If your development must include drainage or water quality works, follow these steps to make sure they meet our standards.

If you’re constructing works required by us, your design needs to be certified before you can start work.

If you’re constructing works required by us, be properly prepared before you start.

Case study: we launched a competition inviting submissions that proposed ways to reduce or eliminate greenhouse gas emissions from our wastewater treatment plants.

View facts and historical rainfall data for Yan Yean, Melbourne’s oldest reservoir.

Get the lowdown on Melbourne’s sewerage system, how we look after it and what you can do to help.

Explore the historic sewage treatment plant in Werribee, also an internationally-recognised bird habitat.

Learn how the treatment plant uses innovative processes to turn sewage into Class A recycled water.

Discover how we produce high-quality recycled water at our Eastern and Western treatment plants.