Municipal Department
City of Napa Water Division
Serving Napa, Napa County, California
Population served
84,804 people; the city says its municipal system serves more than 85,000 people in Napa and adjacent areas.
State system code
FIPS 06
Billing frequency
Most customers are billed bimonthly, every two months.
Provider briefing
How this utility’s billing works
City of Napa Water Division operates as a municipal department serving Napa, Napa County, California. Customers should use the provider’s current account-specific bill and official customer-service instructions as the final authority for deadlines, balances, and service requests.
The published water-rate framework is described as Fixed meter-size service charge plus tiered single-family residential quantity charges billed per 1,000 gallons. Rates vary by customer class, are higher outside city limits, and may include high-elevation pumping surcharges. Annual rate increases were adopted through 2028.. Bills are generated most customers are billed bimonthly, every two months., and a typical residential cost reference is A dedicated this detail was not publicly posted. The reviewed current page establishes bimonthly tiered pricing and fixed charges but the accessible page text did not expose the complete 2026 numeric rate schedule needed for a defensible 5,000-7,000-gallon estimate.. These descriptions are useful planning benchmarks; actual charges can change with meter size, usage, sewer averaging, local taxes, drought stages, or account-specific fees.
Wastewater and sewer calculation
The City of Napa Water Division is a potable-water system; the reviewed Napa pages do not establish a universal city sewer charge, winter average, or water-intake percentage tie-in for this record.
Meter and infrastructure notes
Napa's municipal system uses customer meters and the new portal exposes consumption and historical usage. The reviewed sources do not identify a universal AMI/AMR platform or fixed transmission cadence.
Emergency water support
Report a leak or water emergency
A dedicated this detail was not publicly posted. The reviewed Napa billing pages did not identify a dedicated 24/7 emergency leak line.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Napa, Napa County, California
City of Napa Water Division is listed here as a municipal department. The profile separates account actions—such as paying a bill or requesting service—from explanatory material about rates, meters, wastewater, leaks, and delinquency.
Because utility rules can vary by account class, meter size, service address, billing date, and local ordinance, treat the published bill and current provider website as the final authority. Use this profile to locate the correct channel and prepare better questions for customer service.
If your issue is urgent, start with the provider’s emergency number or official payment route rather than waiting for an email response. Keep a written record of calls, confirmation numbers, notice dates, and documents you submit.