = West Branch RS = 18716 River = Rideau River Reach = West Branch RS = 18709
.08 .035 .08 .08 .035 .08 .08 .035 .08 90 90 90 Legend Legend Legend
88 EG 100 Yr 88 EG 100 Yr 88 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 86 Ground 86 Ground 86 Ground Bank Sta Bank Sta Bank Sta 84 84 84 Elevation (m) Elevation (m) Elevation (m)
82 82 82
80 80 80 980 990 1000 1010 1020 1030 1040 1050 1060 1070 960 980 1000 1020 1040 1060 1080 960 980 1000 1020 1040 1060 1080 Station (m) Station (m) Station (m) River = Rideau River Reach = West Branch RS = 18634 River = Rideau River Reach = West Branch RS = 18627 BR River = Rideau River Reach = West Branch RS = 18627 BR
.08 .035 .08 .08 .035 .08 .08 .035 .08 90 90 90 Legend Legend Legend
88 EG 100 Yr 88 EG 100 Yr 88 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 86 Ground 86 Ground 86 Ground Bank Sta Bank Sta Bank Sta 84 84 84 Elevation (m) Elevation (m) Elevation (m)
82 82 82
80 80 80 900 920 940 960 980 1000 900 920 940 960 980 1000 900 920 940 960 980 1000 Station (m) Station (m) Station (m) River = Rideau River Reach = West Branch RS = 18620 River = Rideau River Reach = West Branch RS = 18490 River = Rideau River Reach = West Branch RS = 18270
.08 .035 .08 .08 .035 .08 .08 .035 .08 90 90 87 Legend Legend Legend 86 88 EG 100 Yr 88 EG 100 Yr EG 100 Yr 85 WS 100 Yr WS 100 Yr WS 100 Yr 84 86 Ground 86 Ground Ground 83 Bank Sta Bank Sta Bank Sta 84 84 82 Elevation (m) Elevation (m) Elevation (m) 81 82 82 80
80 80 79 900 920 940 960 980 1000 980 1000 1020 1040 1060 1080 960 980 1000 1020 1040 1060 Station (m) Station (m) Station (m) River = Rideau River Reach = West Branch RS = 17975 River = Rideau River Reach = West Branch RS = 17785 River = Rideau River Reach = West Branch RS = 17595
.08 .035 .08 .08 .035 .08 .08 .035 .08 88 88 88 Legend Legend Legend
86 86 EG 100 Yr 86 EG 100 Yr EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 84 84 Ground 84 Ground Ground 82 Bank Sta Bank Sta Bank Sta 82 82 Elevation (m) Elevation (m) Elevation (m) 80
80 80 78
78 78 76 960 980 1000 1020 1040 1060 1080 980 1000 1020 1040 1060 1080 1100 1120 960 980 1000 1020 1040 1060 1080 Station (m) Station (m) Station (m) River = Rideau River Reach = West Branch RS = 17375 River = Rideau River Reach = West Branch RS = 17040 River = Rideau River Reach = West Branch RS = 16860
.08 .035 .08 .08 .035 .08 .08 .035 .08 86 88 90 Legend Legend Legend 88 84 EG 100 Yr 86 EG 100 Yr EG 100 Yr WS 100 Yr WS 100 Yr 86 WS 100 Yr
82 Ground 84 Ground 84 Ground Bank Sta Bank Sta Bank Sta 80 82 82 Elevation (m) Elevation (m) Elevation (m) 80 78 80 78
76 78 76 1000 1020 1040 1060 1080 1100 1000 1020 1040 1060 1080 1100 1120 980 1000 1020 1040 1060 1080 1100 Station (m) Station (m) Station (m) River = Rideau River Reach = West Branch RS = 16510 River = Rideau River Reach = West Branch RS = 16177 River = Rideau River Reach = West Branch RS = 15862
.08 .035 .08 .08 .035 .08 .08 .035 .08 88 90 88 Legend Legend Legend
88 86 EG 100 Yr EG 100 Yr 86 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 86 84 Ground Ground 84 Ground 84 Bank Sta Bank Sta Bank Sta 82 82
Elevation (m) Elevation (m) 82 Elevation (m)
80 80 80
78 78 78 980 1000 1020 1040 1060 1080 1100 980 1000 1020 1040 1060 1080 1100 900 920 940 960 980 1000 Station (m) Station (m) Station (m) River = Rideau River Reach = West Branch RS = 15856 BR River = Rideau River Reach = West Branch RS = 15856 BR River = Rideau River Reach = West Branch RS = 15850
.08 .035 .08 .08 .035 .08 .08 .035 .08 88 88 88 Legend Legend Legend
86 EG 100 Yr 86 EG 100 Yr 86 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 84 Ground 84 Ground 84 Ground Bank Sta Bank Sta Bank Sta 82 82 82 Elevation (m) Elevation (m) Elevation (m)
80 80 80
78 78 78 900 920 940 960 980 1000 900 920 940 960 980 1000 900 920 940 960 980 1000 Station (m) Station (m) Station (m) River = Rideau River Reach = West Branch RS = 15740 River = Rideau River Reach = West Branch RS = 15600 River = Rideau River Reach = West Branch RS = 15420
.08 .035 .08 .08 .035 .08 .08 .035 .08 85 85 85 Legend Legend Legend
84 EG 100 Yr 84 EG 100 Yr 84 EG 100 Yr
WS 100 Yr 83 WS 100 Yr 83 WS 100 Yr 83 Ground 82 Ground 82 Ground 82 Bank Sta Bank Sta Bank Sta 81 81 Elevation (m) Elevation (m) 81 Elevation (m) 80 80
80 79 79
79 78 78 1000 1020 1040 1060 1080 1000 1020 1040 1060 1080 1100 1000 1020 1040 1060 1080 1100 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 15350 River = Rideau River Reach = DSManotick RS = 15260 River = Rideau River Reach = DSManotick RS = 15190
.08 .035 .08 .08 .035 .08 .08 .035 .08 85 85 85 Legend Legend Legend 84 84 EG 100 Yr 84 EG 100 Yr EG 100 Yr 83 83 WS 100 Yr 83 WS 100 Yr WS 100 Yr 82 82 Ground 82 Ground Ground 81 Bank Sta Bank Sta Bank Sta 81 81 80 Elevation (m) Elevation (m) Elevation (m) 80 80 79
79 79 78
78 78 77 980 1000 1020 1040 1060 1080 980 1000 1020 1040 1060 1080 980 1000 1020 1040 1060 1080 1100 1120 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 15080 River = Rideau River Reach = DSManotick RS = 14875 River = Rideau River Reach = DSManotick RS = 14625
. .035 . . .035 . .08 .035 .08 86 0 0 86 0 0 84 8 8 Legend 8 8 Legend Legend 84 84 EG 100 Yr EG 100 Yr 82 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 82 82 Ground Ground 80 Ground 80 Bank Sta Bank Sta Bank Sta 80 78 Elevation (m) Elevation (m) Elevation (m) 78
78 76 76
76 74 74 980 1000 1020 1040 1060 1080 1100 1120 980 1000 1020 1040 1060 1080 1100 960 980 1000 1020 1040 1060 1080 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 14400 River = Rideau River Reach = DSManotick RS = 14305 River = Rideau River Reach = DSManotick RS = 14210
.08 .035 .08 .08 .035 . .08 .035 .08 84 84 0 84 Legend 8 Legend Legend
82 EG 100 Yr 82 EG 100 Yr 82 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 80 80 Ground Ground 80 Ground 78 78 Bank Sta Bank Sta Bank Sta 78 Elevation (m) Elevation (m) 76 Elevation (m) 76
76 74 74
72 72 74 980 1000 1020 1040 1060 1080 900 950 1000 1050 1100 1150 920 940 960 980 1000 1020 1040 1060 1080 1100 1120 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 14060 River = Rideau River Reach = DSManotick RS = 13920 River = Rideau River Reach = DSManotick RS = 13730
.08 .035 . .08 .035 . .08 .035 . 84 0 86 0 84 0 8 Legend 8 Legend 8 Legend 84 82 EG 100 Yr EG 100 Yr 82 EG 100 Yr WS 100 Yr 82 WS 100 Yr WS 100 Yr
80 Ground 80 Ground 80 Ground Bank Sta Bank Sta Bank Sta 78 78 78 Elevation (m) Elevation (m) Elevation (m) 76 76 76 74
74 72 74 850 900 950 1000 1050 1100 900 950 1000 1050 1100 1150 1200 850 900 950 1000 1050 1100 1150 1200 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 13465 River = Rideau River Reach = DSManotick RS = 13255 River = Rideau River Reach = DSManotick RS = 13045
.08 .035 . .08 .035 .08 .08 .035 . 84 0 82 84 0 8 Legend Legend 8 Legend
82 EG 100 Yr 80 EG 100 Yr 82 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 80 Ground 78 Ground 80 Ground Bank Sta Bank Sta Bank Sta 78 76 78 Elevation (m) Elevation (m) Elevation (m)
76 74 76
74 72 74 900 950 1000 1050 1100 1150 900 950 1000 1050 1100 1150 850 900 950 1000 1050 1100 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 12855 River = Rideau River Reach = DSManotick RS = 12685 River = Rideau River Reach = DSManotick RS = 12646 BR
.08 .035 . .08 .035 .08 .08 . .08 82 0 92 92 0 8 Legend Legend 3 Legend 90 90 5 EG 100 Yr EG 100 Yr EG 100 Yr 80 88 88 WS 100 Yr WS 100 Yr WS 100 Yr 86 86 78 Ground 84 Ground 84 Ground Bank Sta 82 Ineff 82 Ineff 76 Elevation (m) Elevation (m) Elevation (m) 80 Bank Sta 80 Bank Sta
74 78 78 76 76 72 74 74 900 950 1000 1050 1100 1150 0 100 200 300 400 500 600 700 100 200 300 400 500 600 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 12646 BR River = Rideau River Reach = DSManotick RS = 12610 River = Rideau River Reach = DSManotick RS = 12510
.08 . .08 .08 .035 .08 .08 .035 .08 92 0 92 86 3 Legend Legend Legend 90 5 90 84 EG 100 Yr EG 100 Yr EG 100 Yr 88 88 82 WS 100 Yr WS 100 Yr WS 100 Yr 86 86 80 84 Ground 84 Ground Ground 78 82 Ineff 82 Ineff Bank Sta 76 Elevation (m) 80 Bank Sta Elevation (m) 80 Bank Sta Elevation (m) 78 78 74 76 76 72 74 74 70 100 200 300 400 500 600 0 100 200 300 400 500 600 700 800 850 900 950 1000 1050 1100 1150 1200 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 12315 River = Rideau River Reach = DSManotick RS = 12100 River = Rideau River Reach = DSManotick RS = 11795
. .035 .08 . .035 . . .035 .08 86 0 86 0 0 82 0 8 Legend 8 8 Legend 8 Legend 84 84 EG 100 Yr EG 100 Yr 80 EG 100 Yr 82 WS 100 Yr 82 WS 100 Yr WS 100 Yr
80 Ground 80 Ground 78 Ground Bank Sta Bank Sta Bank Sta 78 78 76 Elevation (m) Elevation (m) Elevation (m) 76 76 74 74 74
72 72 72 950 1000 1050 1100 1150 1200 1250 1300 950 1000 1050 1100 1150 1200 1250 1300 950 1000 1050 1100 1150 1200 1250 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 11480 River = Rideau River Reach = DSManotick RS = 11215 River = Rideau River Reach = DSManotick RS = 10895
. .035 .08 . .035 .08 .08 .035 . 82 0 82 0 85 0 8 Legend 8 Legend 8 Legend
80 EG 100 Yr 80 EG 100 Yr EG 100 Yr 80 WS 100 Yr WS 100 Yr WS 100 Yr 78 Ground 78 Ground Ground 75 Bank Sta Bank Sta Bank Sta 76 76 Elevation (m) Elevation (m) Elevation (m) 70 74 74
72 72 65 950 1000 1050 1100 1150 1200 950 1000 1050 1100 1150 1200 960 980 1000 1020 1040 1060 1080 1100 1120 1140 1160 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 10575 River = Rideau River Reach = DSManotick RS = 10365 River = Rideau River Reach = DSManotick RS = 10105
. .035 . . .035 .08 . .035 .08 84 0 0 84 0 90 0 8 8 Legend 8 Legend 8 Legend 82 82 EG 100 Yr EG 100 Yr 85 EG 100 Yr 80 WS 100 Yr WS 100 Yr WS 100 Yr 80 78 Ground Ground 80 Ground 78 76 Bank Sta Bank Sta Bank Sta 75
Elevation (m) Elevation (m) 76 Elevation (m) 74 70 72 74
70 72 65 960 980 1000 1020 1040 1060 1080 1100 1120 1140 950 1000 1050 1100 1150 1200 1250 950 1000 1050 1100 1150 1200 1250 1300 1350 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 10055 River = Rideau River Reach = DSManotick RS = 9955 River = Rideau River Reach = DSManotick RS = 9860
.08 .035 .08 .08 .035 .08 . .035 . 82 82 82 0 0 Legend Legend 8 8 Legend 80 EG 100 Yr 80 EG 100 Yr 80 EG 100 Yr 78 WS 100 Yr WS 100 Yr WS 100 Yr 78 78 76 Ground Ground Ground 76 76 Bank Sta Bank Sta Bank Sta 74 Elevation (m) Elevation (m) Elevation (m) 74 74 72
70 72 72
68 70 70 950 1000 1050 1100 1150 1200 1250 900 950 1000 1050 1100 1150 1200 980 1000 1020 1040 1060 1080 1100 1120 1140 1160 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 9665 River = Rideau River Reach = DSManotick RS = 9410 River = Rideau River Reach = DSManotick RS = 9200
.08 .035 . .08 .035 .08 . .035 .08 82 0 82 82 0 8 Legend Legend 8 Legend 80 EG 100 Yr 80 EG 100 Yr 80 EG 100 Yr
WS 100 Yr 78 WS 100 Yr 78 WS 100 Yr 78 Ground 76 Ground 76 Ground 76 Bank Sta Bank Sta Bank Sta 74 74 Elevation (m) Elevation (m) 74 Elevation (m) 72 72
72 70 70
70 68 68 950 1000 1050 1100 1150 1200 980 1000 1020 1040 1060 1080 1100 1120 980 1000 1020 1040 1060 1080 1100 1120 1140
Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 8960 River = Rideau River Reach = DSManotick RS = 8840 River = Rideau River Reach = DSManotick RS = 8590
. .035 .08 . .035 .08 . .035 .08 82 0 81 0 82 0 8 Legend 8 Legend 8 Legend 80 80 EG 100 Yr EG 100 Yr 80 EG 100 Yr 79 WS 100 Yr WS 100 Yr WS 100 Yr 78 78 Ground Ground 78 Ground 76 77 Bank Sta Bank Sta Bank Sta 76 76 Elevation (m) 74 Elevation (m) Elevation (m) 75 74 72 74
70 73 72 980 1000 1020 1040 1060 1080 1100 1120 1140 950 1000 1050 1100 1150 1200 950 1000 1050 1100 1150 1200 1250 1300
Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 8400 River = Rideau River Reach = DSManotick RS = 8325 River = Rideau River Reach = DSManotick RS = 8245
. .035 .08 . .035 .08 . .035 .08 80 0 82 0 80 0 8 Legend 8 Legend 8 Legend 78 80 EG 100 Yr EG 100 Yr 78 EG 100 Yr WS 100 Yr 78 WS 100 Yr WS 100 Yr 76 Ground 76 Ground 76 Ground 74 Bank Sta Bank Sta Bank Sta 74 74 Elevation (m) Elevation (m) 72 Elevation (m) 72 72 70 70
68 68 70 900 1000 1100 1200 1300 1400 900 1000 1100 1200 1300 1400 950 1000 1050 1100 1150 1200 1250 1300 1350 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 8060 River = Rideau River Reach = DSManotick RS = 7915 River = Rideau River Reach = DSManotick RS = 7725
. .035 .08 . .035 .08 . .035 .08 82 0 82 0 82 0 8 Legend 8 Legend 8 Legend 80 80 EG 100 Yr EG 100 Yr 80 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 78 78 Ground Ground 78 Ground 76 76 Bank Sta Bank Sta Bank Sta 76 Elevation (m) Elevation (m) 74 Elevation (m) 74
74 72 72
70 70 72 950 1000 1050 1100 1150 1200 1250 1300 1350 950 1000 1050 1100 1150 1200 1250 1300 950 1000 1050 1100 1150 1200 1250
Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 7500 River = Rideau River Reach = DSManotick RS = 7260 River = Rideau River Reach = DSManotick RS = 6955
.08 .035 . .08 .035 .08 . .035 . 81 0 80 80 0 0 8 Legend Legend 8 8 Legend 80 79 EG 100 Yr 79 EG 100 Yr EG 100 Yr 79 78 WS 100 Yr 78 WS 100 Yr WS 100 Yr 78 77 Ground 77 Ground Ground 77 76 Bank Sta Bank Sta Bank Sta 76 76 75 Elevation (m) Elevation (m) Elevation (m) 75 75 74
74 74 73
73 73 72 960 980 1000 1020 1040 1060 1080 1100 1120 1140 900 950 1000 1050 1100 1150 950 1000 1050 1100 1150 1200
Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 6755 River = Rideau River Reach = DSManotick RS = 6680 River = Rideau River Reach = DSManotick RS = 6646 IS
. .035 .08 . .035 .08 . .035 .08 84 0 84 0 84 0 8 Legend 8 Legend 8 Legend 82 EG 100 Yr 82 EG 100 Yr 82 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 80 80 80 Ground Ground Ground 78 78 78 Bank Sta Bank Sta Bank Sta Elevation (m) Elevation (m) 76 Elevation (m) 76 76
74 74 74
72 72 72 950 1000 1050 1100 1150 1200 1250 950 1000 1050 1100 1150 1200 1250 950 1000 1050 1100 1150 1200 1250 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 6615 River = Rideau River Reach = DSManotick RS = 6560 River = Rideau River Reach = DSManotick RS = 6430
.08 .035 . . .03 . .08 .03 . 80 0 80 0 0 80 0 8 Legend 8 8 Legend 8 Legend 79 EG 100 Yr EG 100 Yr 78 EG 100 Yr 78 78 WS 100 Yr WS 100 Yr WS 100 Yr 77 Ground Ground 76 Ground 76 76 Bank Sta Bank Sta Bank Sta 75 74 Elevation (m) Elevation (m) Elevation (m) 74 74 72 73
72 72 70 900 950 1000 1050 1100 1150 1200 950 1000 1050 1100 1150 1200 1250 800 900 1000 1100 1200 1300
Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 6210 River = Rideau River Reach = DSManotick RS = 5940 River = Rideau River Reach = DSManotick RS = 5560
. .03 . . .03 . .08 .03 . 80 0 0 80 0 0 80 0 8 8 Legend 8 8 Legend 8 Legend 78 78 EG 100 Yr 78 EG 100 Yr EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 76 76 Ground 76 Ground Ground 74 74 Bank Sta Bank Sta Bank Sta 74
Elevation (m) 72 Elevation (m) Elevation (m) 72
72 70 70
68 70 68 950 1000 1050 1100 1150 1200 1250 980 1000 1020 1040 1060 1080 1100 1120 1140 960 980 1000 1020 1040 1060 1080 1100 1120
Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 5205 River = Rideau River Reach = DSManotick RS = 5100 River = Rideau River Reach = DSManotick RS = 5087 BR
.08 .03 . .08 .03 .08 .08 .03 .08 80 0 100 100 8 Legend Legend Legend 78 EG 100 Yr 95 EG 100 Yr 95 EG 100 Yr 76 WS 100 Yr 90 WS 100 Yr 90 WS 100 Yr
74 Ground 85 Ground 85 Ground Bank Sta Bank Sta Bank Sta 72 80 80 Elevation (m) Elevation (m) Elevation (m) 70 75 75
68 70 70
66 65 65 850 900 950 1000 1050 1100 1150 950 1000 1050 1100 1150 1200 950 1000 1050 1100 1150 1200 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 5087 BR River = Rideau River Reach = DSManotick RS = 5075 River = Rideau River Reach = DSManotick RS = 4980
.08 .03 .08 .08 .03 .08 . .03 .08 100 100 80 0 Legend Legend 8 Legend 95 EG 100 Yr 95 EG 100 Yr 78 EG 100 Yr
90 WS 100 Yr 90 WS 100 Yr 76 WS 100 Yr
85 Ground 85 Ground 74 Ground Bank Sta Bank Sta Bank Sta 80 80 72 Elevation (m) Elevation (m) Elevation (m) 75 75 70
70 70 68
65 65 66 950 1000 1050 1100 1150 1200 950 1000 1050 1100 1150 1200 980 1000 1020 1040 1060 1080 1100 1120
Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 4810 River = Rideau River Reach = DSManotick RS = 4555 River = Rideau River Reach = DSManotick RS = 4320
.08 .03 . .08 .03 . .08 .03 . 80 0 80 0 80 0 8 Legend 8 Legend 8 Legend 78 EG 100 Yr 78 EG 100 Yr 78 EG 100 Yr WS 100 Yr 76 WS 100 Yr WS 100 Yr 76 76 Ground 74 Ground Ground 74 74 Bank Sta Bank Sta Bank Sta 72
Elevation (m) 72 Elevation (m) Elevation (m) 72 70
70 68 70
68 66 68 960 980 1000 1020 1040 1060 1080 1100 850 900 950 1000 1050 1100 1150 850 900 950 1000 1050 1100 1150 1200 1250
Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 4015 River = Rideau River Reach = DSManotick RS = 3750 River = Rideau River Reach = DSManotick RS = 3640
.08 .03 . .08 .03 . .08 .03 .08 80 0 80 0 90 8 Legend 8 Legend Legend 78 EG 100 Yr 78 EG 100 Yr EG 100 Yr 85 WS 100 Yr WS 100 Yr WS 100 Yr 76 Ground 76 Ground Ground 74 80 Bank Sta Bank Sta Bank Sta 74 Elevation (m) Elevation (m) 72 Elevation (m) 75 72 70
68 70 70 900 950 1000 1050 1100 1150 960 980 1000 1020 1040 1060 1080 1100 850 900 950 1000 1050 1100 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 3635 BR River = Rideau River Reach = DSManotick RS = 3635 BR River = Rideau River Reach = DSManotick RS = 3630
.08 .03 .08 .08 .03 .08 .08 .03 .08 90 90 90 Legend Legend Legend
EG 100 Yr EG 100 Yr EG 100 Yr 85 85 85 WS 100 Yr WS 100 Yr WS 100 Yr Ground Ground Ground 80 80 80 Bank Sta Bank Sta Bank Sta Elevation (m) Elevation (m) Elevation (m) 75 75 75
70 70 70 850 900 950 1000 1050 1100 850 900 950 1000 1050 1100 850 900 950 1000 1050 1100
Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 3535 River = Rideau River Reach = DSManotick RS = 3335 River = Rideau River Reach = DSManotick RS = 3065
.08 .03 . .08 .03 . .08 .03 . 80 0 80 0 80 0 8 Legend 8 Legend 8 Legend
78 EG 100 Yr 78 EG 100 Yr 78 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 76 Ground 76 Ground 76 Ground Bank Sta Bank Sta Bank Sta 74 74 74 Elevation (m) Elevation (m) Elevation (m)
72 72 72
70 70 70 920 940 960 980 1000 1020 1040 1060 1080 1100 900 950 1000 1050 1100 1150 800 850 900 950 1000 1050 1100 1150
Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 2780 River = Rideau River Reach = DSManotick RS = 2440 River = Rideau River Reach = DSManotick RS = 2290
.08 .03 . .08 .03 . .08 .03 . 80 0 80 0 80 0 8 Legend 8 Legend 8 Legend 78 78 EG 100 Yr EG 100 Yr 78 EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 76 76 Ground Ground 76 Ground 74 Bank Sta Bank Sta Bank Sta 74 74 Elevation (m) Elevation (m) Elevation (m) 72
72 72 70
70 68 70 900 950 1000 1050 1100 1150 800 850 900 950 1000 1050 1100 1150 900 950 1000 1050 1100 1150 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 2085 River = Rideau River Reach = DSManotick RS = 1950 River = Rideau River Reach = DSManotick RS = 1815
.08 .03 . .08 .03 . .08 .03 . 80 0 80 0 80 0 8 Legend 8 Legend 8 Legend EG 100 Yr EG 100 Yr EG 100 Yr 78 78 78 WS 100 Yr WS 100 Yr WS 100 Yr Ground Ground Ground 76 76 76 Bank Sta Bank Sta Bank Sta Elevation (m) Elevation (m) Elevation (m) 74 74 74
72 72 72 920 940 960 980 1000 1020 1040 1060 1080 1100 1120 940 960 980 1000 1020 1040 1060 1080 1100 940 960 980 1000 1020 1040 1060 1080 1100 1120
Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 1690 River = Rideau River Reach = DSManotick RS = 1545 River = Rideau River Reach = DSManotick RS = 1415
.08 .03 . .08 .03 . .08 .03 .08 80 0 78 0 80 8 Legend 8 Legend Legend 77 EG 100 Yr EG 100 Yr 78 EG 100 Yr 78 WS 100 Yr 76 WS 100 Yr WS 100 Yr
Ground 75 Ground 76 Ground 76 Bank Sta Bank Sta Bank Sta 74 74 Elevation (m) Elevation (m) Elevation (m) 73 74 72 72
72 71 70 960 980 1000 1020 1040 1060 1080 1100 960 980 1000 1020 1040 1060 1080 1100 950 1000 1050 1100 1150 1200
Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 1285 River = Rideau River Reach = DSManotick RS = 1150 River = Rideau River Reach = DSManotick RS = 825
. .03 . . .03 . .08 .03 . 78 0 0 80 0 0 78 0 8 8 Legend 8 8 Legend 8 Legend 78 76 76 EG 100 Yr EG 100 Yr EG 100 Yr WS 100 Yr WS 100 Yr WS 100 Yr 76 74 74 Ground Ground Ground 74 72 Bank Sta Bank Sta Bank Sta 72 Elevation (m) Elevation (m) Elevation (m) 72 70
70 70 68
68 68 66 950 1000 1050 1100 1150 1200 1250 1300 900 1000 1100 1200 1300 1400 800 900 1000 1100 1200 1300 1400 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 510 River = Rideau River Reach = DSManotick RS = 380 River = Rideau River Reach = DSManotick RS = 200
.08 .03 . .08 .03 . .08 .03 . 78 0 78 0 78 0 8 Legend 8 Legend 8 Legend 76 76 EG 100 Yr EG 100 Yr 76 EG 100 Yr 74 74 WS 100 Yr WS 100 Yr 74 WS 100 Yr 72 72 Ground Ground 72 Ground 70 Bank Sta Bank Sta Bank Sta 70 70 68 Elevation (m) Elevation (m) Elevation (m) 68 68 66
66 64 66
64 62 64 850 900 950 1000 1050 1100 1150 1200 1250 800 850 900 950 1000 1050 1100 1150 1200 900 950 1000 1050 1100 1150 1200 1250 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = 105 River = Rideau River Reach = DSManotick RS = 50 River = Rideau River Reach = DSManotick RS = 0 .08 .03 .08 .08 .03 .08 .015 78 78 76 Legend Legend Legend 76 75 EG 100 Yr 76 EG 100 Yr EG 100 Yr 74 WS 100 Yr WS 100 Yr 74 WS 100 Yr
72 Ground 74 Ground 73 Ground Bank Sta Bank Sta Bank Sta 70 72 72 Elevation (m) Elevation (m) Elevation (m) 68 71 70 66 70
64 68 69 900 950 1000 1050 1100 1150 940 960 980 1000 1020 1040 1060 1080 1100 900 910 920 930 940 950 960 970 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = -12 River = Rideau River Reach = DSManotick RS = -23 IS River = Rideau River Reach = DSManotick RS = -33
.015 .015 .15 .09 .135 76 77 78 Legend Legend Legend 75 76 EG 100 Yr EG 100 Yr 76 EG 100 Yr 75 74 WS 100 Yr WS 100 Yr WS 100 Yr 74 73 Ground Ground 74 Ground 73 Bank Sta Bank Sta Bank Sta 72 72 72 Elevation (m) Elevation (m) Elevation (m) 71 71 70 70 70
69 69 68 900 910 920 930 940 950 960 970 890 900 910 920 930 940 950 960 970 1000 1020 1040 1060 1080 1100 1120 Station (m) Station (m) Station (m) River = Rideau River Reach = DSManotick RS = -74.7
. .08 .135 76 1 5 Legend
74 EG 100 Yr WS 100 Yr 72 Ground Bank Sta 70 Elevation (m)
68
66 630 640 650 660 670 680 690 Station (m) Table A.1 Manning's n per Cross Section. Cross Section Reach Left Overbank Channel Right Overbank (m) 29000.00 USManotick 0.08 0.035 0.08 28727.00 USManotick 0.08 0.035 0.08 28715.00 USManotick 0.08 0.035 0.08 28435.00 USManotick 0.08 0.035 0.08 28245.00 USManotick 0.08 0.035 0.08 28075 USManotick 0.08 0.035 0.08 27870 USManotick 0.08 0.035 0.08 27540 USManotick 0.08 0.035 0.08 27160 USManotick 0.08 0.035 0.08 26830 USManotick 0.08 0.035 0.08 26545 USManotick 0.08 0.035 0.08 26230 USManotick 0.08 0.035 0.08 26060 USManotick 0.08 0.035 0.08 25810 USManotick 0.08 0.035 0.08 25500 USManotick 0.08 0.035 0.08 25300 USManotick 0.08 0.035 0.08 25110 USManotick 0.08 0.035 0.08 24680 USManotick 0.08 0.035 0.08 24560 USManotick 0.08 0.035 0.08 24350 USManotick 0.08 0.035 0.08 24165 USManotick 0.08 0.035 0.08 24000 USManotick 0.08 0.035 0.08 23780 USManotick 0.08 0.035 0.08 23615 USManotick 0.08 0.035 0.08 23400 USManotick 0.08 0.035 0.08 23130 USManotick 0.08 0.035 0.08 22840 USManotick 0.08 0.035 0.08 22350 USManotick 0.08 0.035 0.08 22015 USManotick 0.08 0.035 0.08 21765 USManotick 0.08 0.035 0.08 21505 USManotick 0.08 0.035 0.08 21275 USManotick 0.08 0.035 0.08 21115 USManotick 0.08 0.035 0.08 20890 USManotick 0.08 0.035 0.08 20515 USManotick 0.08 0.035 0.08 20200 USManotick 0.08 0.035 0.08 19890 East Branch 0.08 0.03 0.08 19715 East Branch 0.08 0.03 0.08 19490 East Branch 0.08 0.03 0.08 19180 East Branch 0.08 0.03 0.08 18870 East Branch 0.08 0.03 0.08 18695 East Branch 0.08 0.03 0.08 18325 East Branch 0.08 0.03 0.08 18196 East Branch 0.08 0.03 0.08 18185 East Branch 0.08 0.03 0.08 18135 East Branch 0.08 0.03 0.08 17925 East Branch 0.08 0.03 0.08 17920 East Branch 0.08 0.03 0.08 17720 East Branch 0.08 0.03 0.08 17460 East Branch 0.08 0.03 0.08 17170 East Branch 0.08 0.03 0.08 16820 East Branch 0.08 0.03 0.08 16515 East Branch 0.08 0.03 0.08 16430 East Branch 0.08 0.03 0.08 16130 East Branch 0.08 0.03 0.08 16030 East Branch 0.08 0.03 0.08 15770 East Branch 0.08 0.03 0.08 15570 East Branch 0.08 0.03 0.08 15452 East Branch 0.08 0.03 0.08 15425 East Branch 0.08 0.03 0.08 20090 West Branch 0.08 0.035 0.08 19945 West Branch 0.08 0.035 0.08 19815 West Branch 0.08 0.035 0.08 19690 West Branch 0.08 0.035 0.08 19530 West Branch 0.08 0.035 0.08 19360 West Branch 0.08 0.035 0.08 19025 West Branch 0.08 0.035 0.08 18885 West Branch 0.08 0.035 0.08 18825 West Branch 0.08 0.035 0.08 18759 West Branch 0.08 0.035 0.08 18716 West Branch 0.08 0.035 0.08 18709 West Branch 0.08 0.035 0.08 18634 West Branch 0.08 0.035 0.08 18620 West Branch 0.08 0.035 0.08 18490 West Branch 0.08 0.035 0.08 18270 West Branch 0.08 0.035 0.08 17975 West Branch 0.08 0.035 0.08 17785 West Branch 0.08 0.035 0.08 17595 West Branch 0.08 0.035 0.08 17375 West Branch 0.08 0.035 0.08 17040 West Branch 0.08 0.035 0.08 16860 West Branch 0.08 0.035 0.08 16510 West Branch 0.08 0.035 0.08 16177 West Branch 0.08 0.035 0.08 15862 West Branch 0.08 0.035 0.08 15850 West Branch 0.08 0.035 0.08 15740 West Branch 0.08 0.035 0.08 15600 West Branch 0.08 0.035 0.08 15420 West Branch 0.08 0.035 0.08 15350 DSManotick 0.08 0.035 0.08 15260 DSManotick 0.08 0.035 0.08 15190 DSManotick 0.08 0.035 0.08 15080 DSManotick 0.08 0.035 0.08 14875 DSManotick 0.08 0.035 0.08 14625 DSManotick 0.08 0.035 0.08 14400 DSManotick 0.08 0.035 0.08 14305 DSManotick 0.08 0.035 0.08 14210 DSManotick 0.08 0.035 0.08 14060 DSManotick 0.08 0.035 0.08 13920 DSManotick 0.08 0.035 0.08 13730 DSManotick 0.08 0.035 0.08 13465 DSManotick 0.08 0.035 0.08 13255 DSManotick 0.08 0.035 0.08 13045 DSManotick 0.08 0.035 0.08 12855 DSManotick 0.08 0.035 0.08 12685 DSManotick 0.08 0.035 0.08 12610 DSManotick 0.08 0.035 0.08 12510 DSManotick 0.08 0.035 0.08 12315 DSManotick 0.08 0.035 0.08 12100 DSManotick 0.08 0.035 0.08 11795 DSManotick 0.08 0.035 0.08 11480 DSManotick 0.08 0.035 0.08 11215 DSManotick 0.08 0.035 0.08 10895 DSManotick 0.08 0.035 0.08 10575 DSManotick 0.08 0.035 0.08 10365 DSManotick 0.08 0.035 0.08 10105 DSManotick 0.08 0.035 0.08 10055 DSManotick 0.08 0.035 0.08 9955 DSManotick 0.08 0.035 0.08 9860 DSManotick 0.08 0.035 0.08 9665 DSManotick 0.08 0.035 0.08 9410 DSManotick 0.08 0.035 0.08 9200 DSManotick 0.08 0.035 0.08 8960 DSManotick 0.08 0.035 0.08 8840 DSManotick 0.08 0.035 0.08 8590 DSManotick 0.08 0.035 0.08 8400 DSManotick 0.08 0.035 0.08 8325 DSManotick 0.08 0.035 0.08 8245 DSManotick 0.08 0.035 0.08 8060 DSManotick 0.08 0.035 0.08 7915 DSManotick 0.08 0.035 0.08 7725 DSManotick 0.08 0.035 0.08 7500 DSManotick 0.08 0.035 0.08 7260 DSManotick 0.08 0.035 0.08 6955 DSManotick 0.08 0.035 0.08 6755 DSManotick 0.08 0.035 0.08 6680 DSManotick 0.08 0.035 0.08 6615 DSManotick 0.08 0.035 0.08 6560 DSManotick 0.08 0.03 0.08 6430 DSManotick 0.08 0.03 0.08 6210 DSManotick 0.08 0.03 0.08 5940 DSManotick 0.08 0.03 0.08 5560 DSManotick 0.08 0.03 0.08 5205 DSManotick 0.08 0.03 0.08 5100 DSManotick 0.08 0.03 0.08 5075 DSManotick 0.08 0.03 0.08 4980 DSManotick 0.08 0.03 0.08 4810 DSManotick 0.08 0.03 0.08 4555 DSManotick 0.08 0.03 0.08 4320 DSManotick 0.08 0.03 0.08 4015 DSManotick 0.08 0.03 0.08 3750 DSManotick 0.08 0.03 0.08 3640 DSManotick 0.08 0.03 0.08 3630 DSManotick 0.08 0.03 0.08 3535 DSManotick 0.08 0.03 0.08 3335 DSManotick 0.08 0.03 0.08 3065 DSManotick 0.08 0.03 0.08 2780 DSManotick 0.08 0.03 0.08 2440 DSManotick 0.08 0.03 0.08 2290 DSManotick 0.08 0.03 0.08 2085 DSManotick 0.08 0.03 0.08 1950 DSManotick 0.08 0.03 0.08 1815 DSManotick 0.08 0.03 0.08 1690 DSManotick 0.08 0.03 0.08 1545 DSManotick 0.08 0.03 0.08 1415 DSManotick 0.08 0.03 0.08 1285 DSManotick 0.08 0.03 0.08 1150 DSManotick 0.08 0.03 0.08 825 DSManotick 0.08 0.03 0.08 510 DSManotick 0.08 0.03 0.08 380 DSManotick 0.08 0.03 0.08 200 DSManotick 0.08 0.03 0.08 105 DSManotick 0.08 0.03 0.08 50 DSManotick 0.08 0.03 0.08 0 DSManotick 0.08 0.015 0.08 ‐12 DSManotick 0.08 0.015 0.08 ‐33 DSManotick 0.15 0.09 0.135 ‐74.7 DSManotick 0.15 0.08 0.135
Appendix B
Field Verification of LIDAR Data
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 28 of 29 Patterson Creek 7 A QUEBEC 1 R 4 S N MY A Y TH D A R M W OA E H D S G R Lac Deschênes I A H S Y O Dows Lake V I N F L I S Rideau River (rivière Rideau) L R E H O E U R A N E Brewer Park Pond VE R O D A A G A N V D LI AD R E ON RO R A N HER U C SSEL U L RO E AD A I R P D O A HIGH RO WAY 4 R B 17 T LU C AD C O O P T R A N N IM R U R R H IT K O LE W Y A R Y O
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E I R V R D A S E A I O L O V R B A N IM I L O R R E IT E N O L R R A O O D A D A A D O D R LD IE F W OW L O L 8 A O F T D H R L O I N F E F
E L R I O A M V A E E D B N A U N E K J ONTARIO
O R C O D K A A O V R A D S L EN Jock River E W R O O CH A IT S D R M T ID A E G A E U C V O A A L L C E H Y D R H R O I G IV A H E D Figure B.1 Field Verification of Lidar W A AD Data Y O R 4 D 1 EL 6 FI D NK OA Middle Castor River BA R ND LA E Rideau River L ISegend IV E R AK D N B HY S A P R Survey Data Points N O I BR V K
E S R T
R R O E A E D T
H IG H W A Y 4 1 6 1:125,000 D Projection Note: NAD 1983 UTM Zone 1O8NA 4 ² R T Y H EN L T Created by: SNolan LDMate Modified: 10/30/2015 IN E A E RE D T R S Base-mapping and GIS services provided courtesy of the Rideau Valley O N Conservation Authority, under License with the Ontario Ministry of A AI D M Natural Resources © Queen's Printer for Ontario, 2013. Stevens Creek DE O These maps are the property of the RVCA, and the RVCA holds a copyright GO on them. These maps may be copied or reproduced by other parties provided OS that the RVCA is properly acknowledged as the original source of the information in any document, report or map in which this mapping is used, and provided that no fee is charged (other than to cover handling charges). While RVCA makes every effort to ensure that the information presented is Cranberry Creek sufficiently accurate for the intended uses of the map, there is an inherent margin of error in all mapping products, and the RVCA cannot guarantee the accuracy of the mapping for all possible uses. All end-users of the 0 0.5 1 2 3 4 5 6 7 8 9 10 information contained herein must therefore determine for themselves if the Kms information is of suitable accuracy for their purposes. Figure B.2 Field Verification of LIDAR Data for the Rideau River from Hogs Back to Kars. 100
75 (%)
Spot Heights
50 Probability
Cumulative 25
0 0.1 1 10 100 Discrepancy between LIDAR and Survey (cm) Table B.1 Field Verification of LIDAR Data (Spot Heights).
Lidar Points 2015 RVCA Field Survey ‐ Rideau River from Hogs Back to Kars Horizontal Veritcal Z |Z| Location ID Z (m) X (m) Y (m) Z (m) Date/Time Field Observations |Z|>0.33m Accuracy (m) Accuracy (m) (m) (cm) rideau‐1 79.81 445534.66 5024503.11 80.05 0.007 0.011 4/6/2013 9:42 ‐0.235 23.5 rideau‐2 79.74 445532.93 5024501.16 79.92 0.007 0.011 4/6/2013 9:42 ‐0.176 17.6 rideau‐3 79.67 445530.69 5024498.43 79.75 0.007 0.010 4/6/2013 9:43 ‐0.082 8.2 rideau‐4 79.65 445528.17 5024495.33 79.56 0.007 0.011 4/6/2013 9:43 0.093 9.3 rideau‐5 79.64 445525.99 5024492.04 79.37 0.007 0.011 4/6/2013 9:43 0.275 27.5 rideau‐8 79.20 445518.29 5024483.42 78.97 0.008 0.013 4/6/2013 9:45 0.233 23.3 rideau‐9 78.92 445516.09 5024479.18 78.84 0.009 0.013 4/6/2013 9:45 0.079 7.9 rideau‐10 78.36 445520.17 5024470.75 78.63 0.010 0.013 4/6/2013 9:46 ‐0.274 27.4 rideau‐11 78.10 445521.84 5024467.96 78.27 0.010 0.015 4/6/2013 9:46 ‐0.174 17.4 rideau‐12 77.83 445523.56 5024465.45 77.98 0.009 0.013 4/6/2013 9:46 ‐0.154 15.4 rideau‐13 77.58 445525.62 5024462.55 77.65 0.009 0.014 4/6/2013 9:47 ‐0.070 7.0 rideau‐14 77.23 445527.91 5024459.38 77.33 0.009 0.013 4/6/2013 9:47 ‐0.101 10.1 rideau‐15 77.06 445530.43 5024455.77 77.07 0.013 0.016 4/6/2013 9:48 ‐0.005 0.5 rideau‐16 76.79 445532.82 5024452.22 76.79 0.012 0.015 4/6/2013 9:48 0.001 0.1 rideau‐17 76.54 445535.48 5024448.07 76.48 0.011 0.019 4/6/2013 9:48 0.060 6.0 rideau‐18 67.70 445201.64 5025354.30 67.66 0.010 0.013 4/6/2013 9:59 0.036 3.6 rideau‐19 67.51 445203.60 5025356.55 67.49 0.011 0.014 4/6/2013 9:59 0.017 1.7 rideau‐20 67.38 445206.17 5025359.23 67.33 0.009 0.012 4/6/2013 10:00 0.051 5.1 rideau‐21 67.10 445208.45 5025361.81 67.18 0.009 0.012 4/6/2013 10:00 ‐0.084 8.4 rideau‐22 67.08 445211.06 5025364.61 67.03 0.009 0.013 4/6/2013 10:01 0.053 5.3 rideau‐23 66.76 445213.99 5025367.82 66.84 0.010 0.013 4/6/2013 10:01 ‐0.083 8.3 rideau‐24 66.68 445217.07 5025371.08 66.64 0.009 0.012 4/6/2013 10:01 0.043 4.3 rideau‐25 66.41 445220.40 5025374.58 66.46 0.011 0.015 4/6/2013 10:02 ‐0.049 4.9 rideau‐26 66.24 445223.40 5025377.86 66.24 0.012 0.016 4/6/2013 10:02 0.000 0.0 rideau‐27 66.14 445225.49 5025380.05 66.15 0.013 0.016 4/6/2013 10:03 ‐0.014 1.4 rideau‐28 66.00 445227.81 5025382.60 65.94 0.015 0.019 4/6/2013 10:03 0.061 6.1 rideau‐29 65.75 445230.22 5025384.88 65.87 0.013 0.019 4/6/2013 10:04 ‐0.115 11.5 rideau‐30 65.64 445232.93 5025388.03 65.71 0.010 0.020 4/6/2013 10:06 ‐0.071 7.1 spot1 76.8316 445518.73 5024346.22 76.94 0.008 0.013 5/22/2015 9:28 ‐0.108 10.8 spot2 77.175 445516.63 5024354.28 77.16 0.011 0.018 5/22/2015 9:29 0.016 1.6 spot3 77.4535 445514.85 5024362.98 77.44 0.014 0.02 5/22/2015 9:30 0.015 1.5 spot4 78.1024 445517.05 5024378.95 78.06 0.015 0.02 5/22/2015 9:31 0.040 4.0 spot5 78.2504 445521.98 5024387.59 78.23 0.014 0.019 5/22/2015 9:31 0.024 2.4 spot6 78.3531 445515.36 5024393.27 78.31 0.015 0.02 5/22/2015 9:32 0.047 4.7 spot7 78.4972 445508.21 5024398.03 78.47 0.013 0.019 5/22/2015 9:33 0.024 2.4 spot8 78.4474 445500.86 5024396.78 78.44 0.014 0.019 5/22/2015 9:34 0.009 0.9 spot9 78.4981 445494.14 5024393.96 78.42 0.014 0.019 5/22/2015 9:34 0.078 7.8 spot13 77.9937 445425.32 5024347.89 77.96 0.014 0.019 5/22/2015 9:37 0.037 3.7 spot14 77.8313 445414.50 5024341.05 77.78 0.014 0.019 5/22/2015 9:37 0.048 4.8 spot15 77.7565 445406.97 5024335.97 77.69 0.014 0.019 5/22/2015 9:37 0.067 6.7 spot16 77.7321 445398.92 5024330.71 77.67 0.015 0.02 5/22/2015 9:38 0.058 5.8 spot17 77.7078 445391.71 5024325.75 77.69 0.014 0.019 5/22/2015 9:38 0.017 1.7 spot18 77.6826 445383.45 5024318.72 77.69 0.015 0.019 5/22/2015 9:40 ‐0.006 0.6 spot19 77.606 445375.48 5024313.43 77.64 0.015 0.02 5/22/2015 9:40 ‐0.031 3.1 spot20 77.7673 445363.24 5024304.89 77.65 0.014 0.019 5/22/2015 9:41 0.114 11.4 spot21 77.5638 445358.89 5024296.54 77.54 0.014 0.019 5/22/2015 9:41 0.024 2.4 spot22 77.1953 445356.69 5024288.76 77.18 0.014 0.019 5/22/2015 9:42 0.018 1.8 spot23 76.5255 445354.33 5024279.70 76.53 0.014 0.02 5/22/2015 9:42 ‐0.008 0.8 spot24 75.7095 445358.05 5024268.23 75.68 0.013 0.019 5/22/2015 9:42 0.032 3.2 spot25 75.8048 445339.14 5024266.42 75.76 0.013 0.019 5/22/2015 9:43 0.050 5.0 spot26 90.2282 445573.27 5020834.27 90.17 0.007 0.011 5/22/2015 10:14 0.063 6.3 spot27 90.0845 445579.51 5020827.10 90.03 0.007 0.011 5/22/2015 10:15 0.058 5.8 spot28 90.006 445582.08 5020818.17 89.91 0.007 0.012 5/22/2015 10:15 0.100 10.0 spot29 89.9728 445578.42 5020810.02 89.92 0.009 0.015 5/22/2015 10:15 0.050 5.0 spot30 89.9072 445569.00 5020811.37 89.90 0.007 0.013 5/22/2015 10:16 0.011 1.1 spot31 89.9622 445566.13 5020819.28 89.93 0.008 0.013 5/22/2015 10:16 0.029 2.9 spot32 90.2038 445571.86 5020837.91 90.18 0.008 0.014 5/22/2015 10:17 0.024 2.4 spot33 90.3056 445573.39 5020846.23 90.30 0.008 0.014 5/22/2015 10:17 0.009 0.9 spot34 90.4131 445575.07 5020855.20 90.37 0.009 0.016 5/22/2015 10:17 0.040 4.0 spot35 90.5056 445576.91 5020863.73 90.48 0.01 0.016 5/22/2015 10:18 0.031 3.1 spot36 90.5869 445579.22 5020872.49 90.55 0.008 0.015 5/22/2015 10:18 0.035 3.5 spot37 90.6799 445583.27 5020880.84 90.65 0.008 0.015 5/22/2015 10:18 0.033 3.3 spot38 90.8078 445588.68 5020887.63 90.74 0.01 0.017 5/22/2015 10:18 0.065 6.5 spot39 90.8897 445595.03 5020893.04 90.89 0.009 0.016 5/22/2015 10:19 0.001 0.1 spot40 90.9529 445604.33 5020899.13 90.91 0.009 0.017 5/22/2015 10:19 0.044 4.4 spot41 88.6571 445213.91 5013522.94 88.54 0.009 0.015 5/22/2015 10:31 0.113 11.3 spot42 88.7778 445206.48 5013526.31 88.63 0.01 0.018 5/22/2015 10:31 0.152 15.2 spot43 88.7462 445201.51 5013528.37 88.71 0.011 0.019 5/22/2015 10:32 0.036 3.6 spot44 88.8936 445195.32 5013531.01 88.80 0.012 0.02 5/22/2015 10:32 0.099 9.9 spot45 88.9513 445189.73 5013532.34 88.90 0.011 0.019 5/22/2015 10:33 0.051 5.1 spot46 88.8406 445196.88 5013538.49 88.85 0.012 0.02 5/22/2015 10:36 ‐0.009 0.9 spot47 88.7133 445204.71 5013534.78 88.69 0.012 0.02 5/22/2015 10:37 0.023 2.3 spot48 88.759 445212.65 5013531.18 88.56 0.012 0.02 5/22/2015 10:37 0.197 19.7 spot49 88.6439 445219.55 5013536.49 88.52 0.012 0.02 5/22/2015 10:38 0.124 12.4 spot50 88.741 445211.58 5013540.29 88.62 0.012 0.02 5/22/2015 10:38 0.118 11.8 spot51 88.8338 445204.34 5013543.69 88.75 0.011 0.02 5/22/2015 10:38 0.085 8.5 spot52 88.9393 445199.49 5013549.11 88.88 0.011 0.019 5/22/2015 10:39 0.055 5.5 spot53 88.7687 445207.08 5013550.67 88.72 0.012 0.02 5/22/2015 10:40 0.046 4.6 spot54 88.6572 445221.10 5013555.23 88.57 0.012 0.02 5/22/2015 10:41 0.091 9.1 spot55 88.704 445230.52 5013555.95 88.56 0.012 0.02 5/22/2015 10:42 0.148 14.8 spot56 88.2856 445240.69 5013564.13 88.17 0.012 0.02 5/22/2015 10:43 0.121 12.1 spot57 88.2917 445252.06 5013571.36 88.24 0.012 0.02 5/22/2015 10:44 0.057 5.7 spot58 88.3677 445260.98 5013583.19 88.34 0.012 0.02 5/22/2015 10:44 0.029 2.9 spot59 88.4592 445266.42 5013592.78 88.43 0.012 0.02 5/22/2015 10:45 0.027 2.7 spot60 88.4719 445270.07 5013604.02 88.43 0.012 0.02 5/22/2015 10:46 0.041 4.1 spot61 88.5147 445270.91 5013612.57 88.43 0.013 0.02 5/22/2015 10:47 0.081 8.1 spot62 88.3725 445271.36 5013637.82 88.28 0.011 0.018 5/22/2015 10:48 0.091 9.1 spot63 88.3529 445272.40 5013646.28 88.30 0.011 0.018 5/22/2015 10:48 0.052 5.2 spot64 88.3377 445273.59 5013655.11 88.32 0.011 0.018 5/22/2015 10:49 0.015 1.5 spot65 88.3304 445275.15 5013661.17 88.30 0.012 0.02 5/22/2015 10:49 0.026 2.6 spot66 89.3727 445267.14 5011107.80 89.23 0.011 0.018 5/22/2015 10:58 0.140 14.0 spot67 89.1734 445256.90 5011104.91 89.09 0.011 0.018 5/22/2015 10:59 0.088 8.8 spot68 89.1609 445250.59 5011101.14 89.04 0.011 0.018 5/22/2015 10:59 0.126 12.6 spot69 89.0727 445244.89 5011098.05 88.95 0.011 0.018 5/22/2015 11:00 0.120 12.0 spot70 89.0035 445239.12 5011095.08 88.84 0.011 0.019 5/22/2015 11:00 0.165 16.5 spot71 88.9063 445233.02 5011091.83 88.73 0.011 0.018 5/22/2015 11:01 0.178 17.8 spot72 88.7857 445227.56 5011088.75 88.63 0.011 0.018 5/22/2015 11:01 0.153 15.3 spot73 88.6477 445221.05 5011085.23 88.50 0.011 0.018 5/22/2015 11:01 0.151 15.1 spot74 88.5404 445214.96 5011081.77 88.33 0.01 0.019 5/22/2015 11:02 0.209 20.9 spot75 88.32 445207.25 5011077.68 88.14 0.012 0.02 5/22/2015 11:02 0.185 18.5 spot76 88.1595 445201.61 5011074.42 88.04 0.012 0.02 5/22/2015 11:05 0.124 12.4 spot77 87.9836 445193.46 5011069.82 87.92 0.012 0.02 5/22/2015 11:06 0.060 6.0 spot78 87.9826 445184.91 5011065.61 87.80 0.012 0.02 5/22/2015 11:06 0.184 18.4 spot79 87.9327 445176.46 5011061.08 87.73 0.012 0.02 5/22/2015 11:07 0.207 20.7 spot80 87.9317 445169.38 5011057.09 87.75 0.012 0.02 5/22/2015 11:07 0.185 18.5 spot81 86.3562 444825.33 5010983.84 86.19 0.01 0.016 5/22/2015 11:10 0.162 16.2 spot82 86.4763 444830.31 5010989.71 86.33 0.011 0.019 5/22/2015 11:10 0.148 14.8 spot83 86.6958 444807.06 5011003.96 86.61 0.012 0.019 5/22/2015 11:12 0.088 8.8 spot84 86.801 444814.37 5010999.76 86.65 0.012 0.02 5/22/2015 11:12 0.151 15.1 spot85 86.7772 444823.19 5010998.31 86.64 0.012 0.02 5/22/2015 11:13 0.136 13.6 spot86 86.7085 444833.78 5010997.03 86.56 0.012 0.02 5/22/2015 11:14 0.145 14.5 spot87 86.7079 444843.75 5010996.99 86.54 0.012 0.02 5/22/2015 11:16 0.167 16.7 spot88 86.604 444851.57 5010997.51 86.49 0.012 0.02 5/22/2015 11:17 0.115 11.5 spot89 86.5339 444864.97 5010999.69 86.42 0.012 0.02 5/22/2015 11:19 0.110 11.0 spot90 86.5967 444881.21 5011006.25 86.41 0.012 0.02 5/22/2015 11:23 0.187 18.7 spot91 90.0077 446619.05 5009214.92 89.97 0.012 0.02 5/22/2015 11:37 0.038 3.8 spot92 89.8048 446627.33 5009212.96 89.78 0.011 0.019 5/22/2015 11:37 0.027 2.7 spot93 89.6475 446635.44 5009209.35 89.58 0.012 0.02 5/22/2015 11:37 0.066 6.6 spot94 89.3938 446637.73 5009201.31 89.34 0.011 0.018 5/22/2015 11:38 0.052 5.2 spot95 89.1414 446637.09 5009191.76 89.07 0.011 0.018 5/22/2015 11:38 0.070 7.0 spot96 89.2166 446632.20 5009194.80 89.15 0.01 0.016 5/22/2015 11:43 0.068 6.8 spot97 89.5759 446627.02 5009202.83 89.50 0.01 0.016 5/22/2015 11:43 0.075 7.5 spot98 90.1268 446609.03 5009207.17 90.13 0.01 0.016 5/22/2015 11:44 ‐0.002 0.2 spot99 90.383 446604.02 5009213.28 90.38 0.011 0.018 5/22/2015 11:44 0.006 0.6 spot100 90.51 446599.64 5009218.13 90.49 0.011 0.017 5/22/2015 11:45 0.025 2.5 spot101 90.6689 446594.00 5009224.17 90.63 0.009 0.016 5/22/2015 11:45 0.042 4.2 spot102 90.8052 446588.53 5009229.32 90.75 0.01 0.016 5/22/2015 11:45 0.051 5.1 spot103 90.8474 446583.43 5009227.96 90.83 0.01 0.018 5/22/2015 11:46 0.021 2.1 spot104 90.855 446583.26 5009216.23 90.79 0.012 0.017 5/22/2015 11:46 0.061 6.1 spot105 90.6109 446581.51 5009207.95 90.61 0.011 0.017 5/22/2015 11:46 0.005 0.5 spot106 90.275 446578.59 5009200.47 90.26 0.011 0.017 5/22/2015 11:47 0.016 1.6 spot107 89.9754 446574.42 5009193.65 89.96 0.011 0.017 5/22/2015 11:47 0.019 1.9 spot108 89.7747 446567.98 5009187.88 89.81 0.013 0.017 5/22/2015 11:47 ‐0.035 3.5 spot109 89.6534 446560.01 5009183.45 89.58 0.011 0.018 5/22/2015 11:48 0.069 6.9 spot110 89.3961 446551.76 5009178.62 89.38 0.011 0.018 5/22/2015 11:48 0.013 1.3 spot111 89.0897 446542.83 5009173.25 89.05 0.011 0.018 5/22/2015 11:48 0.044 4.4 spot112 88.5244 446532.87 5009167.72 88.54 0.011 0.018 5/22/2015 11:48 ‐0.019 1.9 spot113 88.1792 446524.30 5009165.04 88.16 0.012 0.019 5/22/2015 11:49 0.020 2.0 spot114 87.3969 446498.56 5009159.36 87.35 0.012 0.019 5/22/2015 11:50 0.052 5.2 spot115 88.235 446510.42 5009175.05 88.19 0.013 0.02 5/22/2015 11:52 0.041 4.1 spot116 89.9045 446607.19 5008781.58 89.76 0.013 0.02 5/22/2015 12:00 0.141 14.1 spot117 89.809 446603.40 5008789.70 89.74 0.012 0.019 5/22/2015 12:01 0.069 6.9 spot118 89.8422 446607.66 5008796.34 89.73 0.012 0.019 5/22/2015 12:02 0.114 11.4 spot119 89.7655 446612.74 5008801.89 89.66 0.012 0.018 5/22/2015 12:02 0.103 10.3 spot120 89.7823 446619.55 5008798.25 89.66 0.013 0.02 5/22/2015 12:03 0.122 12.2 spot121 89.7536 446625.78 5008794.82 89.63 0.013 0.02 5/22/2015 12:03 0.122 12.2 spot122 89.7644 446632.57 5008789.09 89.63 0.013 0.02 5/22/2015 12:03 0.132 13.2 spot123 89.8551 446638.28 5008782.80 89.78 0.013 0.02 5/22/2015 12:03 0.075 7.5 spot124 89.9686 446632.87 5008775.72 89.82 0.013 0.02 5/22/2015 12:06 0.146 14.6 spot125 90.0122 446628.36 5008769.58 89.90 0.013 0.02 5/22/2015 12:06 0.117 11.7 spot126 90.0542 446622.95 5008762.40 89.92 0.013 0.02 5/22/2015 12:07 0.133 13.3 spot127 90.0586 446618.04 5008755.16 89.92 0.013 0.02 5/22/2015 12:09 0.139 13.9 spot128 89.8928 446623.89 5008747.89 89.88 0.013 0.02 5/22/2015 12:11 0.011 1.1 spot129 89.8972 446632.21 5008742.12 89.86 0.013 0.02 5/22/2015 12:13 0.035 3.5 spot130 90.1098 446635.25 5008728.28 90.12 0.012 0.02 5/22/2015 12:16 ‐0.008 0.8 spot131 90.2369 446642.96 5008722.15 90.13 0.012 0.02 5/22/2015 12:19 0.111 11.1 spot157 83.7971 444559.60 5012535.10 83.72 0.012 0.02 5/22/2015 13:21 0.079 7.9 spot158 83.678 444562.31 5012541.68 83.64 0.012 0.018 5/22/2015 13:22 0.043 4.3 spot159 83.6669 444564.82 5012549.19 83.57 0.012 0.02 5/22/2015 13:22 0.097 9.7 spot160 83.4693 444567.64 5012556.57 83.46 0.012 0.019 5/22/2015 13:22 0.014 1.4 spot161 83.2254 444575.53 5012577.84 83.16 0.013 0.02 5/22/2015 13:25 0.064 6.4 spot162 83.222 444578.89 5012585.59 83.13 0.014 0.02 5/22/2015 13:25 0.097 9.7 spot163 83.1547 444581.56 5012593.35 83.10 0.012 0.02 5/22/2015 13:26 0.052 5.2 spot164 83.1372 444584.23 5012601.83 83.08 0.013 0.019 5/22/2015 13:26 0.055 5.5 spot165 83.0581 444587.75 5012615.19 82.98 0.013 0.02 5/22/2015 13:27 0.076 7.6 spot166 83.0167 444589.57 5012623.58 82.92 0.013 0.02 5/22/2015 13:27 0.093 9.3 spot167 82.9775 444590.77 5012631.36 82.87 0.012 0.019 5/22/2015 13:28 0.107 10.7 spot168 82.895 444592.21 5012640.12 82.85 0.013 0.02 5/22/2015 13:29 0.048 4.8 spot169 82.8846 444592.46 5012694.01 82.79 0.013 0.019 5/22/2015 13:31 0.097 9.7 spot170 82.83 444592.37 5012703.20 82.75 0.013 0.019 5/22/2015 13:31 0.079 7.9 spot171 82.9025 444591.13 5012712.37 82.81 0.012 0.02 5/22/2015 13:34 0.097 9.7 spot172 82.885 444591.34 5012720.93 82.77 0.013 0.02 5/22/2015 13:34 0.113 11.3 spot173 82.8115 444591.12 5012730.31 82.73 0.013 0.019 5/22/2015 13:35 0.085 8.5 spot174 82.8119 444590.78 5012739.25 82.74 0.012 0.02 5/22/2015 13:35 0.069 6.9 spot175 82.8501 444590.50 5012748.42 82.77 0.013 0.019 5/22/2015 13:36 0.079 7.9 spot176 82.8794 444590.04 5012756.86 82.81 0.013 0.02 5/22/2015 13:36 0.065 6.5 spot177 82.8789 444589.72 5012766.56 82.88 0.012 0.019 5/22/2015 13:36 0.003 0.3 spot178 83.0235 444589.48 5012776.27 82.96 0.012 0.02 5/22/2015 13:37 0.066 6.6 spot179 83.1311 444587.73 5012784.34 83.10 0.012 0.02 5/22/2015 13:39 0.032 3.2 spot180 83.2641 444586.33 5012794.33 83.18 0.013 0.02 5/22/2015 13:40 0.088 8.8 spot181 83.507 445009.91 5014561.67 83.39 0.012 0.02 5/22/2015 13:46 0.116 11.6 spot182 83.8437 445014.47 5014570.45 83.74 0.012 0.02 5/22/2015 13:50 0.104 10.4 spot183 84.1267 445017.30 5014576.65 83.98 0.011 0.02 5/22/2015 13:51 0.144 14.4 spot184 85.9465 445046.90 5014649.64 85.86 0.011 0.019 5/22/2015 14:03 0.085 8.5 spot185 86.0046 445050.56 5014657.07 85.91 0.01 0.018 5/22/2015 14:04 0.099 9.9 spot186 86.0455 445053.84 5014663.84 85.89 0.009 0.02 5/22/2015 14:04 0.154 15.4 spot187 86.0258 445057.55 5014671.15 85.91 0.011 0.019 5/22/2015 14:05 0.117 11.7 spot188 85.7548 445080.70 5014732.96 85.66 0.01 0.018 5/22/2015 14:09 0.097 9.7 spot189 85.6552 445083.21 5014739.25 85.60 0.011 0.02 5/22/2015 14:09 0.059 5.9 spot190 79.153 445275.19 5018904.18 79.08 0.01 0.018 5/22/2015 14:27 0.072 7.2 spot191 87.8162 447185.39 5007610.07 87.76 0.015 0.019 5/26/2015 9:20 0.052 5.2 spot192 87.9745 447178.36 5007607.25 87.98 0.015 0.02 5/26/2015 9:20 ‐0.007 0.7 spot193 88.1051 447169.75 5007607.57 88.10 0.015 0.02 5/26/2015 9:21 0.003 0.3 spot194 88.2209 447161.14 5007607.87 88.21 0.013 0.017 5/26/2015 9:21 0.012 1.2 spot195 88.4357 447153.12 5007607.34 88.45 0.013 0.018 5/26/2015 9:21 ‐0.016 1.6 spot196 88.7524 447146.63 5007603.02 88.75 0.014 0.019 5/26/2015 9:22 0.001 0.1 spot197 89.072 447140.45 5007598.48 89.08 0.014 0.02 5/26/2015 9:22 ‐0.009 0.9 spot198 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88.35 0.011 0.019 5/26/2015 10:51 ‐0.013 1.3 spot297 88.3677 450768.99 5001928.46 88.36 0.011 0.02 5/26/2015 10:51 0.005 0.5 spot298 88.3796 450765.44 5001921.23 88.34 0.011 0.02 5/26/2015 10:52 0.042 4.2 spot299 88.3191 450762.00 5001914.87 88.32 0.011 0.019 5/26/2015 10:52 ‐0.005 0.5 spot300 88.3286 450757.12 5001906.34 88.31 0.011 0.019 5/26/2015 10:52 0.015 1.5 spot301 86.8825 449042.39 4999745.59 86.87 0.009 0.017 5/26/2015 11:03 0.009 0.9 spot302 86.8648 449037.03 4999741.27 86.86 0.012 0.02 5/26/2015 11:04 0.009 0.9 spot303 86.8107 449032.00 4999739.21 86.84 0.012 0.02 5/26/2015 11:04 ‐0.033 3.3 spot304 86.8008 449025.93 4999735.37 86.81 0.01 0.018 5/26/2015 11:04 ‐0.007 0.7 spot305 86.8319 449020.95 4999730.25 86.84 0.011 0.019 5/26/2015 11:05 ‐0.005 0.5 spot306 86.9126 449016.14 4999724.22 86.90 0.011 0.019 5/26/2015 11:05 0.013 1.3 spot307 86.9643 449018.13 4999717.80 86.97 0.011 0.019 5/26/2015 11:05 ‐0.006 0.6 spot308 86.9898 449021.36 4999711.88 86.98 0.011 0.018 5/26/2015 11:06 0.015 1.5 spot309 86.9358 449028.77 4999714.68 86.95 0.011 0.019 5/26/2015 11:06 ‐0.010 1.0 spot310 86.9364 449036.65 4999716.94 86.94 0.011 0.018 5/26/2015 11:06 ‐0.008 0.8 spot311 86.9632 449042.81 4999721.79 86.94 0.012 0.018 5/26/2015 11:07 0.025 2.5 spot312 86.8525 449048.96 4999725.95 86.88 0.011 0.019 5/26/2015 11:07 ‐0.029 2.9 spot313 86.8592 449056.83 4999724.83 86.85 0.011 0.018 5/26/2015 11:08 0.009 0.9 spot314 86.8378 449062.12 4999719.69 86.84 0.011 0.019 5/26/2015 11:08 0.002 0.2 spot315 86.8635 449063.64 4999712.59 86.86 0.011 0.019 5/26/2015 11:08 0.008 0.8 spot316 86.9004 449065.28 4999705.99 86.89 0.011 0.019 5/26/2015 11:08 0.007 0.7 spot317 86.8185 449071.11 4999705.88 86.81 0.011 0.019 5/26/2015 11:09 0.007 0.7 spot318 86.7579 449075.80 4999710.79 86.72 0.011 0.019 5/26/2015 11:09 0.035 3.5 spot319 86.7629 449074.40 4999717.34 86.74 0.011 0.02 5/26/2015 11:09 0.023 2.3 spot320 86.7178 449073.26 4999724.05 86.76 0.011 0.02 5/26/2015 11:10 ‐0.041 4.1 spot321 86.7424 449070.85 4999731.65 86.75 0.012 0.019 5/26/2015 11:10 ‐0.005 0.5 spot322 86.7572 449068.47 4999739.05 86.75 0.011 0.018 5/26/2015 11:10 0.006 0.6 spot323 86.7811 449067.43 4999746.51 86.81 0.01 0.019 5/26/2015 11:11 ‐0.030 3.0 spot324 86.8419 449056.88 4999745.42 86.83 0.011 0.019 5/26/2015 11:11 0.008 0.8 spot325 86.9047 449051.06 4999744.53 86.89 0.011 0.019 5/26/2015 11:11 0.018 1.8 spot326 86.9 449049.48 4999736.41 86.91 0.011 0.019 5/26/2015 11:12 ‐0.010 1.0 spot327 86.8813 449041.55 4999733.99 86.90 0.011 0.019 5/26/2015 11:12 ‐0.017 1.7 spot328 86.8527 449034.90 4999731.75 86.87 0.011 0.019 5/26/2015 11:12 ‐0.019 1.9 spot329 86.932 449028.45 4999726.77 86.88 0.01 0.018 5/26/2015 11:12 0.051 5.1 spot330 86.922 449038.28 4999725.31 86.91 0.011 0.019 5/26/2015 11:13 0.008 0.8 Mean Z : 6.3 Median Z : 5.1 0 yes out of 330 Max Z : 27.5 spot elevations Min Z : 0.0
Discarded Points New construction spot10 73.8657 445488.94 5024390.67 78.38 0.013 0.017 5/22/2015 9:35 ‐4.515 451.5 Yes since lidar flown. New construction spot11 72.2383 445472.44 5024379.34 78.29 0.014 0.018 5/22/2015 9:35 ‐6.055 605.5 Yes since lidar flown. New construction spot12 71.9938 445440.09 5024357.86 78.11 0.012 0.017 5/22/2015 9:36 ‐6.113 611.3 Yes since lidar flown. New construction spot132 89.5475 444254.19 5010748.82 89.44 0.012 0.02 5/22/2015 12:51 0.103 10.3 since lidar flown. New construction spot133 89.4734 444253.35 5010740.29 89.61 0.014 0.019 5/22/2015 12:51 ‐0.133 13.3 since lidar flown. New construction spot134 89.7868 444259.14 5010732.80 89.80 0.01 0.02 5/22/2015 12:52 ‐0.014 1.4 since lidar flown. New construction spot135 89.9828 444264.95 5010725.46 90.02 0.013 0.02 5/22/2015 12:52 ‐0.033 3.3 since lidar flown. New construction spot136 90.0235 444262.52 5010717.18 90.13 0.013 0.02 5/22/2015 12:53 ‐0.103 10.3 since lidar flown. New construction spot137 90.32 444255.51 5010710.94 90.27 0.013 0.02 5/22/2015 12:53 0.049 4.9 since lidar flown. New construction spot138 90.3889 444246.54 5010710.47 90.36 0.013 0.02 5/22/2015 12:53 0.028 2.8 since lidar flown. New construction spot139 90.5143 444239.39 5010707.02 90.54 0.013 0.02 5/22/2015 12:53 ‐0.022 2.2 since lidar flown. New construction spot140 90.465 444235.41 5010700.49 90.57 0.013 0.02 5/22/2015 12:54 ‐0.103 10.3 since lidar flown. New construction spot141 90.7211 444244.22 5010702.73 90.72 0.013 0.02 5/22/2015 12:54 0.001 0.1 since lidar flown. New construction spot142 90.5453 444233.67 5010695.77 90.60 0.012 0.019 5/22/2015 12:55 ‐0.058 5.8 since lidar flown. New construction spot143 90.6992 444233.59 5010686.76 90.68 0.012 0.019 5/22/2015 12:56 0.021 2.1 since lidar flown. New construction spot144 90.7584 444235.99 5010678.50 90.65 0.013 0.019 5/22/2015 12:56 0.111 11.1 since lidar flown. New construction spot145 90.6809 444237.60 5010670.72 90.73 0.013 0.02 5/22/2015 12:56 ‐0.048 4.8 since lidar flown. New construction spot146 90.8329 444240.41 5010663.58 90.76 0.013 0.02 5/22/2015 12:57 0.073 7.3 since lidar flown. New construction spot147 90.9123 444244.24 5010656.51 90.81 0.013 0.02 5/22/2015 12:57 0.106 10.6 since lidar flown. New construction spot148 90.9616 444249.25 5010649.39 90.86 0.013 0.02 5/22/2015 12:57 0.101 10.1 since lidar flown. New construction spot149 90.7602 444255.33 5010642.76 90.83 0.01 0.02 5/22/2015 12:58 ‐0.065 6.5 since lidar flown. New construction spot150 90.7513 444262.02 5010637.13 90.64 0.012 0.02 5/22/2015 12:58 0.107 10.7 since lidar flown. New construction spot151 90.2271 444269.93 5010632.64 90.46 0.012 0.02 5/22/2015 12:59 ‐0.231 23.1 since lidar flown. New construction spot152 89.9242 444277.83 5010627.98 90.24 0.012 0.02 5/22/2015 12:59 ‐0.320 32.0 since lidar flown. New construction spot153 89.8031 444265.55 5010739.62 90.08 0.012 0.019 5/22/2015 13:13 ‐0.278 27.8 since lidar flown. New construction spot154 89.8793 444270.23 5010732.41 90.10 0.011 0.018 5/22/2015 13:13 ‐0.222 22.2 since lidar flown. New construction spot155 89.9609 444271.93 5010723.23 90.23 0.012 0.017 5/22/2015 13:13 ‐0.271 27.1 since lidar flown. New construction spot156 89.9044 444266.34 5010715.91 90.25 0.012 0.018 5/22/2015 13:14 ‐0.341 34.1 Yes since lidar flown.
Appendix C
Buildings and Islands in Floodplain – RVCA Policy
RideauMapping(HBtoKars).docx 7/17/2017 3:59:31 PM Page 29 of 29 Ferdous Ahmed
From: Ewan Hardie Sent: Wednesday, June 29, 2016 10:35 AM To: Ferdous Ahmed Subject: Buildings in the Floodplain Guidelines
Hi Ferdous, As discussed at recent meetings please consider the following guidelines when undertaking floodplain mapping projects
Effective June 13th 2016, when plotting floodlines RVCA staff will use the following guidelines in order to apply a conservative approach to the delineation of the regulatory floodplain, specifically in areas that have buildings that are in the floodplain or affected by the floodplain: 1. Include any buildings in the floodplain that have any part of the footprint touching the floodplain. This is done to be conservative based on the lack of knowledge on the conditions around the buildings: soil conditions, window wells, walk out doors, building egress are all not known at the time of a floodplain mapping study so it is wise to adopt a conservative approach and include building footprints in the floodplain. 2. With regards to dry islands in and around buildings, islands will be removed if they did not meet the minimum mapping unit acceptable for the data. An envelope of 2 metres around building footprints is to be considered. If the floodplain comes close to or is in this 2m building envelope the entire envelope should be included in the floodplain. This approach is also consistent with the above approach (building footprints) in that the lack of knowledge of the conditions around the building forces the uses of a conservative approach, which is to remove the islands 3. In cases where a building has been included in the floodplain (because of the above criteria), the adjacent building will need to be included in the floodplain as well because of a lack of data in between the buildings and/or the 2m building envelope rule. 4. In the case of townhome or connected type buildings and the floodplain touching the foundations, the building footprint should be included up to the next visible unit partition where the elevation changes
Thanks
Ewan Hardie ______Director Watershed Science and Engineering Services Rideau Valley Conservation Authority [email protected] Tel: 613 692‐3571 ext 1130 Fax: 613 692‐0334
Rideau Valley Conservation Authority 3889 Rideau Valley Drive, Manotick, ON K4M 1A5 www.rvca.ca
This message may contain information that is privileged or confidential and is intended to be for the use of the individual(s) or entity named above. This material may contain confidential or personal information which may be subject to the provisions of the Municipal Freedom of Information & Protection of Privacy Act.
1 Ferdous Ahmed
From: Ewan Hardie Sent: Thursday, July 6, 2017 5:12 PM To: Ferdous Ahmed Cc: Brian Stratton Subject: Floodplain delineation guidance
Good Afternoon Ferdous,
As discussed here is the documentation of the guidance that was given to RVCA staff when it comes to plotting floodlines using LiDAR data for this most recent project.
Guidance:
When delineating the regulatory flood water levels, RVCA staff will follow a precautionary principle to include island areas in the floodplain that are up to 1000 square metres.
Ewan Hardie ______Director Watershed Science and Engineering Services Rideau Valley Conservation Authority [email protected] Tel: 613 692‐3571 ext 1130 Fax: 613 692‐0334
Rideau Valley Conservation Authority 3889 Rideau Valley Drive, Manotick, ON K4M 1A5 www.rvca.ca
This message may contain information that is privileged or confidential and is intended to be for the use of the individual(s) or entity named above. This material may contain confidential or personal information which may be subject to the provisions of the Municipal Freedom of Information & Protection of Privacy Act.
If you are not the intended recipient of this e-mail, any use, review, revision, retransmission, distribution, dissemination, copying, printing or otherwise use of, or taking of any action in reliance upon this e-mail, is strictly prohibited. If you have received this e-mail in error, please contact the sender and delete the original and any copy of the e-mail and any printout thereof, immediately. Your cooperation is appreciated.
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