Warragamba Dam shuts amid bushfire ash contamination


Bushfire ash contamination in Sydney’s fundamental water supply has pressured utilities to make use of options for town’s ingesting water after final week’s deluge within the catchment space.

The rain, doubled water levels in the dam last weekend but introduced with it vital quantities of sediment, ash and particles.

Ash from bushfires has been washed into the Warragamba Dam, prompting authorities to use alternative water sources.

Ash from bushfires has been washed into the Warragamba Dam, prompting authorities to make use of various water sources.Credit score:Jenny Evans

The ash, sediment and particles is “clearly seen” on the floor of Lake Burragorang at Warragamba Dam, which usually provides the vast majority of Sydney’s water, WaterNSW mentioned on Friday.

The unusually excessive ranges of particles had been the results of “unprecedented” ranges of bushfire ash and soil erosion resulting from decreased floor cowl, after greater than 320,000 hectares inside the Warragamba Catchment had been affected by bushfires, WaterNSW mentioned.