Public Water Authority
Honolulu Board of Water Supply - HNL Windward/Pearl Harbor
Serving Windward Oahu and Pearl Harbor service areas
Population served
631,389 people (EPA SDWIS active CWS PWS HI0000331)
State system code
FIPS 15
Billing frequency
Monthly or account-scheduled according to meter route; the BWS statement controls the individual billing period.
Provider briefing
How this utility’s billing works
Honolulu Board of Water Supply - HNL Windward/Pearl Harbor operates as a public water authority serving Windward Oahu and Pearl Harbor service areas. 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 Metered residential water rates under the Board's FY2024-FY2029 schedule, with fixed service charges and increasing usage tiers designed to promote conservation.. Bills are generated monthly or account-scheduled according to meter route; the bws statement controls the individual billing period., and a typical residential cost reference is A dedicated this detail was not publicly posted. The total depends on meter size, route, tiered water consumption, and account charges; BWS's current rate schedule should be used for a 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
BWS bills potable water; Honolulu wastewater charges are administered separately by the City Department of Environmental Services. Sewer charges use the City's residential wastewater schedule and may differ from the BWS water bill; the reviewed pages did not expose a universal winter-average calculation for this CWS.
Meter and infrastructure notes
BWS uses route-based customer water meters and provides account usage information through its online account/app; the reviewed pages did not identify one universal AMI/AMR vendor or interval for every route.
Emergency water support
Report a leak or water emergency
808-748-5000 for BWS customer service/emergency routing; customers should report active water-main breaks or dangerous flooding immediately.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Windward Oahu and Pearl Harbor service areas
Honolulu Board of Water Supply - HNL Windward/Pearl Harbor 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.