Massachusetts Water Resources Authority (MWRA)
Greater Boston and 61 member communities
Population reference
2,580,000 people (EPA SDWIS PWS ID MA6000000; 2026 active CWS record). MWRA is a wholesale system serving member communities rather than a retail residential billing provider.
Billing detail
Partial public detail found
Official destination
Open provider website ↗Provider-specific findings
Billing and account research from public material
Provider-specific research notes are displayed separately from fields that contain only an unavailable-information marker. Read qualifiers in each note and verify current account terms with the provider.
- Rate structure
- Wholesale metered assessment. MWRA's published methodology calculates water charges using a flat rate per million gallons multiplied by member-community metered use; its member communities then set retail rates and bill customers.
- Wastewater and sewer calculation
- Wholesale sewer assessments are allocated among member communities using total flow, contributing population, census population, prior three-year average flow, peak-month wastewater flow, and wastewater strength measures including suspended solids and biochemical oxygen demand. Residential sewer billing is performed by the local member community.
- Meter reading
- MWRA uses member-community metered water use for wholesale assessment. The reviewed regional pages do not specify each member community's residential meter technology or reading calendar.
Context, not a score
How documentation coverage compares
This profile
43%
overview fields with research notes
Massachusetts
35%
records with any overview detail
National index
50%
records with any overview detail
Coverage measures what this directory documented. It does not measure service quality, affordability, or regulatory compliance.
Research record
Partial public detail found
3 of 7 fields in this section contain provider-specific public detail in dataset August 1, 2026.
Documented
43%
Details not confirmed in the reviewed public material
- Billing frequency
- Residential cost reference
- New-account deposit
- Activation or transfer fee
“Not confirmed” means the directory did not identify a dependable public statement. It does not mean the provider has no policy or option.
Primary verification routes
- Massachusetts Water Resources Authority (MWRA) public website ↗
Provider-controlled destination used to confirm current customer instructions.
- EPA SDWIS / ECHO lookup (MA6000000) ↗
Search the federal drinking-water database using public water system ID MA6000000.