Public Water Authority
Mesa Water District
Serving Costa Mesa and Mesa Water District service area
Population served
110,000
State system code
FIPS 06
Billing frequency
Monthly or bi-monthly depending on the account and rate presentation; the 2026 rate schedule publishes both monthly and bi-monthly basic charges. Customers should follow the cycle printed on the account bill.
Provider briefing
How this utility’s billing works
Mesa Water District operates as a public water authority serving Costa Mesa and Mesa Water District service area. 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 Uniform potable-water usage charge of $6.38 per unit, where one unit equals 100 cubic feet or 748 gallons, plus a meter-size basic charge. Recycled water is $4.09 per unit and construction/fireline water is $6.38 per unit; the District's 2026 schedule is not an increasing-block residential tariff.. Bills are generated monthly or bi-monthly depending on the account and rate presentation; the 2026 rate schedule publishes both monthly and bi-monthly basic charges. customers should follow the cycle printed on the account bill., and a typical residential cost reference is For a typical 1-inch meter using 6,000 gallons monthly, approximately $94.84 per month before any separate capital charge, tax or account-specific fee: $43.67 monthly basic charge plus about 8.02 units at $6.38. The District explains that newly constructed or substantially remodeled single-family homes commonly use 1-inch meters for fire sprinklers; 5/8-inch accounts have a $28.93 monthly basic charge.. 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
Mesa Water District is a potable-water provider and the reviewed 2026 rates and FAQ pages do not publish a sewer/wastewater billing formula, winter average or percentage tie-in. Sewer service is therefore recorded as not publicly stated for this water-only utility record.
Meter and infrastructure notes
Meters are read in cubic feet, with 1 cubic foot equal to 7.48 gallons. The reviewed Mesa Water FAQ and 2026 rate pages do not identify AMR/AMI technology or a universal read date; customers should use MyMesaWater consumption history and contact the District for a meter-read question.
Emergency water support
Report a leak or water emergency
949-631-1200 at any time; after hours, press 9 to transfer to the Costa Mesa Police Department, or call 714-754-5251 directly for a water leak or other water emergency.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Costa Mesa and Mesa Water District service area
Mesa Water District is listed here as a public water authority. 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.