Water Resources
Find out about our river system, TMWA's water supplies including surface water and groundwater, learn about water rights, download a copy of the 2025 Water Resource Plan, and learn about the Negotiated Settlement which governs TMWA's operation and use of river water. You can watch a narrated water system video or learn about where our water comes from with a Flash animation of our water sources.
Water Quality
You can read or download TMWA's most recent Water Quality Report or use our map-based water quality lookup page to access water quality data by geographic location within TMWA's service territory. TMWA maintains a news and information page with fact sheets on water quality issues. Information on home water filtration systems can also be found in this section. Many Frequently Asked Questions related to water quality can be found on the front page.
Water Treatment
Learn about how your water moves from the Truckee River to your tap via the water treatment process. View a narrated Flash animation of the treatment process here.
Water Distribution
Learn about the system of pipes, pumps, tanks, and mains that deliver treated water from our treatment plants to the homes and businesses of TMWA customers.
Water Topics & Facts
Download the Truckee River Recreation Map, papers on a variety of key water topics of interest, and access tips and articles related to your water.
