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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
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 ProjectFloodplain Risk Management Plan
Iluka Floodplain Risk Management Plan
CompletedPublication date: 23/03/2007The Clarence River has a catchment area of some 21,900 square kilometres to its mouth at the Pacific Ocean and some 19,800 square kilometres to Grafton. The catchment is bounded...
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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
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...
