Welcome to the Utility

Washoe County Utility provides wastewater treatment to approximately 16,000 customers including some urban areas in Reno and Sparks. The Utility treats an average of 5 million gallons of wastewater per day at three regional wastewater plants and manages the recovery of reclaimed water and biosolids from these waste streams. Please note, Washoe County Water Utility merged with Truckee Meadows Water Authority on 12/31/2014.

If you are looking for information related to utility service for new development, including engineering services for sewer and reclaimed water service, please visit the Land Development Review page in the Engineering & Capital Projects Division. Standards and engineering standard details for land development, utilities, and public works construction have been consolidated.


Utility Customer Service
Office Hours: Monday-Friday 8:00 a.m. to 5:00 p.m.
Phone: (775) 954-4601     Fax: (775) 328-3699
Email: utility@washoecounty.us
Mailing Address: PO Box 11130, Reno, NV 89520-0027
Physical Address: 1001 E. 9th Street, Building A, Reno, NV 89512