Public Water Partners

HAMILTON, MA · Essex County

HAMILTON WATER DEPT Water System

Consumer Confidence Report status

HAMILTON WATER DEPT 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 HAMILTON WATER DEPT.

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)
MA3119000
System type
Community Water System
Population served
7,674
Service connections
2,567
Ownership
local government
Water source
groundwater (wells)

HAMILTON WATER DEPT is one of 93 community water systems in Massachusetts in the 3,301 to 10,000 people size category, serving 7,674 people from groundwater.

As of August 1, 2026, its federal record holds 2 entries in 2000, all of which EPA lists as closed. Nothing has been added since 2000.

All 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves volatile organic chemicals.

Violation history

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2000 – March 31, 2000

    Archived

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2000 – March 31, 2000

    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 HAMILTON WATER DEPT required to publish a Consumer Confidence Report?

Yes. HAMILTON WATER DEPT 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 HAMILTON WATER DEPT’s next Consumer Confidence Report due?

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

Does HAMILTON WATER DEPT have any open drinking water violations on record?

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

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

HAMILTON WATER DEPT

9786265226

HAMILTON, MA 01936