WINTHROP, MA · Suffolk County
WINTHROP WATER DIVISION, (MWRA) Water System
Consumer Confidence Report status
WINTHROP WATER DIVISION, (MWRA) must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for WINTHROP WATER DIVISION, (MWRA).
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Massachusetts’s official records. Always confirm current status with Massachusetts before making decisions based on this information.
System facts
- System ID (PWSID)
- MA3346000
- System type
- Community Water System
- Population served
- 19,316
- Service connections
- 4,547
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
WINTHROP WATER DIVISION, (MWRA) is one of 168 community water systems in Massachusetts in the 10,001 to 100,000 people size category, serving 19,316 people from surface water.
As of August 1, 2026, its federal record holds 1 entry in 1982, all of which EPA lists as closed. Nothing has been added since 1982.
None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves the Miscellaneous Other Rules.
Violation history
Notification, Public
—No contaminant on record
July 31, 1982 – August 30, 1982
Archived
Archived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 31, 1982 – August 30, 1982 | Notification, Public | — | — | Archived |
Archived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Common questions
Is WINTHROP WATER DIVISION, (MWRA) required to publish a Consumer Confidence Report?
- Yes. WINTHROP WATER DIVISION, (MWRA) is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is WINTHROP WATER DIVISION, (MWRA)’s next Consumer Confidence Report due?
- WINTHROP WATER DIVISION, (MWRA)’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WINTHROP WATER DIVISION, (MWRA) have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for WINTHROP WATER DIVISION, (MWRA).
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
WINTHROP WATER DIVISION, (MWRA)
6178461341
WINTHROP, MA 02152