Public Water Authority
Sweetwater Authority
Serving National City, Bonita, and western/southwestern San Diego County service area
Population served
191,282 people (EPA SDWIS active CWS PWS CA3710025)
State system code
FIPS 06
Billing frequency
Bi-monthly; Sweetwater's 2026 rate tables identify bi-monthly variable charges and the bill estimator is designed around the Authority's billing cycle.
Provider briefing
How this utility’s billing works
Sweetwater Authority operates as a public water authority serving National City, Bonita, and western/southwestern San Diego County 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 Bi-monthly metered water charge composed of a water-use charge, meter charge by meter size, and San Diego County Water Authority pass-through charges. Effective January 1, 2026, the Authority's variable charge table lists $6.12 per HCF for single-family residential service classes and the SDCWA wholesale purchase charge lists $0.57 per HCF, before fixed meter and pass-through components.. Bills are generated bi-monthly; sweetwater's 2026 rate tables identify bi-monthly variable charges and the bill estimator is designed around the authority's billing cycle., and a typical residential cost reference is A dedicated this detail was not publicly posted. Sweetwater provides a bill estimator, but a combined 5,000-7,000-gallon monthly equivalent depends on meter size, bi-monthly usage, fixed pass-throughs, and the specific rate table.. 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
Sweetwater Authority provides water and wastewater services in its mission statement, but the reviewed bill-and-rates pages primarily explain water, meter, and wholesale pass-through charges and did not expose a universal sewer calculation or winter-average formula.
Meter and infrastructure notes
Sweetwater provides a How to Read Your Meter resource and schedules usage by bi-monthly billing cycles. The reviewed pages did not identify a universal AMI/AMR vendor or automated transmission interval.
Emergency water support
Report a leak or water emergency
A dedicated this detail was not publicly posted. The reviewed Sweetwater payment pages did not expose a separately verified 24/7 emergency telephone number. The Authority provides a Report a Leak route and customer service at 619-420-1413.
Official starting point
Choose the right next step
Reading this profile
A practical reference for National City, Bonita, and western/southwestern San Diego County service area
Sweetwater Authority 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.