MALDEN, MA · Middlesex County
MALDEN WATER DIVISION (MWRA) Water System
Consumer Confidence Report status
MALDEN 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 MALDEN 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)
- MA3165000
- System type
- Community Water System
- Population served
- 66,263
- Service connections
- 11,855
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
MALDEN WATER DIVISION (MWRA) is among the 19 largest community water systems in Massachusetts, serving 66,263 people from surface water.
As of August 1, 2026, its federal record holds 4 entries between 1991 and 1993, all of which EPA lists as closed. Nothing has been added since 1993.
None of the 4 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 Total Coliform Rules and the Lead and Copper Rule.
Violation history
Public Education
Health-basedLead and Copper Rule
January 1, 1993 – March 21, 1995
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
May 1, 1992 – May 31, 1992
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 1991 – June 30, 1991
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
February 1, 1991 – February 28, 1991
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 1993 – March 21, 1995 | Public Education | Lead and Copper Rule | Health-based | Resolved |
| May 1, 1992 – May 31, 1992 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| June 1, 1991 – June 30, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| February 1, 1991 – February 28, 1991 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- July 1, 1992State Compliance achieved7 linked violations
- March 27, 1991State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
Common questions
Is MALDEN WATER DIVISION (MWRA) required to publish a Consumer Confidence Report?
- Yes. MALDEN 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 MALDEN WATER DIVISION (MWRA)’s next Consumer Confidence Report due?
- MALDEN WATER DIVISION (MWRA)’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does MALDEN 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 MALDEN 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
MALDEN WATER DIVISION (MWRA)
7818707258
MALDEN, MA 02148