Public Water Authority
Arapahoe County Water and Wastewater Public Authority (ACWWA)
Serving Centennial and unincorporated Arapahoe County
Population served
31,000 people (EPA SDWA queue estimate for CO0203002)
State system code
FIPS 08
Billing frequency
A dedicated this detail was not publicly posted. Current account-specific billing cadence was not stated on the reviewed customer-resources page.
Provider briefing
How this utility’s billing works
Arapahoe County Water and Wastewater Public Authority (ACWWA) operates as a public water authority serving Centennial and unincorporated Arapahoe County. 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 A dedicated this detail was not publicly posted. ACWWA publishes an Appendix A rates-and-fees resource, but the current 2026 tariff detail was not exposed in the reviewed page.. Bills are generated a dedicated this detail was not publicly posted. current account-specific billing cadence was not stated on the reviewed customer-resources page., and a typical residential cost reference is A dedicated this detail was not publicly posted. A verified 5,000-7,000 gallon residential total was not published in the reviewed source.. 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
A dedicated this detail was not publicly posted. Current ACWWA wastewater calculation and any winter-average rule require the applicable rate schedule or account documentation.
Meter and infrastructure notes
A dedicated this detail was not publicly posted. Current AMI/AMR technology and reading interval were not verified in the reviewed official customer-resources material.
Emergency water support
Report a leak or water emergency
A dedicated this detail was not publicly posted. The reviewed customer-resources page did not publish a dedicated 24/7 emergency number.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Centennial and unincorporated Arapahoe County
Arapahoe County Water and Wastewater Public Authority (ACWWA) 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.