Municipal Department
Town of Lexington Water and Sewer Division (MWRA)
Serving Lexington
Population served
34,074 people (EPA SDWA queue estimate for MA3155000)
State system code
FIPS 25
Billing frequency
A dedicated this detail was not publicly posted. Lexington publishes water/sewer rates and explains annual household consumption comparisons, but the reviewed pages do not state one current billing frequency for every account class.
Provider briefing
How this utility’s billing works
Town of Lexington Water and Sewer Division (MWRA) operates as a municipal department serving Lexington. 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 Increasing block tiers measured in HCF/CCF. The Town’s published rate materials identify Tier One, Tier Two, and Tier Three water rates, with a separate sewer charge and an irrigation-meter option that is charged water only.. Bills are generated a dedicated this detail was not publicly posted. lexington publishes water/sewer rates and explains annual household consumption comparisons, but the reviewed pages do not state one current billing frequency for every account class., and a typical residential cost reference is The Town says an average residential water/sewer bill can be estimated using 15 units, where one unit is 100 cubic feet, multiplied by the number of residents during the billing period. The reviewed current rate page is image-based and does not expose a reliable 5,000-7,000-gallon 2026 total.. 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
Lexington purchases water from MWRA and pays MWRA for sewage treatment and disposal. Residential sewer is billed as a separate tiered charge based on metered water consumption; a second irrigation meter can isolate outdoor use so that only the water rate, not sewer, is charged for that meter.
Meter and infrastructure notes
The Town is replacing water meters, but the reviewed pages do not identify a universal AMI/AMR platform or exact reading/transmission schedule.
Emergency water support
Report a leak or water emergency
A dedicated this detail was not publicly posted. The reviewed Town pages provide Water and Sewer Division contacts but do not label a separate 24/7 emergency hotline.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Lexington
Town of Lexington Water and Sewer Division (MWRA) 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.