Catchment and Drinking Water Quality Micro Pollutant Monitoring Program – Passive Sampling
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Brisbane Floods January 1974: Report by Director of Meteorology
Bureau of Meteorology, 1974 DEPARTMENT OF SCIENCE BUREAU OF METEOROLOGY REPORT BY DIRECTOR OF METEOROLOGY BRISBANE FLOODS JANUARY 1974 AUSTRALIAN GOVERNMENT PUBLISHING SERVICE CANBERRA 1974 2 Bureau of Meteorology, 1974 CONTENTS FOREWORD....................................................................................................... 7 INTRODUCTION ................................................................................................ 8 FLOODS IN THE BRISBANE VALLEY.............................................................. 9 Geographical Description................................................................................................9 Types of Flooding.............................................................................................................9 Flash flooding in creeks.................................................................................................9 River flooding ..............................................................................................................11 Backwater flooding......................................................................................................11 Storm surges and tidal effects......................................................................................12 The Effect of Dams.........................................................................................................12 Previous Floods ..............................................................................................................13 Flood Studies -
Seqwater Recreation Guide WAPPA
Wappa Dam RECREATION GUIDE seqwater.com.au About OUR VISION Wappa Dam To manage access to recreation Wappa Dam is located west of Yandina in the Sunshine Coast opportunities while protecting hinterland. The dam was constructed in 1963 on the South Maroochy natural resources and water quality. River and supplies drinking water to the interconnected supply network. The lake has a catchment area of approximately 69.7km2 and holds 4694 megalitres of water at full supply. Spillway Lookout The lookout at Jack Harrison Park located at Wappa Park Road, Kiamba, is a great place to view the dam when it is spilling. RECREATION REVIEW UPDATE Seqwater is committed to providing quality recreation facilities that everyone can enjoy. We wanted to know what the community thought of current facilities and what suggestions you had for the future, so in 2013 we started a full Recreation Review across our assets. We appreciate the efforts of everyone who took the time to participate in our workshops and online surveys. While we want to implement as many ideas as possible, Seqwater must remain committed to protecting our natural environment and minimising the risks to water quality. Some of the changes will be implemented at a later date, once further funding has been secured and all environmental impact analysis has been completed. Progress updates, along with details of the feedback received is available at seqwater.com.au/recreview. We value the unique status of the Jinibara People as the original owners and custodians of the land and water around Wappa Dam. 2 Wappa Dam RECREATION GUIDE Wappa Dam RECREATION GUIDE 3 Protecting our waterways & the environment We all need to do our part to ensure we keep our • cleaning and drying anything that came into waterways healthy. -
Fact Sheet How Dams Work
Fact sheet How dams work December 2015 In South East Queensland, our drinking water is predominantly Flood mitigation sourced from dams, which collect run-off rainwater from our catchments and store it. Our dams provide a safe, secure and At its most basic level, flood mitigation is capturing water and cost-effective water supply, as well as help to mitigate floods. then releasing it at a slower rate, with the aim of minimising river levels downstream of the dam. When dams fill, they are designed to pass the excess water into the creek or river system they are built on. What is Full Supply Level? Dam release notification service The Full Supply Level of a dam is the approved water storage level of the dam for drinking and/or irrigation purposes. Seqwater offers a free dam release notification service, which provides subscribers with notifications when gated dams For un-gated dams, if inflows result in the water level rising release water or un-gated dams are spilling. above the Full Supply Level, the water will spill out of the dam. This spilling cannot be controlled. Subscribers to Seqwater’s dam release notification service will also be notified when higher outflows are occurring from For our gated dams (Wivenhoe, Somerset and North Pine), if a spilling dam due to high inflows resulting from rainfall in the inflows result in the water level rising above the Full Supply catchment. Level, Seqwater will make controlled releases for either flood mitigation or to protect the safety of the dam. These notifications advise caution downstream due to potential hazards to people and property. -
South East Queensland Floods January 2008
South East Queensland Floods January 2008 1 2 3 1. Roads flood in Jimboomba - Photo from ABC website. User submitted Ben Hansen 2. Roads flood in Rathdowney - Photo from ABC website. 3. The Logan River floods at Dulbolla Bridge, reaching its peak in the morning of January 5, 2008. The river's banks burst … isolating the town of Rathdowney. Photo from ABC website. Note: 1. Data in this report has been operationally quality controlled but errors may still exist. 2. This product includes data made available to the Bureau by other agencies. Separate approval may be required to use the data for other purposes. See Appendix 1 for DNRW Usage Agreement. 3. This report is not a complete set of all data that is available. It is a representation of some of the key information. Table of Contents 1. Introduction ................................................................................................................................................... 2 Figure 1.0.1 Peak Flood Height Map for Queensland 1-10 January 2008.................................................. 2 Figure 1.0.2 Peak flood Height Map for South East Queensland 1-10 January 2008 ................................ 3 Figure 1.0.3 Rainfall Map of Queensland for the 7 Days to 7th January 2008 ............................................ 4 2. Meteorological Summary.......................................................................................................................... 5 2.1 Meteorological Analysis....................................................................................................................... -
Water for South East Queensland: Planning for Our Future ANNUAL REPORT 2020 This Report Is a Collaborative Effort by the Following Partners
Water for South East Queensland: Planning for our future ANNUAL REPORT 2020 This report is a collaborative effort by the following partners: CITY OF LOGAN Logo guidelines Logo formats 2.1 LOGO FORMATS 2.1.1 Primary logo Horizontal version The full colour, horizontal version of our logo is the preferred option across all Urban Utilities communications where a white background is used. The horizontal version is the preferred format, however due to design, space and layout restrictions, the vertical version can be used. Our logo needs to be produced from electronic files and should never be altered, redrawn or modified in any way. Clear space guidelines are to be followed at all times. In all cases, our logo needs to appear clearly and consistently. Minimum size 2.1.2 Primary logo minimum size Minimum size specifications ensure the Urban Utilities logo is reproduced effectively at a small size. The minimum size for the logo in a horizontal format is 50mm. Minimum size is defined by the width of our logo and size specifications need to be adhered to at all times. 50mm Urban Utilities Brand Guidelines 5 The SEQ Water Service Provider Partners work together to provide essential water and sewerage services now and into the future. 2 SEQ WATER SERVICE PROVIDERS PARTNERSHIP FOREWORD Water for SEQ – a simple In 2018, the SEQ Water Service Providers made a strategic and ambitious statement that represents decision to set out on a five-year journey to prepare a holistic and integrated a major milestone for the plan for water cycle management in South East Queensland (SEQ) titled “Water region. -
Lockyer Creek Environmental Values and Water Quality Objectives Basin No 143 (Part) Including All Tributaries of the Creek
Environmental Protection (Water) Policy 2009 Lockyer Creek environmental values and water quality objectives Basin No 143 (part) including all tributaries of the creek July 2010 Prepared by: Water Quality & Ecosystem Health Policy Unit Department of Environment and Resource Management © State of Queensland (Department of Environment and Resource Management) 2010 The Department of Environment and Resource Management authorises the reproduction of textual material, whole or part, in any form, provided appropriate acknowledgement is given. This publication is available in alternative formats (including large print and audiotape) on request. Contact (07) 322 48412 or email <[email protected]> July 2010 Document Ref Number Main parts of this document and what they contain • Scope of waters covered Introduction • Key terms / how to use document (section 1) • Links to WQ plan (map) • Mapping / water type information • Further contact details • Amendment provisions • Source of EVs for this document Environmental Values • Table of EVs by waterway (EVs - section 2) - aquatic ecosystem - human use • Any applicable management goals to support EVs • How to establish WQOs to protect Water Quality Objectives all selected EVs (WQOs - section 3) • WQOs in this document, for - aquatic ecosystem EV - human use EVs • List of plans, reports etc containing Ways to improve management actions relevant to the water quality waterways in this area (section 4) • Definitions of key terms including an Dictionary explanation table of all (section 5) environmental values • An accompanying map that shows Accompanying WQ Plan water types, levels of protection and (map) other information contained in this document iii CONTENTS 1 INTRODUCTION ............................................................................................................................. 1 1.1 WATERS TO WHICH THIS DOCUMENT APPLIES ............................................................................. -
Fact Sheet Wivenhoe Dam
Fact sheet Wivenhoe Dam Wivenhoe Dam Wivenhoe Dam’s primary function is to provide a safe drinking Key facts water supply to the people of Brisbane and surrounding areas. It also provides flood mitigation. Name Wivenhoe Dam (Lake Wivenhoe) Watercourse Brisbane River The water from Lake Wivenhoe, the reservoir formed by the dam, is stored before being treated to produce drinking water Location Upstream of Fernvale and follows the water journey of source, store and supply. Catchment area 7020.0 square kilometres Length of dam wall 2300.0 metres Source Year completed 1984 Wivenhoe Dam is located on the Brisbane River in the Somerset Type of construction Zoned earth and rock fill Regional Council area. embankment Spillway gates 5 Water supply Full supply capacity 1,165,238 megalitres Wivenhoe Dam provides a safe drinking water supply for Flood mitigation 1,967,000 megalitres Brisbane, Ipswich, Logan, Gold Coast, Beaudesert, Esk, Gatton, Laidley, Kilcoy, Nanango and surrounding areas. The construction of the dam involved the placement of around 4 million cubic metres of earth and rock fill, and around 140,000 Wivenhoe Dam was designed and built as a multifunctional cubic metres of concrete in the spillway section. Excavation facility. The dam was built upstream of the Brisbane River, of 2 million cubic metres of earth and rock was necessary to 80 kilometres from Brisbane City. At full supply level, the dam construct the spillway. holds approximately 2,000 times the daily water consumption needed for Brisbane. The Brisbane Valley Highway was relocated to pass over the dam wall, while 65 kilometres of roads and a number of new Wivenhoe Dam, along with the Somerset, Hinze and North Pine bridges were required following construction of the dam. -
Brisbane River Catchment Flood Study Monte Carlo Hydraulic Analysis Mitchell Smith1, Bill Syme2, Rory Nathan3
Brisbane River Catchment Flood Study Monte Carlo Hydraulic Analysis Mitchell Smith1, Bill Syme2, Rory Nathan3 1Senior Engineer, BMT WBM, Brisbane, Australia E-mail: [email protected] 2Senior Principal, BMT WBM, Brisbane, Australia 3Associate Professor, University of Melbourne, Melbourne, Australia The Brisbane River catchment is large (~15,000 km2), of which roughly half flows into Wivenhoe Dam. Rainfall across the catchment is temporally and spatially highly variable and antecedent conditions and initial dam levels significantly vary year-to-year. The influence of Wivenhoe Dam and the joint probability complexities of flows from Lockyer Creek and Bremer River rule out conventional approaches for deriving AEP flood events. To capture this variability a calibrated 1D hydraulic flood model was used to simulate 11,340 Monte Carlo flood events from downstream of Wivenhoe Dam through to Brisbane to derive AEP flood levels. An innovative process was developed to extract a representative set of 60 events grouped into 11 ensembles for the 11 AEPs from the 1 in 2 to 1 in 100,000. 1. INTRODUCTION Completed in February 2017, the Brisbane River Catchment Flood Study (BRCFS) (BMT WBM, 2017) (Aurecon, 2015) assessed the flood behaviour of the Brisbane River below Wivenhoe Dam, including the lower sections of major tributaries Lockyer Creek and the Bremer River (refer Figure 1). The study represents one of the most comprehensive hydrologic and hydraulic modelling assessments undertaken in Australia to date. The BRCFS’s major objective: The estimation of probabilistic riverine flood information for eleven Annual Exceedance Probabilities (AEPs), ranging from the 1 in 2 to the 1 in 100,000 AEP. -
Lockyer Creek Environmental Values and Water Quality Objectives (Plan)
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Section 10: Aquatic Ecology
Contents 10. Aquatic Ecology 10-3 10.1 Introduction 10-3 10.2 Methodology 10-3 10.2.1 Agency Discussions 10-5 10.3 Existing Environment 10-5 10.3.1 In-lake Aquatic Habitat 10-5 10.3.2 Sediment/Substrate 10-6 10.3.3 Aquatic Plants 10-7 10.3.4 Invertebrates 10-8 10.3.5 Fish 10-9 10.3.6 Amphibians 10-11 10.3.7 Reptiles 10-12 10.3.8 Mammals 10-12 10.4 Potential Impacts 10-13 10.4.1 In-lake Aquatic Habitat 10-14 10.4.2 Sediment and Substrate 10-18 10.4.3 Aquatic Vegetation 10-18 10.4.4 Aquatic Invertebrates 10-18 10.4.5 Fish and Fish Habitat 10-18 10.4.6 Amphibians 10-19 10.4.7 Reptiles 10-19 10.4.8 Mammals 10-19 10.5 Mitigation Measures 10-19 10.5.1 In-lake Aquatic Habitat 10-19 10.5.2 Aquatic Invertebrates 10-20 10.5.3 Fish and Fish Habitat 10-20 10.5.4 Amphibians, Reptiles and Mammals 10-20 Figures Figure 10-1 Site Locations and Survey Methodology within the Study Area 10-4 Tables Table 10-1 Aquatic Vegetation Identified at Study Sites 10-7 Table 10-2 Indigenous Species found within Nerang System 10-15 Table 10-3 Translocated Species found in the Nerang System 10-17 Table 10-4 Declared Noxious Species found in the Nerang System* 10-17 10-1 10-2 10. Aquatic Ecology 10.1 Introduction The purpose of this Section is to provide information on the existing aquatic values of the Nerang River that may be affected by the Project. -
Section 7: Surface Water and Water Quality
Contents 7. Surface Water Resources and Water Quality 7-5 7.1 Surface Water Resources 7-5 7.1.1 Background 7-5 7.1.2 Description of the Nerang River Catchment 7-5 7.1.3 Climate 7-7 7.1.4 Surface Water Hydrology 7-8 7.1.5 Impacts on Surface Water Resources 7-17 7.1.6 Surface Water Hydrology 7-18 7.1.7 Impacts on Flooding 7-29 7.1.8 Mitigation Measures 7-33 7.2 Surface Water Quality 7-35 7.2.1 Objectives 7-35 7.2.2 Policy and Legislation 7-36 7.2.3 Key Environmental Values 7-43 7.2.4 Water Quality Monitoring Programs 7-44 7.2.5 Water Quality Data 7-45 7.2.6 Water Quality Objectives for Human Use 7-57 7.2.7 Key Activities and Potential Impacts 7-58 7.2.8 Vegetation Inundation 7-59 7.2.9 Existing Biomass Surrounding Hinze Dam 7-61 7.2.10 Analysis of Impact from Vegetation Inundation 7-62 7.2.11 Impacts from Increased Water Level 7-64 7.2.12 Dam Ecosystem Classification 7-66 7.2.13 Mitigation Measure 7-70 7.3 Climate Change Adaptation 7-72 Figures Figure 7-1 Hinze Dam Impact on Daily Flow Duration 7-6 Figure 7-2 Nerang River Catchment - Average Monthly Rainfall 7-7 Figure 7-3 Mean Monthly Dam Inflows (Existing Conditions) 7-10 Figure 7-4 Hinze Dam Inflows - Daily Exceedence Curve (Existing Conditions) 7-10 Figure 7-5 Flood Reporting Sites 7-15 Figure 7-6 Nerang River Catchment Downstream 7-16 Figure 7-7 Monthly Flow downstream of Hinze Dam 7-22 Figure 7-8 Monthly Flow at Glenhurst GS 7-22 Figure 7-9 Monthly Flow at Nerang River Estuary 7-23 Figure 7-10 Daily Flow Duration Curves Downstream of Hinze Dam 7-24 7-1 Figure 7-11 Daily -
WATER SECURITY STATUS REPORT December 2020
WATER SECURITY STATUS REPORT December 2020 SEQ Water Grid capacity Average daily residential consumption Grid operations and overall water security position (L/Person) Despite receiving rainfall in parts of the northern and southern areas The Southern Regional Water Pipeline is still operating in a northerly 100% 250 2019 December average of South East Queensland (SEQ), the region continues to be in Drought direction. The Northern Pipeline Interconnectors (NPI 1 and 2) have been 90% 200 Response conditions with combined Water Grid storages at 57.8%. operating in a bidirectional mode, with NPI 1 flowing north while NPI 80% 150 2 flows south. The grid flow operations help to distribute water in SEQ Wivenhoe Dam remains below 50% capacity for the seventh 70% 100 where it is needed most. SEQ Drought Readiness 50 consecutive month. There was minimal rainfall in the catchment 60% average Drought Response 0 surrounding Lake Wivenhoe, our largest drinking water storage. The average residential water usage remains high at 172 litres per 50% person, per day (LPD). While this is less than the same period last year 40% 172 184 165 196 177 164 Although the December rain provided welcome relief for many of the (195 LPD), it is still 22 litres above the recommended 150 LPD average % region’s off-grid communities, Boonah-Kalbar and Dayboro are still under 57.8 30% *Data range is 03/12/2020 to 30/12/2020 and 05/12/2019 to 01/01/2020 according to the SEQ Drought Response Plan. drought response monitoring (see below for additional details). 20% See map below and legend at the bottom of the page for water service provider information The Bureau of Meteorology (BOM) outlook for January to March is likely 10% The Gold Coast Desalination Plant (GCDP) had been maximising to be wetter than average for much of Australia, particularly in the east.