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Swansea Dam

A weir on the Swansea Dam

Updated December 2017

  • Repair of the Swansea Dam is on track for completion by Spring 2018, weather permitting.
  • During repairs, drinking water will be temporarily sourced directly from the Swan River via the Swansea Water Treatment Plant.
  • 100 megalitres is available as a back-up supply for Swansea from the Melrose Dam, if needed.

Background to project

The Swansea Dam was built in 2009 to improve water quality and security for the town, and to capture seasonal flows from the Meredith River. Unfortunately, seepage was detected downstream shortly after the dam opened in 2010.

Since TasWater was formed in 2013, we have kept the dam at a low level to maintain its safety and the Swan River has continued to be Swansea's water source, via the dam. One of TasWater’s main challenges in developing a solution has been to find a back-up water supply for Swansea while the dam is emptied to fix it.

Tasmanian Irrigation has recently constructed its own pipeline adjacent to the Swansea Dam, making it convenient for TasWater to connect to. An agreement between TasWater and Tasmanian Irrigation allows for 100 megalitres to be available from early February 2018, so TasWater can continue to provide a secure supply for Swansea throughout the repair of the Swansea Dam.

Community impact during works

The repair will involve building a clay liner on the inside of the dam to prevent seepage through the dam’s foundation. So the Swansea Dam must first be emptied.

TasWater has temporarily turned off the connection to the Swan River and is allowing the Swansea Dam to slowly empty as its water is consumed. Starting in early February 2018, TasWater will recommence taking water directly from the Swan River, via the Swansea Water Treatment Plant. We will then finish emptying the dam so repair work can begin.

Maintaining the security of Swansea’s water supply is TasWater’s number one priority. There is no need for the people of Swansea to boil their water or to restrict their water use during repairs, beyond taking the usual common sense precautions of not wasting water during the warmer months of the year.

Updated December 2017

  • Repair of the Swansea Dam is on track for completion by Spring 2018, weather permitting.
  • During repairs, drinking water will be temporarily sourced directly from the Swan River via the Swansea Water Treatment Plant.
  • 100 megalitres is available as a back-up supply for Swansea from the Melrose Dam, if needed.

Background to project

The Swansea Dam was built in 2009 to improve water quality and security for the town, and to capture seasonal flows from the Meredith River. Unfortunately, seepage was detected downstream shortly after the dam opened in 2010.

Since TasWater was formed in 2013, we have kept the dam at a low level to maintain its safety and the Swan River has continued to be Swansea's water source, via the dam. One of TasWater’s main challenges in developing a solution has been to find a back-up water supply for Swansea while the dam is emptied to fix it.

Tasmanian Irrigation has recently constructed its own pipeline adjacent to the Swansea Dam, making it convenient for TasWater to connect to. An agreement between TasWater and Tasmanian Irrigation allows for 100 megalitres to be available from early February 2018, so TasWater can continue to provide a secure supply for Swansea throughout the repair of the Swansea Dam.

Community impact during works

The repair will involve building a clay liner on the inside of the dam to prevent seepage through the dam’s foundation. So the Swansea Dam must first be emptied.

TasWater has temporarily turned off the connection to the Swan River and is allowing the Swansea Dam to slowly empty as its water is consumed. Starting in early February 2018, TasWater will recommence taking water directly from the Swan River, via the Swansea Water Treatment Plant. We will then finish emptying the dam so repair work can begin.

Maintaining the security of Swansea’s water supply is TasWater’s number one priority. There is no need for the people of Swansea to boil their water or to restrict their water use during repairs, beyond taking the usual common sense precautions of not wasting water during the warmer months of the year.