The Water Division of the Utilities Department is responsible for the operation, maintenance, and improvement of the municipal drinking water system serving more than 85,000 people in the City of Napa and adjacent areas. The Water Division is dedicated to providing a safe and reliable supply of high-quality drinking water for its residential, commercial, industrial, and institutional customers. A comprehensive review of the City’s water system is contained in the Urban Water Management Plan. The Plan describes and evaluates water supply sources, projected demand, water conservation, and overall water service reliability through 2045.
The Utilities Administration Office is open Monday-Thursday 8am - 5pm.Fridays by phone or appointment only.
To pay your water bill, please use online payment system, mail, or pay in-person at City Hall, 955 School St, Napa, (707) 257-9508. Pay by phone is not available at this time.
Aging Pressure Regulators (PDF) at older homes may fail and cause sudden high pressure spikes that can damage indoor appliances. Customers are encouraged to replace failed regulators, and call 707-257-9521 with any service concerns.