HANCOCK COUNTY, OHIO AND INCORPORATED AREAS

Community Community Name Number Arcadia, Village of 390241 Arlington, Village of 390242 Benton Ridge, Village of 390243 Findlay, City of 390244 Fostoria, City of 390245 Hancock County (Unincorporated Areas) 390767 Jenera, Village of 390246 *McComb, Village of 390247 Mount Blanchard, Village of 390248 *Mount Cory, Village of 390249 *Rawson, Village of 390971 Van Buren, Village of 390648 *Vanlue, Village of 390972

*No Special Flood Hazard Areas

EFFECTIVE: June 2, 2011

Federal Emergency Management Agency FLOOD INSURANCE STUDY NUMBER 39063CV000A

Hancock County, Ohio and Incorporated Areas

NOTICE TO FLOOD INSURANCE STUDY USERS

Communities participating in the National Flood Insurance Program have established repositories of flood hazard data for floodplain management and flood insurance purposes. This Flood Insurance Study (FIS) may not contain all data available within the repository. It is advisable to contact the community repository for any additional data.

The Federal Emergency Management Agency (FEMA) may revise and republish part or all of this Preliminary FIS report at any time. In addition, FEMA may revise part of this FIS report by the Letter of Map Revision (LOMR) process, which does not involve republication or redistribution of the FIS report. Therefore, users should consult community officials and check the Community Map Repository to obtain the most current FIS components. Selected Flood Insurance Rate Map panels for this community contain the most current information that was previously shown separately on the corresponding Flood Boundary and Floodway Map panels (e.g., floodways and cross sections). In addition, former flood hazard zone designations have been changed as follows.

Old Zone(s) New Zone

A1 through A30 AE B X C X

Initial Countywide FIS Effective Date: June 2, 2011

TABLE OF CONTENT

1.0 INTRODUCTION 1 1.1 Purpose of Study 1 1.2 Authority and Acknowledgments 1 1.3 Coordination 3 2.0 AREA STUDIED 3 2.1 Scope of Study 3 2.2 Community Description 5 2.3 Principal Flood Problems 6 2.4 Flood Protection Measures 8 3.0 ENGINEERING METHODS 8 3.1 Hydrologic Analyses 9 3.2 Hydraulic Analyses 12 3.3 Vertical Datum 14 4.0 FLOODPLAIN MANAGEMENT APPLICATIONS 16 4.1 Floodplain Boundaries 16 4.2 Floodways 17 5.0 INSURANCE APPLICATION 32 6.0 FLOOD INSURANCE RATE MAP 32 7.0 OTHER STUDIES 36 8.0 LOCATION OF DATA 36 9.0 REFERENCES AND BIBLIOGRAPHY 36

i TABLE OF CONTENTS (continued)

FIGURES

FIGURE 1 – FLOODWAY SCHEMATIC 18

TABLES

TABLE 1 – INITIAL AND FINAL CCO MEETINGS 3 TABLE 2 – FLOODING SOURCES STUDIED BY DETAILED METHODS 3 TABLE 3 – LETTERS OF MAP CHANGE 4 TABLE 4 − SUMMARY OF DISCHARGES 11 TABLE 5 – MANNING’S “n” VALUES 14 TABLE 6 - VERTICAL DATUM CONVERSION FACTORS 15

TABLE 7 − FLOODWAY DATA 19 TABLE 8 − COMMUNITY MAP HISTORY 34

EXHIBITS

Exhibit 1 – Flood Profiles

Blanchard River Panels 01P – 20P Eagle Creek Panels 21P – 32P Howard Run Panels 33P – 35P Lye Creek Panels 36P – 38P Rush Creek Panel 39P

Exhibit 2 – Flood Insurance Rate Map Index Flood Insurance Rate Map

ii FLOOD INSURANCE STUDY HANCOCK COUNTY, OHIO AND INCORPORATED AREAS

1.0 INTRODUCTION

1.1 Purpose of Study

This countywide Flood Insurance Study (FIS) revises and updates information on the existence and severity of flood hazards in the geographic area of Hancock County, Ohio; including the Cities of Findlay and Fostoria; Villages of Arcadia, Arlington, Benton Ridge, Jenera, McComb, Mount Blanchard, Mount Cory, Rawson, Van Buren and Vanlue; and the unincorporated areas of Hancock County (referred to collectively herein as Hancock County). Note that the only previously printed FIS reports are for the City of Findlay, Village of Mount Blanchard and Hancock County unincorporated areas. Within the geographic area of Hancock County, no Special Flood Hazard Areas have been identified for the villages of McComb, Mount Cory and Rawson.

This FIS aids in the administration of the National Flood Insurance Act of 1968 and the Flood Disaster Protection Act of 1973. This FIS has developed flood risk data for various areas of the county that will be used to establish actuarial flood insurance rates. This information will also be used by the communities of Hancock County to update existing floodplain regulations as part of the Regular Phase of the National Flood Insurance Program (NFIP), and will also be used by local and regional planners to further promote sound land use and floodplain development. Minimum floodplain management requirements for participation in the NFIP are set forth in the Code of Federal Regulations at 44 CFR, 60.3.

Please note that the Village of Bluffton is geographically located in Hancock and Allen Counties and this countywide FIS does not include portions of the Village of Bluffton located in Hancock County. Also note that the City of Fostoria is geographically located in Wood County, Seneca County and Hancock County. In some states or communities, floodplain management criteria or regulations may exist that are more restrictive or comprehensive than the minimum Federal requirements. In such cases, the more restrictive criteria take precedence and the state (or other jurisdictional agency) will be able to explain them.

1.2 Authority and Acknowledgments

The sources of authority for this Flood Insurance Study are the National Flood Insurance Act of 1968 and the Flood Disaster Protection Act of 1973.

This FIS was prepared to include the unincorporated areas of, and incorporated communities within, Hancock County in a countywide format. Information on the

1 authority and acknowledgment for each jurisdiction included in this countywide FIS, as compiled from previously printed FIS reports, is shown below.

Mount Blanchard, Village of: The hydrologic and hydraulic analyses for this study were performed by Woolpert Consultants for the Federal Emergency Management Agency (FEMA), under contract No. H-4757. This study was completed in September, 1984 (Reference 1).

Findlay, City of: The hydrologic and hydraulic analyses for this study were performed by U.S. Geologic Survey Water Resources Division (USGS) for FEMA, under contract No. EMW-98-IA-0175, Task Number LMMP-R5-98-01. This study was completed in September, 1999 (Reference 2).

Hancock County (Unincorporated The hydrologic and hydraulic analyses for this Areas): study were performed by Woolpert Consultants for FEMA, under Contract No. H-4757. The study was completed in September 1984. Additional hydrologic and hydraulic data for the Blanchard River for the areas outside the vicinities of the City of Findlay and the Village of Mt. Blanchard were obtained from a study performed by the Soil Conservation service (SCS) in December 1987 (Reference 3).

For this countywide FIS, new approximate hydrologic and hydraulic analyses and redelineation of special flood hazard areas were performed by CDM Federal Programs Corporation (CDM), under contract HSFE05-2005-D-0027/TO12. This work was completed on September 25, 2009.

The digital base mapping information was provided in digital format by Hancock County, Ohio. This information was derived from data compiled from digital orthophotography dated 2006. These data meet or exceed National Mapping Accuracy Standards. Users of this FIS should be aware that minor adjustments may have been made to specific Flood Insurance Rate Map (FIRM) base map features.

The coordinate system used for the production of the FIRM is State Plane, North Ohio, North American Datum of 1983 (NAD 83), GRS 80 spheroid. Differences in the datum and spheroid used in the production of FIRMs for adjacent counties may result in slight positional differences in map features at the county boundaries. These differences do not affect the accuracy of information shown on the FIRM.

2 1.3 Coordination

An initial Consultation Coordination Officer (CCO) meeting is held typically with representatives of FEMA, USGS, Ohio Department of Natural Resources (ODNR), consultants and the community to explain the nature and purpose of a FIS and to identify the streams to be studied by detailed methods. A final CCO meeting is held typically with representatives of FEMA, USGS, consultants and the community to review the results of the FIS.

The dates of the initial and final CCO meetings held for previous FIS for jurisdictions within Hancock County are shown in Table 1, “Initial and Final CCO Meetings”.

TABLE 1 – INITIAL AND FINAL CCO MEETINGS Community Initial CCO Date Final CCO Date

Mount Blanchard, Village of April 20, 1983 March 12, 1985 Findlay, City of January 2, 2001 May 24, 2005 Hancock County April 20, 1983 May 30, 1990 (Unincorporated Areas)

For this countywide FIS, the initial CCO meeting was held on June 4th, 2008, and was attended by representatives of FEMA, ONDR, CDM and the communities. The results of the study were reviewed at the final CCO meeting held on February 3, 2010, and attended by representatives of FEMA, ODNR, the communities, CDM. All problems raised at that meeting have been addressed in this study.

2.0 AREA STUDIED

2.1 Scope of Study

This FIS covers the geographic areas of Hancock County, Ohio including the incorporated communities listed in Section 1.1. The areas studied by detailed methods were selected with priority given to all known flood hazard areas and areas of projected development and proposed construction.

All or portions of the flooding sources listed in Table 2, “Flooding Sources Studied by Detailed Methods,” were previously studied by detailed methods. The limits of detailed study are indicated on the Flood Profiles (Exhibit 1) and on the FIRMs (Exhibit 2).

TABLE 2 – FLOODING SOURCES STUDIED BY DETAILED METHODS Flooding Source Limits of Detailed Study

Blanchard River From the boundary with Hardin County to the boundary with Putnam County.

3

TABLE 2 – FLOODING SOURCES STUDIED BY DETAILED METHODS (continued) Flooding Source Limits of Detailed Study

Eagle Creek From approximately 250 ft upstream of Township Road 32 to the confluence with the Blanchard River.

Howard Run From approximately 1,200 ft upstream of County Highway 95 to the confluence with the Blanchard River.

Lye Creek From approximately 1 mi upstream of Township Road 205 to the confluence with the Blanchard River.

Rush Creek From approximately 1,000 ft upstream of Greendale Avenue to the confluence with the Blanchard River.

This FIS also incorporates the determinations of letters issued by FEMA resulting in map changes (Letter of Map Revision [LOMR], Letter of Map Revision-based on Fill [LOMR-F], and Letter of Map Amendment [LOMA]) as shown in Table 3, "Letters of Map Change."

TABLE 3 – LETTERS OF MAP CHANGE Community Case Number FloodingSource(s) Letter Date

City of Findlay 07-05-0365A Lye Creek; Blanchard River 1/18/2007

City of Findlay 07-05-1818A Lye Creek; Blanchard River 1/18/2007

City of Findlay 07-05-0775P Blanchard River 1/31/2007

City of Findlay 07-05-0779A Blanchard River 2/6/2007

City of Findlay 07-05-2706A Blanchard River 3/20/2007

City of Findlay 07-05-2762A Lye Creek; Blanchard River 5/3/2007

City of Findlay 07-05-3677A Blanchard River 6/12/2007

City of Findlay 08-05-2086P Blanchard River 5/15/2008

Hancock County 04-05-4230A Eagle Creek 9/1/2004

4 TABLE 3 – LETTERS OF MAP CHANGE (continued)

Community Case Number FloodingSource(s)/Project Letter Date

Identifier

Hancock County 09-05-2984P Blanchard River 11/4/2009

Approximate analyses were used to study those areas having a low development potential or minimal flood hazards. The scope and methods of study were proposed to, and agreed upon, by FEMA and the ODNR. These analyses superseded the approximate reaches in the original study or added new approximate study reaches for the following: Aurand Run, Blanchard River and tributaries, Binkley Ditch, Boley Ditch, Brights Ditch, Buck Run, Buck Run Creek, Cummins Ditch, Eagle Creek, East Branch Portage River and tributaries, Flat Branch, Howard Run, Little Riley Creek, Lye Creek and tributaries, Marsh Run, Moffitt Ditch and tributaries, Needles Creek, Ottawa Creek and tributaries, Potato Run, Rader Creek, Riley Creek and tributaries, Rocky Ford Creek and tributaries, Schoonover Ditch, Silver Creek, South Branch Portage River, Stahl Ditch, Tenmile Creek, The Outlet, Tiderishi Creek and Woodruff Ditch.

2.2 Community Description

Hancock County, in northwestern Ohio, has a total area of 534 square miles (sq. mi.). The county is bordered on the north by the Wood County; Seneca and Wyandot Counties to the east; on the south Hardin County; on the west by Allen and Putnam Counties and on the northwest corner by Henry County. The county sit is in the City of Findlay. Hancock County is primarily rural, with nearly 95 percent of its land cultivated.

Hancock County is served by several major highways including Interstate 75 and U.S. Routes 30, 68, and 224. Railroads within the county include Conrail, CSX, and Norfolk Southern Railway. The population of Hancock County was 71,295 in 2000, 65,536 in 1990, and 64,581 in 1980 (Reference 4).

The climate of Hancock County is influenced by Lake Michigan, consists of cold winters and warm summers. The average temperature is 51 degrees Fahrenheit (°F), with seasonal variations ranging from a mean of 18.6 °F in January to 87 °F in July. Average annual precipitation is about 35.8 inches, and the average annual snowfall is about 28 inches (Reference 5).

The soils of Hancock County are typical heterogeneous materials found in the till plains covering mid-Ohio, consisting primarily of clays overlying dolomitic limestone. The glacial drift is of varied thickness, averaging less than 15 feet. Weathered rock is evident along most river channel bottoms (Reference 6).

5 All streams in the area studied are within the Maumee River basin, which has a total drainage area of 6,608 square miles. The drainage system in Hancock County consists of the Blanchard River and several main tributaries (Reference 7). The Blanchard River, from its source in Hardin County nears the City of Kenton, flows north in Hancock County for 26 miles and then very sharply westward for 5 miles to the City of Findlay. Several major tributaries that form the eastern portion of the basin rise in Wyandot and Seneca Counties, and join the Blanchard River upstream of the City of Findlay. The Blanchard River empties into the Auglaize River about 55 river miles downstream of the City of Findlay. Eagle Creek, which has a drainage area of 61.4 sq. mi. (Reference 8), also has its source in Hardin County and generally parallels the Blanchard River throughout its length and joins that river in the City of Findlay. The drainage basin of Lye Creek, another principal tributary of the Blanchard River, lies entirely in Hancock County between Eagle Creek and the Blanchard River. Lye Creek also has its confluence with the Blanchard River in the City of Findlay.

2.3 Principal Flood Problems

Although flooding can occur at any time during the year, floods are most frequent during the late winter and spring months when heavy rains combine with melting snow.

Flooding occurred throughout much of Ohio in March 1913 as a result of one of the most intense rainstorms ever recorded in northwestern Ohio. However, no specific information was obtained for this flood relative to the streams in Hancock County.

Hancock County is susceptible to floodflows of the Blanchard River, Eagle Creek, and Lye Creek. Flooding may occur from individual flood discharges of these water courses, but usually occurs in some combination with the Blanchard River. High water is experienced annually along these rivers but the flooding is usually restricted to the immediate banks and the surcharged sewer systems. Flooding seriously affects the residential and commercial streets by overland flow from the streams, and occurs on the average of once in every five years. Extremely high stormwater flows cover large sections of the county that lie within the natural floodplain associated with the confluence of the rivers. The worst flood of modern record occurred in 1913 and completely inundated the business districts adjacent to the City of Findlay for several days. The Blanchard River discharge for this flood was estimated to be 22,000 cubic feet per second (cfs), well in excess of a 0.2-percent-annul-chance flood. The low areas along both sides of the Blanchard River upstream and downstream of the city are the first to be subjected to flooding when the river stage reaches approximately 12 feet at the USGS gaging station (No. 4189000) downstream of the City of Findlay. The rise and fall of flood crests on the Blanchard River usually extend over a period of two to three days. This period is increased to four or five days during extremely severe floods (Reference 8).

6 The urban area near the City of Findlay is flooded about once every five years, with serious flooding being recorded in 1883, 1888, 1904, 1913, 1927, 1950, 1959, and 1981. The storm of June 13-15, 1981, produced the highest discharge on the Blanchard River since the 1913 flood. The average precipitation of 4.5 inches in 24 hours produced 13,000 cfs at the Blanchard River gage and had an estimated recurrence interval of about 2-percent-annual-chance (Reference 9). This was a regionalized storm, with the central area of the county receiving a large portion of the rainfall. The estimated damage of the June 1981 flood was $13 million, mainly in residential areas including the City of Findlay (Reference 10).

In January and February 1959, two severe floods occurred in Hancock County within 20 days of one another. The storm of January 19-22, 1959, produced the most severe flood since 1913 in most parts of Ohio, whereas the storm of February 9-10, 1959, produced a higher discharge on the Blanchard River than the January storm. This was due to the saturated, frozen ground produced by the preceding storm and a lack of snow cover (Reference 11).

Eagle Creek has an average slope of about 7.4 feet per mile with a high runoff. The two highest floods of record are the February 1959 and June 1981 events. These produced estimated discharges of 5,860 cfs and 6,300 cfs, respectively, both in excess of an l-percent-annual-chance flood at the stream gage (No. 04188500) upstream of City of Findlay (Reference 9).

The flat terrain of the county causes Eagle Creek and Lye Creek floodplains to join just upstream of Sixth Street. This created a mile-wide flooded area in the June 1981 flood.

In 1997 the Blanchard River at the City of Findlay exceeded its flood stage again, cresting at 13.7 feet in May and 15.5 feet in June. Others countywide floods were registered in January of 2005 and 2007 due to snow storm melt followed by heavy rains. However, one of the worst flood events in the region occurred in August 2007 causing approximately $100 million in damage. About 2,000 people had to be evacuated and water rescue teams from the surrounding area assisted in the efforts. The catastrophic thunderstorms affected Wyandot, Hancock, Crawford and Richland Counties (Reference 12).

7 2.4 Flood Protection Measures

Levees exist in the study area that provides the community with some degree of protection against flooding. However, it has been ascertained that some of these levees may not protect the community from rare events such as the 1-percent- annual-chance flood. The criteria used to evaluate protection against the 1- percent-annual-chance flood are 1) adequate design, including freeboard, 2) structural stability, and 3) proper operation and maintenance. Levees that do not protect against the 1-percent-chance-annual flood are not considered in the hydraulic analysis of the 1-percent-annual-chance floodplain.

For the City of Findlay the local sewage treatment plant is protected by a levee that has a top elevation slightly above the 1913 flood level. This levee has performed without any known damaging incidents. Due to the hydraulic design of the sewage treatment system, the treatment plant becomes inoperative when flood stages on the Blanchard River exceed elevation 758.2 North American Vertical Datum of 1988 (NAVD88). Closure gates prevent backwater from entering the plant. Other levees within the corporate limits are along Eagle Creek at the following locations: upstream of the Sixth Street bridge on the right bank to protect a housing development; downstream of Olive Street on the left bank to protect a clay tile manufacturing plant; and upstream of the CSX railroad bridge on the left bank to prevent floodwaters from becoming trapped behind the railroad embankment. These levees afford little protection against floods similar to those experienced in 1913, 1959, or 1981, but they have been beneficial at low discharges (Reference 2).

The county regulates the use of floodplains through local building codes and zoning ordinances (Reference 13). These include land use regulations adopted from the Code of Federal Regulations to control development within areas that have a high risk of flooding.

3.0 ENGINEERING METHODS

For the flooding sources studied in detail in the community, standard hydrologic and hydraulic study methods were used to determine the flood hazard data required for this study. Flood events of a magnitude that is expected to be equaled or exceeded once on the average during any 10-, 50-, 100-, or 500-year period (recurrence interval) have been selected as having special significance for floodplain management and for flood insurance rates. These events, commonly termed the 10-, 50-, 100-, and 500-year floods, have a 10-, 2-, 1-, and 0.2-percent chance, respectively, of being equaled or exceeded during any year. Although the recurrence interval represents the long-term average period between floods of a specific magnitude, rare floods could occur at short intervals or even within the same year. The risk of experiencing a rare flood increases when periods greater than 1 year are considered. For example, the risk of having a flood that equals or exceeds the 100-year flood (l-percent chance of annual exceedance) in any 50- year period is approximately 40 percent (4 in 10), 100, for any 90-year period, the risk increases to approximately 60 percent (6 in 10). The analyses reported herein reflect

8 flooding potentials based on conditions existing in the community at the time of completion of this study. Maps and flood elevations will be amended periodically to reflect future changes.

3.1 Hydrologic Analyses

Hydrologic analyses were carried out to establish peak discharge-frequency relationships for the flooding sources studied in detail affecting the county. Village of Mount Blanchard, City of Findlay and Hancock County Unincorporated Areas has a previously printed FIS report. The hydrologic analyses described those reports have been compiled and summarized below.

Pre-Countywide Analysis:

Hydrologic analyses were carried out to establish the peak discharge-frequency relationships for each flooding source studied in detail affecting the community.

The USGS has maintained stream gage records on the Blanchard River (gage No. 04189000) and has recorded all major floods since 1923 except for the period from 1935 to 1940 (Reference 14). The maximum stage records at the City of Findlay sewage treatment plant have been used to estimate the maximum annual discharges during this interim period. Another gage, on Eagle Creek (gage No. 04188500) just south of the City of Findlay, was operated by the USGS from 1947 to 1957 (Reference 14).

For the original Hancock County study the discharge data from the Blanchard River gage were used to develop the values for the 10-, 2-, and 1-percent-annual- chance peak discharges (Reference 14). The flood frequency analysis performed by Woolpert Consultants followed the standard log-Pearson Type III method (Reference 14). These discharges were adjusted at major drainage area breaks using methods recommended by the ODNR (Reference 14).

The remaining Blanchard River discharges were established by valley routing, using the USGS watershed model (Reference 15).

For the City of Findlay study estimates of the 1-percent-annual-chance peak discharges on the Blanchard River were based upon streamflow-gaging station historical data and techniques to determine station weighted regression estimates as presented in the USGS's Water-Resources Investigations Report 89-4126, "Techniques for Estimating Flood-Peak: Discharges of Rural, Unregulated Streams in Ohio," (Reference 16). The historical data used for this hydrologic analysis includes a period of 61 years (1913, 1924-1936, 1941-1987). These techniques were used to obtain peak- discharge estimates at three locations along the Blanchard River: (1) upstream of Hancock County Road 140 (location of the USGS streamflow-gaging station, Blanchard River near Findlay), (2) upstream of Eagle Creek, and (3) upstream of Lye Creek.

9 The estimate of the 1-percent-annual-chance peak discharge for Eagle Creek is based on historical USGS streamflow-gaging station records for Eagle Creek near the City of Findlay streamgage (Reference 16). The historical data used for this hydrologic analysis includes a period of 13 years (1947-1957, 1959, 1981). The peak-discharge estimate will be used for the entire reach studied along Eagle Creek.

The estimates of 1-percent-annual-chance peak discharges for Lye Creek were computed by use of a regression equation presented in the USGS's Water- Resources Investigations Report 89-4126 (Reference 10). The data required for the use of this equation are drainage area in square miles, main channel slope in 5 feet per mile, and storage area in percent of drainage area. The basin- characteristics data for Lye Creek were obtained directly from USGS 7.5-Minute Series Topographical maps. This technique was used to obtain peak-discharge estimates at two locations along Lye Creek: (1) at the mouth, and (2) upstream of Fishlock Avenue at City of Findlay.

Stream discharges for Eagle Creek in the original Hancock County study were determined by a combination of the stream gage data and regression analyses (Reference 14). Because of the short duration of the Eagle Creek gage data, methods outlined in Bulletin No. 17B (Reference 17) for comparison of short period and long period gage records on Eagle Creek and the Blanchard River, respectively, were used to establish the discharge values. Lye Creek, an ungaged stream, and the Blanchard River near Mount Blanchard were evaluated by the regression methods recommended for this region of Ohio (Reference 14). The mathematical model is based on 33 gaging stations in the Lake Erie drainage basin from the Ohio-Michigan state boundary line eastward through the Maumee River, Portage River, and Sandusky River basins. Principal parameters include drainage areas, stream slopes, and mean annual precipitation. Adjustments for urbanization were made at the extreme downstream reaches of Eagle and Lye Creeks.

Howard Run and Rush Creek have a relatively small drainage area, and the methods described in TR-55 were used to establish peak discharge values (Reference 18). The 0.2-percent-annual-chance flood discharges were extrapolated from a statistical plot of the 10-, 2-, and 0.2-percent-annual-chance flood discharges for each stream studied in detail.

The stream discharge data published in Bulletin No. 45 (Reference 14) for the Blanchard River gage were revised in 1981 by the USGS to reflect the June 1981 flood and all others since 1975. These values are used to determine the flood profiles for this study.

10 This Countywide analysis:

For this study the discharges for Hancock County were determined using the regression equations available in StreamStats for Ohio. The GIS applies StreamStats to facilitate the estimations of streamflow statistics at ungaged streams (Reference 19). Flood-frequency estimates determined by means of log-Pearson Type III analyses are reported along with weighted floodfrequency estimates, computed as a function of the log-Pearson Type III estimates and the regression estimates (Reference 20). A discharge-drainage area relationship was developed for each river to determine discharge at various locations in the study reaches.

A summary of the drainage area-peak discharge for the 10-, 2-, 1- and 0.2- percent-annual-chance floods of each stream studied by detailed methods is shown in Table 3, “Summary of Discharges”.

TABLE 4 − SUMMARY OF DISCHARGES PEAK DISCHARGE (cfs) DRAINAGE 10-PERCENT 2-PERCENT l-PERCENT 0.2-PERCENT FLOODING SOURCE AREA ANNUAL ANNUAL ANNUAL ANNUAL

AND LOCATION (sq. miles) CHANCE CHANCE CHANCE CHANCE

BLANCHARD RIVER Just upstream of western county boundary * 9,500 13,200 14,200 16,700 About 800 feet upstream of confluence of Aurand Run * 8,400 11,900 12,500 14,300 Just upstream of Hancock County Road 140 346 * * 14,100 * Just upstream of confluence of Eagle Creek 274 * * 10,900 * Just upstream of confluence of Lye Creek 246 * * 9,830 * Just upstream of confluence of The Outlet 192 5,015 6,550 7,150 8,200 Just downstream of confluence of Potato Run 141 3,930 5,147 5,630 6,490 Just downstream of southern county boundary * 3,300 4,500 4,700 5,200

EAGLE CREEK Just upstream of confluence of Blanchard River 61.4 * * 4,115 * At County Route 45 50.9 3,195 4,130 4,475 5,150 At County Route 26 44.0 2,590 3,380 3,680 4,250 Just downstream of confluence of Buck Run 37.7 2,090 2,750 3,005 3,500 Just upstream of confluence of Buck Run 31.1 1,620 2,150 2,365 2,740

11 TABLE 4 − SUMMARY OF DISCHARGES (continued) PEAK DISCHARGE (cfs) DRAINAGE 10-PERCENT 2-PERCENT l-PERCENT 0.2-PERCENT FLOODING SOURCE AREA ANNUAL ANNUAL ANNUAL ANNUAL

AND LOCATION (sq. miles) CHANCE CHANCE CHANCE CHANCE

LYE CREEK Just upstream of confluence with Blanchard River 28 * * 1,910 * Just upstream of Fishlock Avenue 27 * * 1,880 *

HOWARD RUN Just upstream of confluence with Blanchard River 4.7 610 790 860 1,040

RUSH CREEK Just upstream of confluence with Blanchard River 1.7 550 795 840 950

*Data not available

3.2 Hydraulic Analyses

Analyses of the hydraulic characteristics of flooding from the sources studied were carried out to provide estimates of the elevations of floods of the selected recurrence intervals. Users should be aware that flood elevations shown on the FIRM represent rounded whole-foot elevations and may not exactly reflect the elevations shown on the Flood Profiles or in the Floodway Data tables in the FIS report. Flood elevations shown on the FIRM are primarily intended for flood insurance rating purposes. For construction and/or floodplain management purposes, users are cautioned to use the flood elevation data presented in this FIS in conjunction with the data shown on the FIRM.

Village of Mount Blanchard, City of Findlay and the Hancock County Unincorporated Areas are the only previous FIS reports printed for Hancock County. The hydraulic analyses described in that report have been compiled and summarized below.

Pre-Countywide Analysis:

Cross-sections for backwater analyses were obtained through photogrammetric means from aerial photographs (References 15 and 21). Additional cross sections, below-water sections, and bridge data were obtained by field survey. All bridges and culverts were surveyed to obtain elevation data and structural geometry.

12 Locations of selected cross sections used in the hydraulic analyses are shown on the Flood Profiles and on the FIRM.

Water-Surface Elevations (WSELs) for floods of the selected recurrence intervals for Eagle Creek, Howard Run, Lye Creek, and on portions of the Blanchard River within the vicinities of the City of Findlay and the Village of Mount Blanchard were computed using the HEC-2 step-backwater computer program (Reference 22). Normal depth starting WSELs for Howard Run and Rush Creek were calculated by slope-area method. Flood profiles were drawn showing the computed WSELs for floods of the selected recurrence intervals.

The WSELs for the remaining portions of the Blanchard River were obtained from the WSP-2 step-backwater program in the original Hancock County FIS (Reference 23). Starting water-surface elevations were calculated by the slope- area method.

For the FIS revision of City of Findlay, cross sections the surveyed in the field and cross sections obtained from a digital 2-foot contour map developed for this restudy were used to establish the 1-percent-annual-chance floodplain and floodway for the Blanchard River, Eagle Creek, and Lye Creek (Reference 24). Estimates of 1-percent-annual-chance peak discharges were used with cross- sectional data as input data to develop a step-backwater model. The USACE's HEC-RAS step-backwater computer program (Reference 20) was used to determine the WSELs for the Blanchard River, Eagle Creek and Lye Creek. The starting WSEL at the initial section for the 1-percent-annual-chance flood profile for the Blanchard River was determined from the stage-discharge relation from the USGS stream gage "Blanchard River near Findlay" (No. 04189000). A known starting WSEL was used for the Blanchard River for this revision. The starting WSELs at the initial sections for the 1-percent-annual-chance flood profile for Eagle Creek and Lye Creek were obtained using the slope conveyance method.

This Countywide Analysis:

For the flooding sources which are studied by approximate analyses and listed in “2.1 Scope of Study”, HEC-GeoRAS was used to convert centerline and cross section data created in ArcGIS (Reference 19) for use in HEC-RAS 4.0 (Reference 20). HEC-GeoRAS utilized a 2.5 feet resolution Digital Elevation Model (DEM) generated under the Ohio Statewide Imagery Program (OSIP) to develop the model cross sections. The same DEM was used for floodplain mapping. Road crossing locations were selected by looking at the aerial photos and modeled as inline structures. Normal depth was used as the downstream boundary condition for reaches in this study.

13 Roughness coefficients (Manning's "n") listed below at table 4 and contraction and expansion loss coefficients used in the hydraulic computations were chosen by engineering judgment and based on field observation of the streams and floodplain areas.

TABLE 5 – MANNING’S “N” VALUES

STREAM CHANNEL OVERBANKS

Blanchard River 0.026-0.063 0.041-0.187 Eagle Creek 0.055-0.075 0.11 Lye Creek 0.055-0.075 0.11 Howard Run 0.03-0.055 0.04-0.10 Rush Creek 0.030-0.055 0.040-0.100

Flood profiles were drawn showing the computed WSELs for floods of the selected recurrence intervals. In cases where the 2- and 1-percent-annual-chance flood elevations are close together, due to limitations of the profile scale, only the 1-percent-annual-chance profile has been shown.

For flooding sources which are studied by detailed analyses, locations of selected cross sections used in the hydraulic analyses are shown on the Flood Profiles (Exhibit 1). For stream segments for which a floodway was computed (Section 4.2), selected cross-section locations are also shown on the FIRM (Exhibit 2).

The hydraulic analyses for this study are based on the effects of unobstructed flow. The flood elevations shown on the profiles are thus considered valid only if hydraulic structures remain unobstructed, operate properly, and do not fail.

3.3 Vertical Datum

All FISs and FIRMs are referenced to a specific vertical datum. The vertical datum provides a starting point against which flood, ground, and structure elevations can be referenced and compared. Until recently, the standard vertical datum in use for newly created or revised FISs and FIRMs was the National Geodetic Vertical Datum of 1929 (NGVD). With the completion of the North American Vertical Datum of 1988 (NAVD), many FIS reports and FIRMs are now prepared using NAVD as the referenced vertical datum.

Flood elevations shown in this FIS report and on the FIRM are referenced to NAVD. These flood elevations must be compared to structure and ground elevations referenced to the same vertical datum. Some of the data used in this revision were taken from the prior effective FIS reports and FIRMs and adjusted to NAVD. The datum conversion factor from NGVD to NAVD in Hancock County is -0.5 feet (NGVD – 0.5= NAVD).

14 TABLE 6 − VERTICAL DATUM CONVERSION FACTORS Conversion from NGVD29 to

Quad Name Corner Latitude Longitude NAVD88 (ft)

Ada NE 40.875 83.75 -0.459

Ada NW 40.875 83.875 -0.482

Alvada NE 41.125 83.375 -0.584

Alvada SE 41 83.375 -0.436

Alvada SW 41 83.5 -0.463

Alvada NW 41.125 83.5 -0.581

Arcadia SW 41 83.625 -0.482

Arcadia NW 41.125 83.625 -0.561

Arlington SE 40.875 83.625 -0.443

Arlington NW 41 83.75 -0.502

Bluffton NE 41 83.875 -0.522

Carey SW 40.875 83.5 -0.427

Deshler SE 41.125 83.875 -0.591

Findlay NW 41.125 83.75 -0.581

For additional information regarding conversion between the NGVD and NAVD, visit the National Geodetic Survey website at www.ngs.noaa.gov, or contact the National Geodetic Survey at the following address:

Vertical Network Branch, N/CG13 National Geodetic Survey, NOAA Silver Spring Metro Center 3 1315 East-West Highway Silver Spring, Maryland 20910 (301) 713-3191

Temporary vertical monuments are often established during the preparation of a flood hazard analysis for the purpose of establishing local vertical control. Although these monuments are not shown on the FIRM, they may be found in the

15 Technical Support Data Notebook associated with the FIS report and FIRM for this community. Interested individuals may contact FEMA to access these data.

To obtain current elevation, descriptions, and/or location information for benchmarks shown on this map, please contact the Information Services Branch of the NGS at (301) 713-3242, or visit their website at www.ngs.noaa.gov.

4.0 FLOODPLAIN MANAGEMENT APPLICATIONS

The National Flood Insurance Program (NFIP) encourages state and local governments to adopt sound floodplain management programs. To assist in this endeavor, each FIS provides 1-percent-annual-chance floodplain data, which may include a combination of the following: 10-, 2-, 1-, and 0.2-percent-annual-chance flood elevations; delineations of the 1-percent-annual-chance and 0.2-percent-annual-chance floodplains; and 1-percent- annual-chance floodway. This information is presented on the FIRM and in many components of the FIS, including Flood Profiles, Floodway Data tables, and Summary of Stillwater Elevation tables. Users should reference the data presented in the FIS as well as additional information that may be available at the local community map repository before making flood elevation and/or floodplain boundary determinations.

4.1 Floodplain Boundaries

To provide a national standard without regional discrimination, the 1-percent- annual-chance flood has been adopted by FEMA as the base flood for floodplain management purposes. The 0.2-percent-annual-chance flood is employed to indicate additional areas of flood risk in the community. For each stream studied in detail, the 1- and 0.2-percent-annual-chance floodplain boundaries have been delineated using the flood elevations determined at each cross section.

Between cross sections, the boundaries were interpolated using topographic information with a contour interval of 4 feet derived from Ohio Statewide Imagery Program (O.S.I.P.) photographic data. However, for the City of Findlay topographic maps at a scale of 1:12000 feet resulted in a contour interval of 2 feet.

The 1-percent-annual-chance and 0.2-percent-annual-chance floodplain boundaries are shown on the Flood Insurance Rate Map. On this map, the l- percent-annual-chance floodplain boundary corresponds to the boundary of the areas of special flood hazards (Zones A and AE) and the 0.2-percent-annual- chance floodplain boundary corresponds to the boundary of areas of moderate flood hazards. In cases where the 1- and 0.2-percent-annual-chance floodplain boundaries are close together, only the 1-percent-annual-chance floodplain boundary has been shown. Small areas within the floodplain boundaries may lie above the flood elevations but cannot be shown due to limitations of the map scale and/or lack of detailed topographic data.

16 For the streams studied by approximate methods, only the 1-percent-annual- chance floodplain boundary is shown on the FIRM.

4.2 Floodways

Encroachment on floodplains, such as structures and fill, reduces flood-carrying capacity, increases flood heights and velocities, and increases flood hazards in areas beyond the encroachment itself. One aspect of floodplain management involves balancing the economic gain from floodplain development against the resulting increase in flood hazard. For purposes of the NFIP, a floodway is used as a tool to assist local communities in this aspect of floodplain management. Under this concept, the area of the 1-percent-annual-chance floodplain is divided into a floodway and a floodway fringe. The floodway is the channel of a stream, plus any adjacent floodplain areas, that must be kept free of encroachment so that the base flood can be carried without substantial increases in flood heights. Minimum Federal standards limit such increases to 1 foot, provided that hazardous velocities are not produced. The floodways in this study are presented to local agencies as minimum standards that can be adopted directly or that can be used as a basis for additional floodway studies.

In the redelineation efforts, the floodways were not recalculated. As a result, there were areas where the previous floodway did not fit within the boundaries of the redelineated 1-percent annual chance floodplain. In these areas, the floodway was reduced. WSELs, with and without a floodway, the mean velocity in the floodway, and the location and area at each surveyed cross section as determined by the hydraulic methods can be seen in Table 5. The width of the floodway depicted by the FIRM panels and the amount of reduction to fit the floodway inside the 1-percent annual chance floodplain, if necessary, is also listed.

The floodways presented in this study were computed for certain stream segments on the basis of equal-conveyance reduction from each side of the floodplain. Floodway widths were computed at cross sections. Between cross sections, the floodway boundaries were interpolated. The results of the floodway computations are tabulated for selected cross sections (see Table 5, Floodway Data). In cases where the floodway and 1-percent-annual-chance floodplain boundaries are either closer together or collinear, only the floodway boundary is shown.

The area between the floodway and 1-percent-annual-chance floodplain boundaries is termed the floodway fringe. The floodway fringe encompasses the portion of the floodplain that could be completely obstructed without increasing the WSEL of the base flood more than 1 foot at any point. Typical relationships between the floodway and the floodway fringe and their significance to floodplain development are shown in Figure 1.

17 FIGURE 1 – FLOODWAY SCHEMATIC

18 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) A 183642 1,462 7,437 1.9 748.1 748.1 749.1 1.0 B 184962 1,216 9,062 1.6 748.3 748.3 749.3 1.0 C 186757 1,104 8,200 1.7 748.8 748.8 749.8 1.0 D 189186 1,428 10,867 1.3 749.2 749.2 750.2 1.0 E 192090 1,504 13,430 1.1 749.5 749.5 750.5 1.0 F 193515 2261 11405 1.3 749.7 749.7 750.7 1.0 G 195522 1206 8477 1.7 750.0 750.0 751.0 1.0 H 199535 1591 10239 1.4 750.5 750.5 751.5 1.0 I 200855 1969 14155 1.0 751.0 751.0 752.0 1.0 J 206451 1594 13356 1.1 751.6 751.6 752.6 1.0 K 209672 1617 9951 1.4 752.2 752.2 753.2 1.0 L 215586 1726 10237 1.4 753.1 753.1 754.1 1.0 M 217487 1141 6126 2.3 753.6 753.6 754.6 1.0 N 219335 812 6372 2.2 754.4 754.4 755.4 1.0 O 221235 422 4275 3.3 755.1 755.1 756.1 1.0 P 224139 608 4920 2.7 756.3 756.3 757.3 1.0 Q 225829 589 7464 1.8 756.8 756.8 757.8 1.0 R 227835 691 7706 1.7 757.2 757.2 758.2 1.0 S 230528 1469 9541 1.4 757.7 757.7 758.7 1.0 T 234383 1639 16339 0.8 757.8 757.8 758.8 1.0 U 236336 730 6049 2.2 758.3 758.3 759.3 1.0 V 240032 1088 9578 1.4 758.7 758.7 759.7 1.0 W 242250 770 7810 1.7 760.5 760.5 761.5 1.0 X 244309 433 5049 2.6 761.2 761.2 762.2 1.0 Y 245523 655 6395 2.1 761.7 761.7 762.7 1.0 Z 250592 1351 10489 1.3 762.3 762.3 763.3 1.0 AA 252968 312 3697 3.6 763.5 763.5 764.5 1.0

1 FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS BLANCHARD RIVER 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) AB 255080 348 3019 4.1 764.6 764.6 765.6 1.0 AC 256347 382 4229 3.0 765.2 765.2 766.2 1.0 AD 257245 258 3621 3.5 765.6 765.6 766.6 1.0 AE 263159 1181 9925 1.4 769.0 769.0 770.0 1.0 AF 266696 548 7068 2.0 770.1 770.1 771.1 1.0 AG 268703 565 6944 2.0 770.7 770.7 771.7 1.0 AH 269495 549 7065 2.0 770.9 770.9 771.9 1.0 AI 270107 900 10374 1.4 771.7 771.7 772.7 1.0 AJ 272073 800 8656 1.6 772.2 772.2 773.2 1.0 AK 272746 800 6902 2.0 772.4 772.4 773.3 0.9 AL 274474 800 7816 1.8 773.0 773.0 773.9 0.9 AM 275228 540 6775 2.1 773.2 773.2 774.1 0.9 AN 276326 460 6643 2.1 773.9 773.9 774.8 0.9 AO 277341 460 7156 2.0 773.9 773.9 774.8 0.9 AP 278680 695 4497 3.1 774.5 774.5 775.3 0.8 AQ 279333 880 12906 1.1 774.7 774.7 775.5 0.8 AR 280675 840 7577 1.9 774.8 774.8 775.7 0.9 AS 281477 724 6334 2.2 775.1 775.1 776.0 0.9 AT 282336 775 7788 2.4 62 776.0 776.0 776.8 0.8 AU 283436 800 7344 1.9 777.3 777.3 778.0 0.7 AV 284489 800 4965 2.8 777.9 777.9 778.8 0.9 AW 285451 800 8315 1.3 778.4 778.4 779.4 1.0 AX 286324 795 6395 1.5 778.5 778.5 779.5 1.0 AY 287440 600 5313 1.9 778.7 778.7 779.7 1.0 AZ 289093 377 6467 1.5 779.1 779.1 780.0 0.9 BA 289721 600 6251 1.6 779.1 779.1 780.0 0.9 BB 290883 600 6706 1.5 779.3 779.3 780.2 0.9

1 FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS BLANCHARD RIVER 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) BC 292564 600 6939 1.4 779.4 779.4 780.3 0.9 BD 293710 600 4811 2.0 779.5 779.5 780.4 0.9 BE 294802 525 4472 2.2 779.8 779.8 780.7 0.9 BF 295835 600 4573 2.2 780.5 780.5 781.3 0.8 BG 296897 600 6604 1.5 780.9 780.9 781.6 0.7 BH 297738 600 6125 1.6 781.0 781.0 781.8 0.8 BI 298574 600 5979 1.6 781.1 781.1 782.0 0.9 BJ 299619 510 5090 1.9 781.2 781.2 782.2 1.0 BK 300512 610 6455 1.5 781.6 781.6 782.5 0.9 BL 301923 950 8219 1.2 781.9 781.9 782.7 0.8 BM 302997 950 5212 1.9 782.1 782.1 782.9 0.8 BN 304218 1160 7022 1.4 782.6 782.6 783.4 0.8 BO 305150 1010 4900 2.0 782.8 782.8 783.8 1.0 BP 306249 736 4680 2.1 783.7 783.7 784.5 0.8 BQ 308421 650 4768 2.1 785.5 785.5 786.0 0.5 BR 309731 650 4474 2.2 786.3 786.3 786.8 0.5 BS 310823 522 4456 1.9 786.6 786.6 787.6 1.0 BT 313358 1941 15452 0.6 787.1 787.1 788.1 1.0 BU 315522 447 4073 1.8 787.4 787.4 788.3 0.9 BV 319007 597 3073 2.5 789.5 789.5 790.5 1.0 BW 320486 308 1955 4.0 791.1 791.1 792.1 1.0 BX 321700 282 1486 5.3 792.5 792.5 793.5 1.0 BY 323759 449 2695 2.9 793.9 793.9 794.9 1.0 BZ 324815 575 3844 1.7 794.6 794.6 795.6 1.0 CA 326716 1378 8828 0.8 794.8 794.8 795.8 1.0 CB 328194 891 5275 1.3 795.2 795.2 796.2 1.0 CC 329778 396 2709 2.5 796.2 796.2 797.2 1.0

1 FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS BLANCHARD RIVER 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) CD 331257 162 1596 4.2 797.0 797.0 798.0 1.0 CE 332471 400 3009 2.2 797.4 797.4 798.4 1.0 CF 334794 296 2478 2.7 798.4 798.4 799.4 1.0 CG 337804 1718 6433 1.0 798.7 798.7 799.7 1.0 CH 339124 561 2061 3.3 799.4 799.4 800.4 1.0 CI 340814 866 3583 1.9 801.4 801.4 802.4 1.0 CJ 342292 639 2958 2.3 802.0 802.0 803.0 1.0 CK 343454 411 2029 3.3 803.6 803.6 804.6 1.0 CL 344879 1330 4613 1.4 804.0 804.0 805.0 1.0 CM 346516 514 2057 3.2 805.0 805.0 806.0 1.0 CN 349050 710 2477 2.6 806.1 806.1 807.1 1.0 CO 351954 347 1692 3.8 808.4 808.4 809.4 1.0 CP 354858 233 2254 2.9 810.9 810.9 811.9 1.0 CQ 356970 718 3973 1.6 811.3 811.3 812.3 1.0 CR 359294 537 4115 1.6 811.9 811.9 812.9 1.0 CS 361247 894 4162 1.6 812.3 812.3 813.3 1.0 CT 363042 1142 5616 1.2 812.7 812.7 813.7 1.0 CU 363887 653 4128 1.6 813.2 813.2 814.2 1.0 CV 365313 665 3210 2.0 814.3 814.3 815.3 1.0 CW 367214 598 2487 2.6 815.3 815.3 816.3 1.0 CX 369801 741 2470 2.6 816.7 816.7 817.7 1.0 CY 371385 654 2697 2.4 817.4 817.4 818.4 1.0 CZ 373550 608 2563 2.5 818.4 818.4 819.4 1.0 DA 374606 340 2695 2.1 820.1 820.1 821.0 0.9 DB 375978 297 2960 1.9 821.0 821.0 821.8 0.8 DC 377140 343 2930 1.9 821.3 821.3 822.1 0.8 DD 379146 832 5076 0.9 821.8 821.8 822.6 0.8

1 FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS BLANCHARD RIVER 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) DE 380783 516 3714 1.3 822.2 822.2 823.1 0.9 DF 382684 463 2800 1.7 822.9 822.9 823.8 0.9 DG 384374 819 2860 1.7 824.4 824.4 825.4 1.0 DH 385482 95 774 6.2 827.7 827.7 828.2 0.5 DI 386169 134 1122 4.3 829.3 829.3 829.9 0.6 DJ 386697 589 3760 1.3 830.2 830.2 830.9 0.7 DK 388439 776 3691 1.3 830.8 830.8 831.6 0.8 DL 390287 486 2780 1.7 831.6 831.6 832.5 0.9 DM 392135 419 2015 2.4 832.9 832.9 833.9 1.0 DN 392716 596 3032 1.9 833.4 833.4 834.4 1.0 DO 393561 503 2724 2.1 833.9 833.9 834.9 1.0 DP 394934 208 1491 3.8 835.6 835.6 836.6 1.0 DQ 395620 198 1029 5.0 836.7 836.7 837.7 1.0 DR 397785 306 2156 2.4 838.7 838.7 839.7 1.0 DS 401903 279 1376 3.4 842.3 842.3 843.3 1.0 DT 404438 497 1733 2.7 843.8 843.8 844.8 1.0 DU 406761 420 2069 2.3 846.8 846.8 847.8 1.0 DV 407606 398 2178 2.2 847.8 847.8 848.8 1.0 DW 410087 504 1909 2.5 849.4 849.4 850.4 1.0 DX 411407 390 1322 3.6 852.1 852.1 853.1 1.0 DY 413150 150 973 4.8 857.2 857.2 858.2 1.0 DZ 415050 426 2150 2.2 859.7 859.7 860.7 1.0 EA 417743 1188 2702 1.7 532 861.2 861.2 862.2 1.0 EB 419538 330 1496 3.1 862.4 862.4 863.4 1.0 EC 422442 621 2631 1.8 863.2 863.2 864.2 1.0 ED 425294 681 3653 1.3 864.4 864.4 865.4 1.0 EE 427458 324 2324 2.0 865.3 865.3 866.3 1.0

1 FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS BLANCHARD RIVER 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) EF 428778 727 2217 2.1 866.1 866.1 867.1 1.0 EG 431049 938 3299 1.4 867.9 867.9 868.9 1.0 EH 433161 573 3,110 1.5 868.8 868.8 869.8 1.0 EI 434956 320 1,744 2.7 870.1 870.1 871.1 1.0 EJ 437385 297 1,969 2.4 872.9 872.9 873.5 0.6 EK 439814 1496 8,305 0.6 873.8 873.3 874.1 0.8

1 FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS BLANCHARD RIVER 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) A 4,620 264 914 4.5 778.0 777.5 2 777.6 0.1 B 5,476 235 1,169 3.5 778.2 778.2 778.4 0.2 C 6,677 235 985 4.2 779.0 779.0 779.4 0.4 D 7,341 230 861 4.8 779.7 779.7 780.1 0.4 E 8,887 320 1,795 2.5 781.6 781.6 782.1 0.5 F 10,297 350 1,207 3.8 782.2 782.2 782.7 0.5 G 11,583 370 1,465 3.1 783.2 783.2 783.9 0.7 H 12,133 280 1,151 3.9 783.5 783.5 784.4 0.9 I 13,731 180 783 5.8 785.9 785.9 786.4 0.5 J 14,119 130 1,014 4.5 787.1 787.1 787.2 0.1 K 15,345 120 1,119 4.0 787.8 787.8 788.3 0.5 L 15,464 125 1,242 3.6 788.2 788.2 788.8 0.6 M 16,086 440 2,574 1.8 788.5 788.5 789.1 0.6 N 16,579 440 2,743 1.7 788.6 788.6 789.2 0.6 O 17,465 450 2,380 1.9 788.7 788.7 789.5 0.8 P 17,315 470 2,094 2.2 788.9 788.9 789.8 0.9 Q 19,557 400 1,792 2.5 789.4 789.4 790.4 1.0 R 20,278 101 687 6.6 790.3 790.3 791.0 0.7 S 20,593 100 736 6.1 791.2 791.2 791.8 0.6 T 20,927 90 771 5.9 792.3 792.3 792.5 0.2 U 21,730 90 908 5.0 793.0 793.0 793.5 0.5 V 22,630 70 776 5.8 793.6 793.6 794.2 0.6 Q 23,223 100 942 4.8 794.0 794.0 794.8 0.8 X 23,437 105 1,030 4.4 794.7 794.7 795.2 0.5 Y 24,496 280 2,206 2.1 795.1 795.1 795.8 0.7 Z 25,579 320 2,001 2.3 795.2 795.2 796.0 0.8 AA 26,434 320 2,027 2.2 795.3 795.3 796.3 1.0

1 FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 2 ELEVATION COMPUTED WITHOUT CONSIDERATION OF BACKWATER EFFECTS FROM BLANCHARD RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS EAGLE CREEK 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) AB 27,779 873 4,822 1.0 797.6 797.6 798.3 0.7 AC 28,940 422 2,494 1.9 798.0 798.0 798.8 0.8 AD 30,683 401 2,148 2.2 799.1 799.1 800.0 0.9 AE 31,158 488 2,517 1.9 799.6 799.6 800.5 0.9 AF 32,689 548 3,518 1.4 800.4 800.4 801.3 0.9 AG 34,748 318 2,092 2.3 801.3 801.3 802.2 0.9 AH 36,068 419 2,335 2.1 804.3 804.3 805.3 1.0 AI 37,177 197 1,386 3.2 805.8 805.8 806.7 0.9 AJ 37,336 327 2,199 2.0 806.8 806.8 807.8 1.0 AK 37,969 581 4,396 1.0 807.1 807.1 808.1 1.0 AL 38,972 330 2,578 1.7 807.6 807.6 808.6 1.0 AM 40,926 393 2,839 1.6 808.3 808.3 809.3 1.0 AN 41,771 408 2,208 2.0 808.8 808.8 809.8 1.0 AO 42,668 346 2,339 1.9 810.4 810.4 811.2 0.8 AP 44,622 396 1,533 2.9 812.3 812.3 813.0 0.7 AQ 45,467 217 1,024 4.4 815.2 815.2 815.6 0.4 AR 46,892 200 1,102 4.1 819.8 819.8 820.7 0.9 AS 48,265 309 1,594 2.5 822.7 822.7 823.5 0.8 AT 49,955 860 3,099 1.2 825.5 825.5 826.2 0.7 AU 52,014 471 2,386 1.4 827.1 827.1 827.4 0.3 AV 53,809 179 654 5.0 828.7 828.7 829.1 0.4 AW 54,496 832 1,744 1.9 631 831.1 831.1 832.0 0.9 AX 55,921 615 1,936 1.7 832.9 832.9 833.9 1.0 AY 56,555 583 1,298 2.5 833.7 833.7 834.7 1.0 AZ 58,033 231 1,201 2.7 837.5 837.5 838.5 1.0 BA 58,720 145 907 3.6 838.8 838.8 839.8 1.0 BB 59,248 589 2,322 1.4 840.0 840.0 841.0 1.0

1 FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS EAGLE CREEK 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) BC 61,888 563 2,672 1.2 842.0 842.0 842.9 0.9 BD 63,313 508 2,852 1.1 844.3 844.3 845.1 0.8 BE 65,953 347 1,250 1.9 845.3 845.3 846.1 0.8 BF 70,652 373 1,703 1.4 852.2 852.2 853.2 1.0 BG 71,444 452 1,884 1.3 853.6 853.6 854.3 0.7 BH 72,553 155 748 3.2 854.7 854.7 855.5 0.8 BI 74,190 163 733 3.2 858.3 858.3 859.3 1.0 BJ 74,929 184 1,016 2.3 860.8 860.8 861.4 0.6

1 FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS EAGLE CREEK 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) A 1234 33 157 5.5 774.6 767.9 2 767.9 0.0 B 1445 48 217 4.0 774.6 767.2 2 769.3 0.1 C 1920 102 382 2.2 774.6 771.4 2 772.0 0.6 D 2501 42 179 4.8 774.6 772.8 2 773.1 0.3 E 2818 100 465 1.8 774.6 774.0 2 774.6 0.6 F 3240 101 328 2.6 774.6 774.3 2 774.9 0.6 G 3610 143 503 1.7 774.7 774.7 775.6 0.9 H 3874 161 685 1.3 775.5 775.5 776.2 0.7 I 4244 143 543 1.6 775.6 775.6 776.3 0.7 J 4613 108 343 2.5 776.0 776.0 776.6 0.6 K 4824 40 205 4.2 776.9 776.9 777.4 0.5 L 5141 83 291 3.4 777.7 777.7 778.3 0.6 M 5352 25 145 5.9 777.9 777.9 778.3 0.4 N 5669 205 526 1.6 779.9 779.9 780.4 0.5 O 6039 32 193 4.5 780.6 780.6 781.4 0.8 P 7095 25 168 5.1 783.0 783.0 783.6 0.6 Q 7887 18 133 6.5 784.0 784.0 784.6 0.6 R 8256 63 344 2.5 785.0 785.0 785.7 0.7 S 8573 30 158 5.4 785.6 785.3 786.0 0.7 T 9207 34 214 4.0 786.6 786.6 787.3 0.7 U 9735 40 240 3.6 787.6 787.6 788.2 0.6 V 9893 82 357 2.4 788.5 788.5 789.0 0.5 W 10157 46 209 4.1 788.6 788.6 789.2 0.6 X 10316 22 155 5.6 789.0 789.0 789.4 0.4 Y 10474 173 572 1.5 790.2 790.2 791.2 1.0 Z 10738 35 248 3.5 790.3 790.3 791.2 0.9 AA 11002 24 155 5.6 790.6 790.6 791.4 0.8

1 FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 2 ELEVATION COMPUTED WITHOUT CONSIDERATION OF BACKWATER EFFECTS FROM BLANCHARD RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS HOWARD RUN 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) AB 11213 23 146 5.9 791.7 791.7 792.2 0.5 AC 12005 125 591 1.5 792.9 792.6 793.5 0.9 AD 12619 126 445 1.9 793.4 793.4 794.2 0.8 AE 12830 27 196 4.4 793.9 793.9 794.9 1.0 AF 12517 207 780 1.1 795.0 795.0 795.9 0.9 AG 13939 32 222 3.9 795.1 795.1 796.0 0.9

1 FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 2 ELEVATION COMPUTED WITHOUT CONSIDERATION OF BACKWATER EFFECTS FROM BLANCHARD RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS HOWARD RUN 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) A 4,028 100 439 4.4 778.5 774.0 2 774.8 0.8 B 4,986 120 660 2.9 778.5 775.0 2 775.9 0.9 C 5,998 100 482 3.9 778.5 776.2 2 776.8 0.6 D 7,085 100 612 3.1 778.5 776.7 2 777.5 0.8 E 7,880 110 544 3.5 778.5 777.1 2 778.0 0.9 F 8,565 80 464 4.1 778.5 777.4 2 778.4 1.0 G 8917 80 487 3.9 778.5 777.8 2 778.7 0.9 H 9349 90 545 3.5 778.5 778.3 2 779.2 0.9 I 9545 90 475 4.0 778.6 778.6 779.3 0.7 J 10180 100 518 3.6 779.0 779.0 779.9 0.9 K 10465 120 585 3.2 779.4 779.4 780.2 0.8 L 10801 10 403 4.7 779.7 779.7 780.4 0.7 M 11828 80 332 5.7 781.2 781.2 782.2 1.0 N 12120 210 1,047 1.9 783.6 783.6 784.6 1.0 O 13017 387 1,771 1.1 784.4 784.4 785.4 1.0 P 13651 536 2,437 0.8 784.8 784.8 785.8 1.0 Q 15076 502 2,395 0.8 785.2 785.2 786.2 1.0 R 16555 364 1,805 1.1 785.7 785.7 786.7 1.0 S 17980 639 2,039 1.0 220 786.5 786.5 787.5 1.0

1 FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 2 ELEVATION COMPUTED WITHOUT CONSIDERATION OF BACKWATER EFFECTS FROM BLANCHARD RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS LYE CREEK 1%-ANNUAL-CHANCE FLOOD FLOODING SOURCE FLOODWAY WATER SURFACE ELEVATION (FEET NAVD 88) WIDTH SECTION MEAN CROSS WIDTH REDUCED WITHOUT WITH DISTANCE1 AREA VELOCITY REGULATORY INCREASE SECTION (FEET) FROM PRIOR FLOODWAY FLOODWAY (SQUARE FEET) (FEET PER SECOND) STUDY (FEET) A 2112 90 309 2.7 781.1 777.3 2 777.7 0.4 B 2640 49 242 3.5 781.1 778.3 2 778.9 0.6 C 3221 22 108 7.8 781.1 779.2 2 779.9 0.7 D 3696 20 117 7.2 782.5 782.5 783.2 0.7 E 3854 50 340 2.5 784.2 784.2 785.0 0.8 F 4066 79 375 2.2 784.3 784.3 785.1 0.8 G 4277 26 127 6.6 784.5 784.5 785.5 1.0 H 4382 85 323 2.6 785.9 785.9 786.7 0.8 I 4541 105 494 1.7 786.6 786.6 787.5 0.9 J 4646 39 207 4.1 786.9 786.9 787.8 0.9 K 4805 66 276 3.0 787.5 787.5 788.4 0.9

1 FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 2 ELEVATION COMPUTED WITHOUT CONSIDERATION OF BACKWATER EFFECTS FROM BLANCHARD RIVER

TABLE 7 FEDERAL EMERGENCY MANAGEMENT AGENCY FLOODWAY DATA HANCOCK COUNTY, OH AND INCORPORATED AREAS RUSH CREEK 5.0 INSURANCE APPLICATION

For flood insurance rating purposes, flood insurance zone designations are assigned to a community based on the results of the engineering analyses. These zones are as follows:

Zone A

Zone A is the flood insurance rate zone that corresponds to the 1-percent-annual-chance floodplains that are determined in the FIS by approximate methods. Because detailed hydraulic analyses are not performed for such areas, no base (1-percent-annual-chance) flood elevations (BFEs) or depths are shown within this zone.

Zone AE

Zone AE is the flood insurance rate zone that corresponds to the 1-percent-annual-chance floodplains that are determined in the FIS by detailed methods. Whole-foot BFEs derived from the detailed hydraulic analyses are shown at selected intervals within this zone.

Zone X

Zone X is the flood insurance rate zone that corresponds to areas outside the 0.2-percent- annual-chance floodplain, areas within the 0.2-percent-annual-chance floodplain, and to areas of 1-percent-annual-chance flooding where average depths are less than 1 foot, areas of 1-percent-annual-chance flooding where the contributing drainage area is less than 1 square mile (sq. mi.), and areas protected from the 1-percent-annual-chance flood by levees. No BFEs or depths are shown within this zone.

6.0 FLOOD INSURANCE RATE MAP

The FIRM is designed for flood insurance and floodplain management applications.

For flood insurance applications, the map designates flood insurance rate zones as described in Section 5.0 and, in the 1-percent-annual-chance floodplains that were studied by detailed methods, shows selected whole-foot BFEs or average depths. Insurance agents use zones and BFEs in conjunction with information on structures and their contents to assign premium rates for flood insurance policies.

For floodplain management applications, the map shows by tints, screens, and symbols, the 1- and 0.2-percent-annual-chance floodplains, floodways, and the locations of selected cross sections used in the hydraulic analyses and floodway computations.

The countywide FIRM presents flooding information for the entire geographic area of Hancock County except for areas located within the Village of Bluffton. Previously, FIRMs were prepared for each incorporated community and the unincorporated areas of the County identified as flood-prone. This countywide FIRM also includes flood-hazard

32 information that was presented separately on Flood Boundary and Floodway Maps (FBFMs), where applicable. Historical data relating to the maps prepared for each community are presented in Table 6, “Community Map History.”

33 FLOOD HAZARD FLOOD INSURANCE FLOOD INSURANCE COMMUNITY NAME INITIAL IDENTIFICATION BOUNDARY MAP RATE MAP RATE MAP REVISION DATE(S) EFFECTIVE DATE REVISION DATE(S)

Arcadia, Village of July 11, 1975 None March 1, 1987 None

Arlington, Village of June 2, 2011 None June 2, 2011 None

Benton Ridge, Village of August 9, 1974 April 23, 1976 November 23, 1984 None

Findlay, City of January 23, 1974 May 21, 1976 December 4, 1984 April 5, 1988 September 20,2006

Fostoria, City of April 12, 1974 April 16, 1976 July 1, 1987 None (Dual County Community) June 22, 1979 (Wood County) (Seneca County)

Hancock County December 30, 1977 None August 5, 1991 None (Unincorporated Areas)

Jenera, Village of August 9, 1974 May 21, 1976 May 1, 2008 None

*McComb, Village of N/A None N/A None

Mount Blanchard, Village of August 9, 1974 May 21, 1976 February 5, 1986 None

*No Special Flood Hazard Areas Identified

T A FEDERAL EMERGENCY MANAGEMENT AGENCY B L HANCOCK COUNTY, OH COMMUNITY MAP HISTORY E AND INCORPORATED AREAS 8

FLOOD HAZARD FLOOD INSURANCE FLOOD INSURANCE COMMUNITY NAME INITIAL IDENTIFICATION BOUNDARY MAP RATE MAP RATE MAP REVISION DATE(S) EFFECTIVE DATE REVISION DATE(S)

*Mount Cory, Village of N/A None N/A None

*Rawson, Village of N/A None N/A None

Van Buren, Village of March 22, 1974 June 18, 1976 June 2, 2011 None

*Vanlue, Village of N/A None N/A None

*No Special Flood Hazard Areas Identified

T A FEDERAL EMERGENCY MANAGEMENT AGENCY B L HANCOCK COUNTY, OH COMMUNITY MAP HISTORY E AND INCORPORATED AREAS 8

7.0 OTHER STUDIES

This FIS report either supersedes or is compatible with all previous studies published on streams studied in this report and should be considered authoritative for the purposes of the NFIP.

8.0 LOCATION OF DATA

Information concerning the pertinent data used in the preparation of this study can be obtained by contacting Federal Insurance and Mitigation Division, FEMA Region V, 536 South Clark Street, Sixth Floor, Chicago, IL 60605.

9.0 REFERENCES AND BIBLIOGRAPHY

1. Federal Emergency Management Agency. (1986). Flood Insurance Study, Village of Mount Blanchard. Hancock County, Ohio.

2. Federal Emergency Management Agency. (2006). Flood Insurance Study, City of Findlay. Hancock County, Ohio.

3. Federal Emergency Management Agency. (1991). Flood Insurance Study, Hancock County Unincorporated Areas, Hancock County, Ohio.

4. U.S. Department of Commerce, Bureau of the Census. (1980, 1990 and 2000). Census of Population, Ohio. Washington, D.C., April 2000.

5. Environmental Sciences Services Administration, Climatological Surrmary, Findlay, Ohio, 1967.

6. U.S. Department of Agriculture, Soil Conservation Service, Soil Conservation Service, Soil Survey of Hancock County, Ohio, Washington, D.C., February 1982

7. Ohio Department of Natural Resources, Division of Water, Gazetteer of Ohio Streams, Ohio Water Plan Inventory Report No. 12a, 1960.

8. Ohio Department of Natural Resources, Division Water, Drainage Areas of Ohio Streams, Supplement to Gazetteer of Ohio Streams, Ohio Water Plan Inventory Report No. 12a, 1967.

9. U. S. Geological Survey, Preliminary Data for Open-File Report on June 1981 Flood on Blanchard River, 1981.

10. Findlay Courier, June 17, 1981.

11. Ohio Department of Natural Resources, Division of Water, Preliminary Reports of Floods in Ohio, January 1959 and February 1959, 1959.

36 12. National Oceanic and Atmospheric Administration, National Climatic Data Center, Storm Events, Fulton, Ohio, 2008.

13. U. S. Department of Housing and Urban Development, Federal Insurance Administration, Code of Federal Regulations, Title 24, Chapter 10, Parts 1910.3A and 3B, Federal Register, Volume 41, No. 207, revision 1976.

14. Ohio Department of Natural Resources, Division of Water, Bulletin No. 45, Floods in Ohio, Magnitude and Frequency, E.E. Weber and W.P. Barlett, Jr., May 1972.

15. U. S. Department of Agriculture, Soil Conservation Service, Flood Plain Management Study: The Blanchard River and Riley Creek-Allen, Putnam, Hancock, and Hardin Counties, Ohio, December 1987, corrected August 1988, revised July 1990.

16. Koltun, G.F., and Roberts, J.W., U.S. Geological Survey, Techniques for Estimating Flood-Peak Discharges of Rural, Unregulated Streams in Ohio, Water-Resources Investigations Report 89-4126, March 1990.

17. U. S. Department of the Interior, Geological Survey, Interagency Advisory Committee on Water Data, Office of Water Data Coordination, Hydrology Subcommittee, Bulletin No. 17B, Guidelines for Determining Flood Flow Frequency, September 1981, revised March 1982.

18. U.S. Department of Agriculture, Soil Conservation Service, Technical Release No. 55, Urban Hydrology for Small Watersheds, January 1975.

19. ESRI. (2008). ArcGIS v.9.2. Redlands, California.

20. U.S. Army Corps of Engineers Hydrologic Engineering Center. (2008). HEC-RAS River Analysis System. Davis, California.

21. Woolpert Consultants, Aerial Photography, Scale 1:9600, April 1983.

22. U.S. Army Corps of Engineers, Hydrologic Engineering Center, HEC-2 Water Surface Profiles, Computer Program 723-X6=L202A, Davis, California, December 1968, with updates.

23. U.S. Department of Agriculture, Soil Conservation Service, Technical Release No. 61, WSP-2 Computer Program, May 1976.

24. MAN Mapping Services, Inc., GIS Topographic Map Layer for the City of Findlay, Contour Interval 2 feet, Columbus, Ohio, 1999.

37 790 790

6

1

780 Y 780

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0.2% ANNUAL CHANCE FLOOD R

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P 1% ANNUAL CHANCE FLOOD Y

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2% ANNUAL CHANCE FLOOD* C

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710 O

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10% ANNUAL CHANCE FLOOD R C

D

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A STREAM BED M

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H A B C D E CROSS SECTION LOCATION L

A

*DATA NOT AVAILABLE R

700 E

D

182500 183500 184500 185500 186500 187500 188500 189500 190500 191500 192500 193500 194500 195500 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 01P 790 790

3

5 780 780

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770 O 770

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H H I J CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

700 E

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196642 197642 198642 199642 200642 201642 202642 203642 204642 205642 206642 207642 208642 209642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 02P 790 790

K

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700 E

D

209642 210642 211642 212642 213642 214642 215642 216642 217642 218642 219642 220642 221642 222642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 03P 800 800

5

790 3 790

2

Y

A

W

H

G

I

H

E

T

A

S

R 780 T 780

E

E

S

L

V

I

I

F

R

O

D

R

R

A

P

H

D 770 770 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 760 760

N

(

T

E

E

F

N

I

N

O

I

T 750 750

A

V

E

L

E

Y

C

N

740 740 E

G

A

H

T

N

O

S

E

A T ,

E

M

R

Y

E

A

G 730 730 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

720 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H P Q R S CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

710 E

D

222642 223642 224642 225642 226642 227642 228642 229642 230642 231642 232642 233642 234642 235642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 04P 800 800

790 D 790

A

O

R

P

I

H

S

N

W

O

S

T 780 780 R

E

E

L

V

I

I

F

R

O

D

R

R

A

P

H

D 770 770 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 760 760

N

(

T

E

E

F

N

I

N

O

I

T 750 750

A

V

E

L

E

Y

C

N

740 740 E

G

A

H

T

N

O

S

E

A

,

E

M

R

Y

E

A

G 730 730 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

720 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H U V W X Y CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

710 E

D

235642 236642 237642 238642 239642 240642 241642 242642 243642 244642 245642 246642 247642 248642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 05P 810 810

800 800

N

U

R

S

D 790 790 R

N

E

E

A

L

V

R

I

I

U

F

R

A

O

F

D

O

R

R

E

A

P

C

H

N

E

D

C

780 U 780

N

L

O

F

A

N O

L

O

L

B

C

F

)

8

8

D

V

A 770 770

N

(

T

E

E

F

N

I

N

O

I

T 760 760

A

V

E

L

E

Y

C

N

750 750 E

G

A

H

T

N

O

S

E

A

,

E

M

R

Y

E

A

G 740 740 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

730 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H Z AA AB AC AD CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

720 E

D

248642 249642 250642 251642 252642 253642 254642 255642 256642 257642 258642 259642 260642 261642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 06P 810 810

0

4

9

1

3

800 800

1

Y

E

A

T

W

U

H

O

G

I

R

H

Y

T

Y

T

N

N

U

S

U

O 790 790 R

E

C O

E

C

L

V

I

I

F

R

O

D

R

R

A

P

H

D 780 780 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 770 770

N

(

T

E

E

F THE 0.2%, 2% and 10% ANNUAL CHANCE FLOOD

N

I

PROFILE DATA IS NOT AVAILABLE

N

O

I

T 760 760

A

V

E

L

E

Y

C

N

750 750 E

G

A

H

T

N

O

S

E

A AJ AK AL ,

E

M

R

Y

E

A

G 740 740 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

730 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H AE AF AG AH AI CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

720 E

D

261642 262642 263642 264642 265642 266642 267642 268642 269642 270642 271642 272642 273642 274642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 07P 820 820

E

5

T 7

A

Y

T

A

S

Y

W

R

A

N

E H

T

K

U

K

T

W

G

E

E

I

E

R

N

E

E

R

I

H

E

T

T

J

R

R

D

2 R

E

Y E

E

T

C

R

1

C

G

E 810 E 810

T

U

Y

E

S

A

E

N

R

R

Y E

N

A

U

N

I

L

D

W

T

T

Y

L

A

E

U

N

D K

G

L

R

S

O S

V

D

E

O

A

W

A

R

A

H

F

A

V

N

C

Y

N

E

O

H

I

E

I

H

O

A

F

R

F

R

G

N

K F

H

C

A

I

O L

O

E

D

A

F

C I T

O

N

H

M

C

C

E

A

O H

O A U

A

E

E

N

L

C

O

C R A

H

H L

C

Y

T E

N

R

T R

T

B

N

N

T

N

A U

E I

I

B

U A

U

S

A

E

L

H

T

R

T

C

U

C

O

O

H

F 800 U 800

T

S E

L

R

E

S L

S

N

F

R

A

L

F

V

O

N

O

I

I

N

M

C

O

N

F

O

R

C

R

C

D

O

D

R

R

A

P

H

D 790 790 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 780 780

N

(

T

E

E

F

N

I

N

O

I

T 770 770

A

V

E

L

E

Y

C

N

760 760 E

G

A

H

T

N

O

S

E

A AW AX AY ,

E

M

R

Y

E

A

G 750 750 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD* R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

740 O

G I

10% ANNUAL CHANCE FLOOD* R C

D

E

N

N

A STREAM BED M

A

E

H AM AN AO AP AQ AR AS AT AU AV CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

730 E

D

274642 275642 276642 277642 278642 279642 280642 281642 282642 283642 284642 285642 286642 287642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 08P 820 820

K

E

E

R

C

Y

E

810 Y 810

D

T

H

U

A

D

A

N

S

L

N

A

O

U

U

E

D

R O

O

R

V

N

R

I C

D

A

M

F

F

E

T

K

A

O

N

F

H

C

D

M

E

R

O

G

O

A

I

C

O

Y C

N

R

N

B

T

N

N E

B

I

S

S

A

U U

C

O

R

L 800 H 800

E

E

F

L

N

V

I

I

O

F

R

C

O

D

R

R

A

P

H

D 790 790 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 780 780

N

(

T

E

E

F

N

I

N

O

I

T 770 770

A

V

E

L

E

Y

C

N

760 760 E

G

A

H

T

N

O

S

E

A BH BI BJ BK ,

E

M

R

Y

E

A

G 750 750 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD* R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

740 O

G I

10% ANNUAL CHANCE FLOOD* R C

D

E

N

N

A STREAM BED M

A

E

H AZ BA BB BC BD BE BF BG CROSS SECTION LOCATION L

A

*DATA NOT AVAILABLE R

730 E

D

287642 288642 289642 290642 291642 292642 293642 294642 295642 296642 297642 298642 299642 300642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 09P 830 830

T

E

L

T

1

8

U

4

6

820 2 820

O

5

E

D

Y

H

A

A

T

O

W

R

F

H

O

P

G

I

I

E

H

H

C

S

E

N

N

T

E

A

S

W

U

R

L

T 810 O 810

E

F

E

S

T

L

N

V

I

I

O

C F

R

O

D

R

R

A

P

H

D 800 800 C

N

O

A

O

L

L

B

F

)

8

8

THE 0.2%, 2% and 10% ANNUAL CHANCE FLOOD

D

V PROFILE DATA IS NOT AVAILABLE

A 790 790

N

(

T

E

E

F

N

I

N

O

I

T 780 780

A

V

E

L

E

Y

C

N

770 770 E

G

A

H

T

N

O

S

E

A BS BT ,

E

M

R

Y

E

A

G 760 760 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

750 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H BL BM BN BO BP BQ BR CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

740 E

D

300642 301642 302642 303642 304642 305642 306642 307642 308642 309642 310642 311642 312642 313642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 10P 840 840

7 5

0 0

830 2 2 830

D D

A A

O O

R R

P P

I I

H H

S S

N N

S

W W

R

820 O O 820

E

E

T T

L

V

I

I

F

R

O

D

R

R

A

P

H

D 810 810 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 800 800

N

(

T

E

E

F

N

I

N

O

I

T 790 790

A

V

E

L

E

Y

C

N

780 780 E

G

A

H

T

N

O

S

E

A BY BZ ,

E

M

R

Y

E

A

G 770 770 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

760 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H BU BV BW BX CROSS SECTION LOCATION L

A

*DATA NOT AVAILABLE R

750 E

D

313642 314642 315642 316642 317642 318642 319642 320642 321642 322642 323642 324642 325642 326642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 11P 850 850

3

7

840 1 840

D

A

O

R

P

I

H

S

N

S

W

R

830 O 830

E

E

T

L

V

I

I

F

R

O

D

R

R

A

P

H

D 820 820 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 810 810

N

(

T

E

E

F

N

I

N

O

I

T 800 800

A

V

E

L

E

Y

C

N

790 790 E

G

A

H

T

N

O

S

E

A CG CH ,

E

M

R

Y

E

A

G 780 780 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

770 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H CA CB CC CD CE CF CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

760 E

D

326642 327642 328642 329642 330642 331642 332642 333642 334642 335642 336642 337642 338642 339642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 12P 840 840

9

6

5

1

1

830 830

Y

Y

A

A

W

W

H

H

G

G

I

I

H

H

Y

E

T

T

N

A

S

T

U 820 820 R

S E

O

E

C

L

V

I

I

F

R

O

D

R

R

A

P

H

D 810 810 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 800 800

N

(

T

E

E

F

N

I

N

O

I

T 790 790

A

V

E

L

E

Y

C

N

780 780 E

G

A

H

T

N

O

S

E

A CO ,

E

M

R

Y

E

A

G 770 770 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

760 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H CI CJ CK CL CM CN CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

750 E

D

339642 340642 341642 342642 343642 344642 345642 346642 347642 348642 349642 350642 351642 352642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 13P 860 860

6

6

2

6

850 1 850

Y

A

D

A

W

O

H

R

G

I

P

I H

H

Y

S

T

N

N

S

W U

R

840 O O 840

E

E

T

C

L

V

I

I

F

R

O

D

R

R

A

P

H

D 830 830 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 820 820

N

(

T

E

E

F

N

I

N

O

I

T 810 810

A

V

E

L

E

Y

C

N

800 800 E

G

A

H

T

N

O

S

E

A CT CU CV ,

E

M

R

Y

E

A

G 790 790 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

780 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H CP CQ CR CS CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

770 E

D

352642 353642 354642 355642 356642 357642 358642 359642 360642 361642 362642 363642 364642 365642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 14P 870 870

N

U

R

5

O

7

2

3

T

860 860

A

D

Y

T

A

A

O

O

W

P

R

H

F

P

G

I

O

I

H

H

E

S

C

E

N

T

N

E

A

W

S

U

T

O

R

850 L 850

S E

T

E

F

L

V

N

I

I

O

F

R

C

O

D

R

R

A

P

H

D 840 840 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 830 830

N

(

T

E

E

F

N

I

N

O

I

T 820 820

A

V

E

L

E

Y

C

N

810 810 E

G

A

H

T

N

O

S

E

A DB DC ,

E

M

R

Y

E

A

G 800 800 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

790 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H CW CX CY CZ DA CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

780 E

D

365642 366642 367642 368642 369642 370642 371642 372642 373642 374642 375642 376642 377642 378642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 15P 880 880

T

E

E

R

T

S

D

Y

R

A

A

L

H

C

4

C

2

Y Y

N 870 870

T T T

Y

A

E

N N

L

A

D

F

E

U U

B

D

R

R

O

W

O O

T

A

A

T

T

H

E

C C

N

O

H

S

N

G

G

I

U

R

C

K K

U

K

A

L

H

O

C I C

N

O

L

R

O A O

L

Y A

M

I

M A

L

C R T C

V

P

F

B

N N N

O

S

A U A

W

R

E 860 H O H 860

E

E

G

C

L

V

A

I

I

L

L

F

R

I

V

O

D

R

R

A

P

H

D 850 850 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 840 840

N

(

T

E

E

F

N

I

N

O

I

T 830 830

A

V

E

L THE 2% ANNUAL CHANCE FLOOD E PROFILE DATA IS NOT AVAILABLE

Y

C

N

820 820 E

G

THE 2% ANNUAL CHANCE FLOOD PROFILE DATA IS NOT AVAILABLE A

H

T

N

O

S

E

A DL ,

E

M

R

Y

E

A

G 810 810 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD C

E

N

800 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H DD DE DF DG DH DI DJ DK CROSS SECTION LOCATION L

A

R

790 E

D

378642 379642 380642 381642 382642 383642 384642 385642 386642 387642 388642 389642 390642 391642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 16P 890 890

1

3

7

0

880 2 880

1

D

Y

A

A

O

W

R

H

P

G

I

I

H

H

S

E

N

T

A

S

W

R

T 870 O 870

E

E

S

T

L

V

I

I

F

R

O

D

R

R

A

P

H

D 860 860 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 850 850

N

(

T

E

E

F

N

I

N

O

I

T 840 840

A

V

E

L

E

Y

C

N

830 830 E

G

A

H

T

N

O

S

E

A DS DT ,

E

M

R

Y

E

A

G 820 820 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

810 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H DM DN DO DP DQ DR CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

800 E

D

391642 392642 393642 394642 395642 396642 397642 398642 399642 400642 401642 402642 403642 404642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 17P 900 900

0

5

890 1 890

D

A

O

R

P

I

H

S

N

S

W

R

880 O 880

E

E

T

L

V

I

I

F

R

O

D

R

R

A

P

H

D 870 870 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 860 860

N

(

T

E

E

F

N

I

N

O

I

T 850 850

A

V

E

L

E

Y

C

N

840 840 E

G

A

H

T

N

O

S

E

A DZ ,

E

M

R

Y

E

A

G 830 830 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

820 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H DU DV DW DX DY CROSS SECTION LOCATION L

A

*DATA NOT AVAILABLE R

810 E

D

404642 405642 406642 407642 408642 409642 410642 411642 412642 413642 414642 415642 416642 417642 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 18P 910 910

900 900

S 890 890 R

E

E

L

V

I

I

F

R

O

D

R

R

A

P

H

D 880 880 C

N

O

A

O

L

L

B

F

)

8

8

D

V

A 870 870

N

(

T

E

E

F

N

I

N

O

I

T 860 860

A

V

E

L

E

Y

C

N

850 850 E

G

A

H

T

N

O

S

E

A EF ,

E

M

R

Y

E

A

G 840 840 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

830 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H EA EB EC ED EE CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

820 E

D

417612 418612 419612 420612 421612 422612 423612 424612 425612 426612 427612 428612 429612 430612 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 19P 920 920

4

0

0 2

0

3

3

3

Y 910 910

Y

Y

Y

A

A

A

A

W

W

W

W

H

H

H

H

G

I

G

G

G

I

I

I

H

H

H

H

Y

S E

Y

T

T

T

U

N

A

N

U

D

S

T

U

O

R

L

900 S 900

E

O

C

O

E

C

L

V

I

I

F

R

O

D

R

R

A

P

H

D

C

Y

890 Y 890

T

N

O

T

N

A

N

U

O

L

U

O

L

O

B

C

C

F

K

N

C

)

I

8

O

D

8

C

R

N

A

D

A

V

H

H

A 880 880

N

(

T

E

E

F

N

I

N

O

I

T 870 870

A

V

E

L

E

Y

C

N

860 860 E

G

A

H

T

N

O

S

E

A

,

E

M

R

Y

E

A

G 850 850 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

840 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H EG EH EI EJ EK CROSS SECTION LOCATION L

A

*DATA NOT AVAILABLE R

830 E

D

430000 431000 432000 433000 434000 435000 436000 437000 438000 439000 440000 441000 442000 443000 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH AUGLAIZE RIVER 20P 795 795 1% ANNUAL CHANCE FLOOD BACKWATER FLOODING CONTROLLED BY BLANCHARD RIVER FROM BLANCHARD RIVER

T

T

E

T

E

E

E

T

E

8

R

E

E

7

R

H

R

6

T

E

R

3

790 T 790

E

T 5

S

R

T

I

S

V

Y

I

T

S

Y

D

W

A

S

S

R

A

Y

R

S

E

W

K

A

D N

W

O

C

H

M L

S

R

H

H

R

N

G

A O

U

C

A

I

G

E

C

I

C

D

D

H

N

H

U

H

N

N

N

C

L

A

I

I

E

E

F L

A

L

N

A

T

T

B

N

S

A

A

T

M

A

S

L

O

T

H

T

S

T

B

C 785 T 785

S E

T

S

A

S

S

E

U

A

L

A

K

E

I

O

E

E

S

F

E

O

R

C

R

P

E

L

D 780 780 G

A

O

E

O

L

F

)

8

8

D

V

A 775 775

N

(

T

E

E

F

N

I

N

O

I

T 770 770

A

V

E

L

E

Y

C

N

765 765 E

G

A

T

H

N

S

O

E

B A

,

E

M

Y

R

E

A

T

760 760 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD* R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

O 755 N

G I

C

10% ANNUAL CHANCE FLOOD* R

D

E

N

N

A STREAM BED M

A

E

H A CROSS SECTION LOCATION L

A

*DATA NOT AVAILABLE R

750 E

D

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 21P 800 800

Y

795 Y 795

D

T

T

A

A

N

E

L

O

U

E

D

R

O

R

N

I C

T

D

M

F

S

E

K

A

F

C

D

M

H

O

O

T

A

Y C

X

N

I

T

N

N

I

S

S

A

U

C

790 H 790

E

L

K

I

E

F

E

O

R

C

R

P

E

L

D 785 785 G

A

O

E

O

L

F

)

8

8

D

V

A 780 780

N

(

T

E

E

F

N

I

N

O

I

T 775 775

A

V

E

L

E

Y

C

N

770 770 E

G

A

T

H

N

S

O

E

G H A

,

E

M

Y

R

E

A

T

765 765 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD* R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

O 760 N

G I

C

10% ANNUAL CHANCE FLOOD* R

D

E

N

N

A STREAM BED M

A

E

H C D E F CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

755 E

D

6500 7000 7500 8000 8500 9000 9500 10000 10500 11000 11500 12000 12500 13000 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 22P 805 805

4

0

Y Y

Y Y

800 2 800

T T

A A

T

N N

D

L L

E

U U

D

A

E

D D

O O

A

O

R

N N

C I I C

O

R

T

F F

R

S

K K

P

L

F F

I

I C C

E

O O

H

A O O

V

I

S

R C Y Y C

L

N

T T

N N

O

I I

S

W A A

C C

795 O H H 795

E

T

L

K

I

E

F

E

O

R

C

R

P

E

L

D 790 790 G

A

O

E

O

L

F

)

8

8

D

V

A 785 785

N

(

T

E

E

F

N

I

N

O

I

T 780 780

A

V

E

L

E

Y

C

N

775 775 E

G

A

T

H

N

S

O

E

P A

,

E

M

Y

R

E

A

T

770 770 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD* R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

O 765 N

G I

C

10% ANNUAL CHANCE FLOOD* R

D

E

N L N

A STREAM BED M

A

E

H I J K M N O CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

760 E

D

13000 13500 14000 14500 15000 15500 16000 16500 17000 17500 18000 18500 19000 19500 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 23P 810 8 810

6

Y

A

W

H

G

I

H

.

1

S

T

.

2

E Y

U

2

8

Y

805 E 805

T

6

Y

A

R

N

L

A

T

Y

U

D

S

A

O

W

N

C I

H

W

N

I

F

G

H

K

I

A

F

G

C

H

I

M

O

O

H

Y

C Y

H

.

T

T

T

N

S

I

N .

U

S

A

C

U U

O 800 H 800

E

O

S

C

L

K

I

E

F

E

O

R

C

R

P

E

L

D 795 795 G

A

O

E

O

L

F

)

8

8

D

V

A 790 790

N

(

T

E

E

F

N

I

N

O

I

T 785 785

A

V

E

L

E

Y

C

N

780 780 E

G

A

T

H

N

S

O

E

Y Z A

,

E

M

Y

R

E

A

T

775 775 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD* R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

O 770 N

G I

C

10% ANNUAL CHANCE FLOOD* R

D

E

N

N

A STREAM BED M

A

E

H Q R S T U V W X CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

765 E

D

19500 20000 20500 21000 21500 22000 22500 23000 23500 24000 24500 25000 25500 26000 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 24P 815 815

9

4

810 810

E

D

V

I

A

R

O

D

R

E

P

I

T

H

A

S

V

I

N

R

W

P

S 805 O 805

E

T

L

K

I

E

F

E

O

R

C

R

P

E

L

D 800 800 G

A

O

E

O

L

F

)

8

8

D

V

A 795 795

N

(

T

E

E

F

N

I

N

O I THE 10%, 2%, AND 0.2% ANNUAL CHANCE T 790 790

A

V FLOOD PROFILE DATA IS NOT AVAILABLE

E

L

E

Y

C

N

785 785 E

G

A

T

H

N

S

O

E

AE A

,

E

M

Y

R

E

A

T

780 780 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD C

E

O 775 N

G I

C

10% ANNUAL CHANCE FLOOD R

D

E

N

N

A STREAM BED M

A

E

H AA AB AC AD CROSS SECTION LOCATION L

A

R

770 E

D

26000 26500 27000 27500 28000 28500 29000 29500 30000 30500 31000 31500 32000 32500 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 25P 820 820

5 0

4 4 815 815

Y Y

E

V

A A

I

W R W

M

H D H

A

G G

D

E

I I

T

H H

W

A

Y Y

O

V

I

L

T T

R

N N

P

S

U U

810 O O 810

E

C C

L

K

I

E

F

E

O

R

C

R

P

E

L

D 805 805 G

A

O

E

O

L

F

)

8

8

D

V

A 800 800

N

(

T

E

E

F

N

I

N

O

I

T 795 795

A

V

E

L

E

Y

C

N

790 790 E

G

A

T

H

N

S

O

E

AK AL A

,

E

M

Y

R

E

A

T

785 785 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD C

E

O 780 N

G I

C

10% ANNUAL CHANCE FLOOD R

D

E

N

N

A STREAM BED M

A

E

H AF AG AH AI AJ CROSS SECTION LOCATION L

A

R

775 E

D

32500 33000 33500 34000 34500 35000 35500 36000 36500 37000 37500 38000 38500 39000 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 26P 830 830

7

3 825 825

Y

A

W

H

G

I

H

Y

T

N

S

U

820 O 820

E

C

L

K

I

E

F

E

O

R

C

R

P

E

L

D 815 815 G

A

O

E

O

L

F

)

8

8

D

V

A 810 810

N

(

THE 2% ANNUAL CHANCE FLOOD

T

E PROFILE DATA IS NOT AVAILABLE

E

F

N

I

N

O

I

T 805 805

A

V

E

L

E

Y

C

N

800 800 E

G

A

T

H

N

S

O

E

AP AQ A

,

E

M

Y

R

E

A

T

795 795 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD C

E

O 790 N

G I

C

10% ANNUAL CHANCE FLOOD R

D

E

N

N

A STREAM BED M

A

E

H AM AN AO CROSS SECTION LOCATION L

A

R

785 E

D

39000 39500 40000 40500 41000 41500 42000 42500 43000 43500 44000 44500 45000 45500 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 27P 840 840

6

2 835 835

Y

A

W

H

G

I

H

Y

T

N

S

U

830 O 830

E

C

L

K

I

E

F

E

O

R

C

R

P

E

L

D 825 825 G

A

O

E

O

L

F

)

8

8

D

V

A 820 820

N

(

T

E

E

F

N

I

N

O

I

T 815 815

A

V

E

L

E

Y

C

N

810 810 E

G

A

T

H

N

S

O

E

A

,

E

M

Y

R

E

A

T

805 805 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD C

E

O 800 N

G I

C

10% ANNUAL CHANCE FLOOD R

D

E

N

N

A STREAM BED M

A

E

H AR AS AT CROSS SECTION LOCATION L

A

R

795 E

D

45500 46000 46500 47000 47500 48000 48500 49000 49500 50000 50500 51000 51500 52000 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 28P 850 850

2 5

7 2

845 845

D D

A A

O O

R R

P P

I I

H H

S S

N N

W W

S 840 O O 840

E

T T

L

K

I

E

F

E

O

R

C

R

P

E

L

D 835 835 G

A

O

E

O

L

F

)

8

8

D

V

A 830 830

N

(

T

E

E

F

N

I

N

O

I

T 825 825

A

V

E

L

E

Y

C

N

820 820 E

G

A

T

H

N

S

O

E

AZ A

,

E

M

Y

R

E

A

T

815 815 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD C

E

O 810 N

G I

C

10% ANNUAL CHANCE FLOOD R

D

E

N

N

A STREAM BED M

A

E

H AU AV AW AX AY CROSS SECTION LOCATION L

A

R

805 E

D

52000 52500 53000 53500 54000 54500 55000 55500 56000 56500 57000 57500 58000 58500 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 29P 865 865

N

U

4

R

2

860 K 860

Y

E

C

V

A

U

I

B

R W

D H

F

G

O

E

I

T

E

H

A

C

Y

V

N

I

T

E

R

N

U

P

S

U

L

F 855 O 855

E

C

N

L

O

K

I

C

E

F

E

O

R

C

R

P

E

L

D 850 850 G

A

O

E

O

L

F

)

8

8

D

V

A 845 845

N

(

T

E

E

F

N

I

N

O

I

T 840 840

A

V

E

L

E

Y

C

N

835 835 E

G

A

T

H

N

S

O

E

A

,

E

M

Y

R

E

A

T

830 830 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

O 825 N

G I

C

10% ANNUAL CHANCE FLOOD R

D

E

N

N

A STREAM BED M

A

E

H BA BB BC BD CROSS SECTION LOCATION L *DATA NOT AVAILABLE A

R

820 E

D

58500 59000 59500 60000 60500 61000 61500 62000 62500 63000 63500 64000 64500 65000 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 30P 870 870

3

865 0 865

1

E E

V V

Y

I I

D

A

R R

A

D D

W

O

H

E E

R

G

T T

L

I

I

A A

H

A

V V

I I

R

E

R R

T

P P

A

S

860 T 860

E

S

L

K

I

E

F

E

O

R

C

R

P

E

L

D 855 855 G

A

O

E

O

L

F

)

8

8

D

V

A 850 850

N

(

T

E

E

F

N

I

N

O

I

T 845 845

A

V

E

L

E

Y

C

N

840 840 E

G

A

T

H

N

S

O

E

BF BG A

,

E

M

Y

R

E

A

T

835 835 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

O 830 N

G I

C

10% ANNUAL CHANCE FLOOD R

D

E

N

N

A STREAM BED M

A

E

H BE CROSS SECTION LOCATION L

A

*DATA NOT AVAILABLE R

825 E

D

65000 65500 66000 66500 67000 67500 68000 68500 69000 69500 70000 70500 71000 71500 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 31P 880 880

Y

D

U

2

T

3

875 875

S

D

D

A

E

O

L

I

R

A

P

I

T

E

H

D

S

N

F

O

W

S

O

T

870 I 870

E

T

M

L

I

K

I

L

E

F

E

O

R

C

R

P

E

L

D 865 865 G

A

O

E

O

L

F

)

8

8

D

V

A 860 860

N

(

T

E

E

F

N

I

N

O

I

T 855 855

A

V

E

L

E

Y

C

N

850 850 E

G

A

T

H

N

S

O

E

A

,

E

M

Y

R

E

A

T

845 845 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

O 840 N

G I

C

10% ANNUAL CHANCE FLOOD R

D

E

N

N

A STREAM BED M

A

E

H BH BI BJ CROSS SECTION LOCATION L

A

*DATA NOT AVAILABLE R

835 E

D

71500 72000 72500 73000 73500 74000 74500 75000 75500 76000 76500 77000 77500 78000 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 32P 795 795 1% ANNUAL CHANCE FLOOD BACKWATER FROM BLANCHARD RIVER

R

E

V

I

R

D

D

A T

T

R

E

E

O

A 4

T

E

T

790 E 790

T

R

T

E

E

E

E

2

E

H

T

R

E

L

R

E

U

I

U

V

E

E

T 2

E

C

E

T

I

E

T

N

A E

R

N

E

R

S

R

N

R

S

R

Y

E

E

E

R T

T R

T

A T

D

A

E

V

V Y

R

S

S T

L

S

S

D

K

A

E

T

R

A

W

S

B

E

E

L

D

T

S

N

R

O

H

Y

G

D

G

S

R U

H E

A

O

I C

E

G

E

X

N

N I

A O

Z

T

V

T V

I

R

L

I

I

O F

H

O H

L

A

L

A

W

O

F

R

W

T

W

D

O

R

T

O

D

O S

P

S

R

M

S

F

N

B

S

E

C

H U

O

785 A 785

A

C

E

N

E

B

N

L

N

A

E

I

U

U

F

L

R

F

O

N

D

O

R

C

R

P

A

D 780 780 W

0.2%, 2%, AND 10% ANNUAL CHANCE O

O

FLOOD NOT AVAILABLE H

O

L

F

)

8

8

D

V

A 775 775

N

(

T

E

E

F

N

I

N

O

I

T 770 770

A

V

E

L

E

Y

C

N

765 765 E

G

A

T

H

N

S

O

E

L M N A

,

E

M

Y

R

E

A

T

760 760 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD C

E

O 755 N

G I

C

10% ANNUAL CHANCE FLOOD R

D

E

N

N

A STREAM BED M

A

E

H A B C D E F G H I J K CROSS SECTION LOCATION L

A

R

750 E

D

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 33P 810 810

815.3 E

U

E

N

V

805 E 805

I

E

U

R V

N

D A

D D

E

A A

E

K

V

S

O O

C

A

I

O

R R

E

L L

W

R

I I

E

L

E

A A

T

L

E

R R

N

D

M

A

N

S

T

S

A

800 S 800

C

E

A

L

E

N

I

U

F

R

O

D

R

R

P

E

A

U

D

W 795 N 795

E

O

O

V

H

A

O

N

L

O

F

T

N

)

E

8

R

8

T

D

T

V

S

A 790 790

A

N

(

E

T

E

E

F

N

I

N

O

I

T 785 785

A

V

E

L

E CULVERT

Y

C

N

780 780 E

G

A

T

H

N

S

O

E

AA AB A

,

E

M

Y

R

E

A

T

775 775 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD C

E

O 770 N

G I

C

10% ANNUAL CHANCE FLOOD R

D

E

N

N

A STREAM BED M

A

E

H O P Q R S T U V W X Y Z CROSS SECTION LOCATION L

A

R

765 E

D

6000 6500 7000 7500 8000 8500 9000 9500 10000 10500 11000 11500 12000 12500 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 34P 820 820

Y

D

5

U

9

Y

T

815 Y 815

T

S

Y

A

N

A

L

D

U

D

E

W

O

L

N

H

I

I C

G

A

F

I

K

T

F

H

C

E

O

O

Y

D

Y C T

F

T

N N

I

O

S

A U

C

T

H O

810 I 810

E

C

M

L

I

N

I

L

U

F

R

O

D

R

R

P

A

D 805 805 W

O

O

H

O

L

F

)

8

8

D

V

A 800 800

N

(

T

E

E

F

N

I

N

O

I

T 795 795

A

V

E

L

E

Y

C

N

790 790 E

G

A

T

H

N

S

O

E

A

,

E

M

Y

R

E

A

T

785 785 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD C

E

O 780 N

G I

C

10% ANNUAL CHANCE FLOOD R

D

E

N

N

A STREAM BED M

A

E

H AC AD AE AF AG CROSS SECTION LOCATION L

A

R

775 E

D

12000 12500 13000 13500 14000 14500 15000 15500 16000 16500 17000 17500 18000 18500 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 35P 790 790 1% ANNUAL CHANCE FLOOD BACKWATER FROM BLANCHARD RIVER

8

Y

H

R 785 6 785

E

T

T 5

S

I

V

N

E

I

Y

D

W

U

G

R

A

N

O

E

D

U

I

D

W

C

C

O

R

R

H

N

K

R

B

A

G

E

I

C

G

T

H

U

H

O

O

C

L

R

I

C

E

F

O

N

F

A

T

N

N

A

F

A

S

A

L

O

T

B H 780 C 780

E

S

L

I

K

F

E

O

E

R

R

C

P

E

D 775 775 Y

L

O

O

K

E

L

C

U

F O

N

L

E

)

H

V

8

S

T

I

A

8

E

F

E

D

R

V

T

A 770 770

S

N

(

S

T

S

E

O

E

R

F

C

N

I

N

I

N

A

O

I

M

T

765 T 765

A

S

V

A

E

E

L

E

Y

C

N

760 760 E

G

A

H

T

N

O

S

E

A B C ,

E

M

R

Y

E

A

G 755 755 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD* R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD* C

E

N

750 O

G I

10% ANNUAL CHANCE FLOOD* R C

D

E

N

N

A STREAM BED M

A

E

H A CROSS SECTION LOCATION L

A

*DATA NOT AVAILABLE R

745 E

D

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 36P 800 800

1% ANNUAL CHANCE FLOOD BACKWATER FROM BLANCHARD RIVER

W

0

O

8

Y

L

1

F 795 Y 795

F

T

Y

O

A

R

N

L

E

A

E

U

D

V

C

W

O

O

N

I C H

N

F

E

K

G

K

I

E

U

F

C

H

L E

O

O

F

R

Y

Y C

N

C

T

T

N

O

I

N

E

S

A

C

L

C

U

790 H 790

G

E

O

A

C

L

E

I

K

F

E

O

E

R

R

C

P

E

D 785 785 Y

L

O

O

L

F

)

8

8

D

V

A 780 780

N

(

T

E

E

F

N

I

N

O

I

T 775 THE 10%, 2%, AND 0.2% ANNUAL CHANCE 775

A

V FLOOD PROFILE DATA IS NOT AVAILABLE

E

L

E

Y

C

N

770 770 E

G

A

H

T

N

O

S

E

A M N ,

E

M

R

Y

E

A

G 765 765 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD C

E

N

760 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H D E F G H I J K L CROSS SECTION LOCATION L

A

R

755 E

D

6500 7000 7500 8000 8500 9000 9500 10000 10500 11000 11500 12000 12500 13000 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 37P 810 810

Y

D

5

U

0

T

805 2 805

S

D

D

A

E

L

O

I

R

A

P

T

I

E

H

D

S

F

N

O

S

W

T

O

800 I 800

E

T

M

L

I

I

L

K

F

E

O

E

R

R

C

P

E

D 795 795 Y

L

O

O

L

F

)

8

8

D

V

A 790 790

N

(

T

E

E

F

N

I

N

O

I

T 785 785

A

V

E

L

E

Y

C

N

780 780 E

G

A

H

T

N

O

S

E

A S ,

E

M

R

Y

E

A

G 775 775 T

D

A

N

E

N

LEGEND T

U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

O

C

P 1% ANNUAL CHANCE FLOOD Y

R

C

K

O

N

C

2% ANNUAL CHANCE FLOOD C

E

N

770 O

G I

10% ANNUAL CHANCE FLOOD R C

D

E

N

N

A STREAM BED M

A

E

H O P Q R CROSS SECTION LOCATION L

A

R

765 E

D

13000 13500 14000 14500 15000 15500 16000 16500 17000 17500 18000 18500 19000 19500 E

F STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 38P 800 Y 800

E

A

V

I

L

K

R

D

Y

C

D

N

T 1% ANNUAL CHANCE FLOOD BACKWATER FROM BLANCHARD RIVER

I

O

E

N

F

C

T

U

F

N

A

O

O

A

V

C

I

H

Y

R

T

I

P

E

C

H

R

E 795 U 795

E

T

V

E E E E E E

N

I

I

V

V V V V V V

I E

I I I I I I

R

W

V

R

R R R R R R

D

E

A

D D D D D D

D

C

A

E

R

E E E E E E

N

G

L

A

T T T T T T

E

O

A

H

A A A A A A

U

T

D

C

L

V V V V V V

A

I I I I I I

N

F

N

R

E

R R R R R R

N

A

E

P P P P P P

A

S

L

O

R

S

B 790 C 790

E

G

L

I

K

E

F

E

O

R

R

C

P

H

S

D

785 785 U

O THE 10%, 2%, AND 0.2% ANNUAL CHANCE R

O

FLOOD PROFILE DATA IS NOT AVAILABLE L

F

)

8

8

D

V

A 780 780

N

(

T

E

E

F

N

I

N

O

I

T 775 775

Y

A

D

V

E

U

L

T

E

S

F

O

Y T

I

C

M

I

N

L

770 770 E

G

A

T

H

N

S

O

E

A

,

E

M

Y

R

E

A

T

765 765 G

D

A

N

E

N

T

LEGEND U

A

A

O

0.2% ANNUAL CHANCE FLOOD R

M

C

O

P 1% ANNUAL CHANCE FLOOD Y

R

K

C

O

N

C

2% ANNUAL CHANCE FLOOD C

E

O 760 N

G I

C

10% ANNUAL CHANCE FLOOD R

D

E

N E H K N

A STREAM BED M

A

E

H A B C D F G I J CROSS SECTION LOCATION L

A

R

755 E

D

0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 E

F STREAM DISTANCE IN FEET STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BLANCHARD RIVER 39P