Water Corporation is the principal supplier of water, wastewater and drainage services in Western Australia to hundreds of thousands of homes, businesses and farms, as well as providing bulk water to farms for irrigation. The company has over 3000 employees and has regional offices in Perth, Bunbury, Albany, Karratha, Geraldton, Northam and Kalgoorlie. It is a business enterprise, owned by the WA government and accountable to its sole shareholder, the Minister for Water. Most of its surplus is returned to the government as a dividend to contribute to the development of the state, with the remainder reinvested in capital works.
The Water Corporation and consulting firm Optika Solutions won the Most Effective Government Solution category at the 2019 WAITTA INCITE awards for its H2OME project, one of the world's most advanced water use studies.