When Coal Mines Rob Your Dams: The Hidden Water Cost Of Mining

Two coal mines in Greater Sydney’s catchment area are likely to be diverting millions of litres of water daily from reservoirs, an independent panel has found, prompting calls for a halt to further mining. The panel’s “initial report”, released before Christmas, found it “plausible” the Dendrobium underground mine between the Avon and Cordeaux dams was diverting 3 million litres a day into its workings. The nearby Metropolitan mine’s inflows were put at half a million litres, diverted from Woronora Reservoir. Read more

About Big Ditch

Big Ditch Dam Building Company builds and repairs farm dams across NSW, Queensland, and Victoria. Contact us for a site inspection.

Big Ditch Dam Building Company has built and repaired farm dams across NSW, Queensland, and Victoria for over 35 years. Every project is different — soil conditions, catchment size, and land use all shape the final design.

If you’re considering a new dam or need to repair an existing one, a professional site inspection is the best first step. We assess soil suitability, topography, catchment area, and regulatory requirements before recommending a solution.

Need help with your own dam? Book a site inspection with Big Ditch — we build and repair dams across NSW, Queensland, and Victoria.