EPA public water records · 25017
Middlesex County, Massachusetts
Find listed community water systems and their documented follow-up in federal fiscal 2026Q3.
- Systems with linked histories
- 64
- Systems with unresolved health-based records
- 3
- Of those, systems with a formally addressed health-based record
- 3
These counts cover the linked records shown here. A county listing can cover only part of the county or reflect a mailing location.
Find your water system
- ACTON WATER SUPPLY DISTRICTMA2002000 · Massachusetts · 22 violation records · 0 unresolved health-based in this snapshot
- APPLEWOOD COMMUNITY CORPORATIONMA2037013 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- ARLINGTON WATER DEPT. (MWRA)MA3010000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- ASHLAND WATER AND SEWER DEPT.MA3014000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- AYER DPW WATER DIVISIONMA2019000 · Massachusetts · 4 violation records · 0 unresolved health-based in this snapshot
- BELMONT WATER DEPT. (MWRA)MA3026000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- BENCHMARK CONDOMINIUMSMA3301008 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- BILLERICA WATER WORKSMA3031000 · Massachusetts · 3 violation records · 0 unresolved health-based in this snapshot
- BROOK VILLAGE CONDOMINIUMMA2037007 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- BURLINGTON WATER DEPTMA3048000 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- CENTRE VILLAGE APARTMENTSMA2037006 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- CHELMSFORD WATER DISTRICTMA3056000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- CONCORD WATER DEPTMA3067000 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- DEVENS MASSDEVELOPMENTMA2019001 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- DUNSTABLE WATER DEPARTMENTMA2081000 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- EAST CHELMSFORD WATER DISTRICTMA3056001 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- ELIZABETH BROOK APARTMENTSMA2286017 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- ENCLAVE AT BOXBOROUGHMA2037038 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- EVERETT WATER DEPT. (MWRA)MA3093000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- FIELDS AT SHERBORN CONDO TRUSTMA3269032 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- HANSCOM AFBMA3023002 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- HANSCOM FAMILY HOUSING (LANDINGS)MA3157001 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- HARVARD RIDGE CONDOMINIUMMA2037002 · Massachusetts · 3 violation records · 0 unresolved health-based in this snapshot
- HAYSTACK ESTATESMA3330019 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- HOLLISTON WATER DEPARTMENTMA2136000 · Massachusetts · 64 violation records · 0 unresolved health-based in this snapshot
- HUDSON WATER SUPPLYMA2141000 · Massachusetts · 53 violation records · 0 unresolved health-based in this snapshot
- KENWOOD WATER DISTRICTMA3079001 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- LEXINGTON WATER DEPT. (MWRA)MA3155000 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- LIBERTY HOUSE CONDOMINIUMMA2037014 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- LINCOLN WATER DEPTMA3157000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- LITTLETON WATER DEPARTMENTMA2158000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- LOWELL REGIONAL WATER UTILITYMA3160000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- MALDEN WATER DIVISION (MWRA)MA3165000 · Massachusetts · 3 violation records · 0 unresolved health-based in this snapshot
- MARLBOROUGH DPW WATER DIV. (MWRA)MA2170000 · Massachusetts · 4 violation records · 0 unresolved health-based in this snapshot
- MASTERS ACADEMY INTERNATIONALMA2286016 · Massachusetts · 9 violation records · 0 unresolved health-based in this snapshot
- MAYNARD DPW, WATER DIVISIONMA2174000 · Massachusetts · 5 violation records · 0 unresolved health-based in this snapshot
- MEDFORD WATER DEPT. (MWRA)MA3176000 · Massachusetts · 3 violation records · 1 unresolved health-based in this snapshot
- MELROSE WATER DIVISION (MWRA)MA3178000 · Massachusetts · 1 violation records · 1 unresolved health-based in this snapshot
- NATICK WATER AND SEWER DIVISIONMA3198000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- NEWTON WATER DEPT. (MWRA)MA3207000 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- NORTH CHELMSFORD WATER DISTMA3056002 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- NORTH READING WATER DEPT.MA3213000 · Massachusetts · 4 violation records · 0 unresolved health-based in this snapshot
- PADDOCK ESTATESMA2037036 · Massachusetts · 15 violation records · 0 unresolved health-based in this snapshot
- PEPPERELL DPW WATER DIVISIONMA2232000 · Massachusetts · 30 violation records · 0 unresolved health-based in this snapshot
- PILOT GROVE APARTMENTSMA2286018 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- PILOT GROVE APARTMENTS IIMA2286031 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- READING WATER DEPARTMENT (MWRA)MA3246000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- REGENCY AT STOW CONDOMINIUMSMA2286033 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- SHIRLEY WATER DISTRICTMA2270000 · Massachusetts · 12 violation records · 0 unresolved health-based in this snapshot
- SOMERVILLE WATER DEPT. (MWRA)MA3274000 · Massachusetts · 2 violation records · 1 unresolved health-based in this snapshot
- SUDBURY WATER DISTRICTMA3288000 · Massachusetts · 4 violation records · 0 unresolved health-based in this snapshot
- TEWKSBURY HOSPITALMA3295001 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- TEWKSBURY WATER DEPARTMENTMA3295000 · Massachusetts · 3 violation records · 0 unresolved health-based in this snapshot
- THE PRESERVE AT HOPKINTON CONDOMA2139008 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- TOWNSEND WATER DEPARTMENTMA2299000 · Massachusetts · 8 violation records · 0 unresolved health-based in this snapshot
- VILLAGES AT STOWMA2286024 · Massachusetts · 30 violation records · 0 unresolved health-based in this snapshot
- WAKEFIELD WATER DEPTMA3305000 · Massachusetts · 3 violation records · 0 unresolved health-based in this snapshot
- WALTHAM WATER DEPARTMENTMA3308000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- WATERTOWN DEPARTMENT OF PUBLIC WORKSMA3314000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- WAYLAND WATER DEPARTMENTMA3315000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- WESTFORD WATER DEPARTMENTMA3330000 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
- WILMINGTON WATER DEPTMA3342000 · Massachusetts · 2 violation records · 0 unresolved health-based in this snapshot
- WINCHESTER WATER DEPTMA3344000 · Massachusetts · 12 violation records · 0 unresolved health-based in this snapshot
- WOODLAND RIDGEMA2270009 · Massachusetts · 1 violation records · 0 unresolved health-based in this snapshot
EPA data and scope
How to read the records
The enforcement snapshot is federal fiscal 2026Q3. The EPA archive labels its violation file October 13, 2026. EPA says federal reporting can lag by several months. For current advisories, check your utility or local drinking-water authority.
- We matched active community water systems by public water system ID between EPA’s system search and SDWIS inventory. We show violations with a recorded noncompliance, initial reporting or return-to-compliance date from 2021 onward, plus earlier records listed as Addressed or Unaddressed.
- EPA’s health-based flag identifies violations of contaminant or disinfectant limits or treatment requirements. Monitoring and reporting violations describe required tests or reports. Neither category measures household exposure.
- Addressed means EPA records formal enforcement on a violation that remains unresolved in the snapshot. Unaddressed means no formal action is recorded for an unresolved violation. Resolved can mean compliance was restored, the rule ceased to apply, or further action was unnecessary. Archived is a separate status.
- We count a violation once per water system and group its distinct linked actions. Conflicting records are set aside. Places are EPA-listed search locations and can include mailing locations. Use the provider name and system ID to identify your service.
EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility