Municipal Department
Arlington County Water-Sewer Utilities
Serving Arlington County
Population served
215,000 people (EPA SDWIS PWS ID VA6013010; 2026 active CWS record).
State system code
FIPS 51
Billing frequency
Quarterly for single-family and duplex residential accounts; water, sewer, trash, and recycling appear on the quarterly bill. Multifamily and commercial accounts have different billing schedules and base-charge units.
Provider briefing
How this utility’s billing works
Arlington County Water-Sewer Utilities operates as a municipal department serving Arlington 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 Quarterly residential base charge plus increasing-block water usage pricing and sewer usage pricing capped at winter consumption. Effective July 1, 2026-June 30, 2027, water base is $17.51 quarterly, water use is $4.73 per thousand gallons below 9,000 and $7.57 above, and sewer use is $10.48 per thousand gallons capped at winter level.. Bills are generated quarterly for single-family and duplex residential accounts; water, sewer, trash, and recycling appear on the quarterly bill. multifamily and commercial accounts have different billing schedules and base-charge units., and a typical residential cost reference is For a 5,000-7,000 gallon monthly residential household, the July 2026 rates produce about $23.65-$33.02 water usage monthly equivalent plus $5.84 quarterly water base monthly equivalent, before sewer, trash, and recycling. Sewer usage is $52.40-$73.36 monthly equivalent when the winter cap does not bind, plus $4.66 quarterly sewer base monthly equivalent; exact combined bills use the winter cap and solid-waste charges.. 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
Residential sewer is metered through water consumption but capped at the customer's winter consumption level. The July 2026-June 2027 sewer usage rate is $10.48 per thousand gallons, with a $13.98 quarterly sewer base charge; the customer is billed the lower of current water use and the winter-cap basis for sewer volume.
Meter and infrastructure notes
Arlington bills residential accounts quarterly from meter readings. The reviewed pages do not identify one universal AMI vendor or interval; customers should keep the meter accessible and use Customer Self-Service to monitor usage.
Emergency water support
Report a leak or water emergency
703-228-6555, Arlington County's 24/7 water-sewer hotline. Use it for water main breaks, leaks, sewer emergencies, outages, or water-quality problems; routine account service uses 703-228-5000.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Arlington County
Arlington County Water-Sewer Utilities 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.