Contractors
Sonoma Water manages and maintains a water supply and transmission system that provides naturally filtered Russian River water to nine cities and special districts that in turn delivers drinking water to more than 600,000 residents in portions of Sonoma and Marin counties. You receive your drinking water and water bill from your local city or water district. Sonoma Water provides drinking water to the following cities and special districts:
 City of Cotati cotaticity.org |  Marin Municipal Water District marinwater.org |
 City of Petaluma cityofpetaluma.org |  North Marin Water District nmwd.com |
 City of Rohnert Park rpcity.org |  Town of Windsor townofwindsor.com |
 City of Santa Rosa srcity.org/820/WaterSmart-Center |  Valley of the Moon Water District vomwd.org |
 City of Sonoma sonomacity.org |