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Flood ProjectFlood study
Lower Clarence Flood Model Update 2022
CompletedPublication date: 31/08/2023The Lower Clarence Flood Model extends from Mountain View, upstream of Grafton, to the Ocean at Yamba and is used to simulate the flood behaviour of the lower Clarence River and...
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Flood ProjectFloodplain Risk Management Plan
Grafton and Lower Clarence Floodplain Risk Management Plan: Review of...
CompletedPublication date: 07/02/2014Brushgrove is a small rural village situated between the Clarence River and South Arm tributary at the south-western end of Woodford Island, approximately 17km downstream of...
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Flood ProjectFloodplain Risk Management Plan
Yamba Floodplain Risk Management Plan
CompletedPublication date: 01/02/2009The Clarence River has a catchment area of some 21,900 km² to its mouth at Yamba, and some 19,800 km² to Grafton. Grafton is the main commercial centre in the region and the...
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Flood ProjectFloodplain Risk Management Study
Yamba Floodplain Risk Management Study
CompletedPublication date: 13/10/2008Yamba is located at the mouth of the Clarence River and is effectively surrounded by water with the Pacific Ocean to the east, the Clarence River to the north, Oyster Channel to...
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Flood ProjectFlood study
Grafton & Lower Clarence Floodplain Risk Management Plan
CompletedPublication date: 01/06/2007The study area essentially covers the Lower Clarence River floodplain downstream of Junction Hill, except those areas that are covered by separate floodplain management studies...
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Flood ProjectGeotech Report on levee
Levee Stability & Structural Integrity Investigation at Grafton City...
CompletedPublication date: 01/03/2003The Clarence River County Council (CRCe) constructed the levee in North Grafton in 1969. The majority of the levee is situated along the top of the riverbank. The levee...
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Flood ProjectGuidance, Tools and Resources
Clarence River - Data Compilation Study
CompletedPublication date: 01/03/1995The study area is the Clarence River from the coast upstream to the tidal limit at Copmanhurst on the main arm and the confluence with Flaggy Creek on the Orara River, including...
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Flood ProjectGuidance, Tools and Resources
Palmers Island: Bank Erosion Assessment & Management Plan
CompletedPublication date: 01/12/1992Patterson Britton & Partners was engaged by Maclean Shire Council to carry out an investigation into the structural and non-structural options available to resolve both the...
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Flood ProjectFlood study
Lower Clarence River Flood Study Review
SupersededPublication date: 02/04/2004The Clarence River catchment is located on the far north coast of NSW is one of the largest on the east coast of Australia with an area of approximately 20,000 square...
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Flood ProjectGuidance, Tools and Resources
Probable Maximum Precipitation Study for the Clarence River Catchment
SupersededPublication date: 01/11/1984The Clarence River Valley in the north coast region of N.S.W. has a long history of flooding, especially at Grafton. In recent years, the urban areas of Grafton and South...
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Flood ProjectGuidance, Tools and Resources
Clarence River - Maximum Probable Flood Estimate at Grafton
SupersededPublication date: 01/11/1984The Clarence River Valley in the north coast region of NSW has a long history of flooding, especially at Grafton. In recent years the urban areas of Grafton and South Grafton...
