EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

Suffolk, Massachusetts

Compare active community water systems serving this county in EPA's public export. Systems can serve multiple places, so population totals may overlap.

Systems5active CWS · pop. 2,500+
Population served3,377,936reported total; may overlap
Current violation flag60.0%3 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Suffolk

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

Water systemPopulation servedPrimary sourceCurrent export status
MwraMA60000002,580,000Surface waterNo current violation flagged
Boston Water And Sewer Commission (Mwra)MA3035000675,647Surface water purchasedCurrent health-based flag
Revere Water Division (Mwra)MA324800062,186Surface water purchasedCurrent monitoring/reporting flag
Chelsea Water Dept. (Mwra)MA305700040,787Surface water purchasedNo current violation flagged
Winthrop Water Division, (Mwra)MA334600019,316Surface water purchasedCurrent monitoring/reporting flag

02 / SOURCE MIX

Surface water1 systems · 2,580,000 served
Surface water purchased4 systems · 797,936 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.