Welcome to Sun Valley General Improvement District

The District owns and maintains an estimated 100 miles of water mains, 120 miles of sewer mains, two sewer vaults, several pressure reducing vaults and pumping stations, and nine water storage water tanks. Since its inception, all service connections have been metered. In the early 1990s the District converted to an automated metering system.


Sun Valley General Improvement District currently accepting applications for Seasonal Lifeguards and Concession Attendant. For more information CLICK HERE


On April 8, 2021 the District approved to increase the residential, commercial and bulk single use water consumption rate by 2.5% per year for each of the next three years to coincide with the planned similar increases by TMWA. These increases have been adopted and approved by the District Board of Trustees and will go into effect beginning June 1, 2021. For more information view the District’s Tariff for full details.


The District will not mail any refund checks to customers without confirming an accurate mailing/forwarding address. The District encourages its customers to always keep updated contact information on file. CLICK HERE to update your contact information.


Sun Valley General Improvement District is excited to be launching a new website. In the mean time, we ask for your patience during this new development.

Watering Days

The District encourages water conservation year round; with a dry winter we all have to do our part to help conserve water. The District recommends following Truckee Meadows Authority watering schedule. You may water if the last number of your address is Odd (1,3,5,7 or 9) Wednesday, Friday & Sunday and Even (0,2,4,6 or 8) Tuesday, Thursday and Saturday. You are encouraged not to water on Mondays to allow water systems to replenish