Public Water Partners

LEXINGTON, MA · Middlesex County

LEXINGTON WATER DEPT. (MWRA) Water System

Consumer Confidence Report status

LEXINGTON WATER DEPT. (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 LEXINGTON WATER DEPT. (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)
MA3155000
System type
Community Water System
Population served
34,074
Service connections
13,445
Ownership
local government
Water source
surface water (rivers, lakes, or reservoirs)

LEXINGTON WATER DEPT. (MWRA) is one of 168 community water systems in Massachusetts in the 10,001 to 100,000 people size category, serving 34,074 people from surface water.

As of August 1, 2026, its federal record holds 1 entry in 1992, all of which EPA lists as closed. Nothing has been added since 1992.

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 Lead and Copper Rule.

Violation history

  • Public Education

    Health-based

    Lead and Copper Rule

    January 1, 1992 – March 16, 1995

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is LEXINGTON WATER DEPT. (MWRA) required to publish a Consumer Confidence Report?

Yes. LEXINGTON WATER DEPT. (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 LEXINGTON WATER DEPT. (MWRA)’s next Consumer Confidence Report due?

LEXINGTON WATER DEPT. (MWRA)’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does LEXINGTON WATER DEPT. (MWRA) have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for LEXINGTON WATER DEPT. (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

LEXINGTON WATER DEPT. (MWRA)

7812748356

LEXINGTON, MA 02420