Public Water Partners

MATTAPOISETT, MA · Plymouth County

MATTAPOISETT RIVER VALLEY W.D. Water System

Consumer Confidence Report status

MATTAPOISETT RIVER VALLEY W.D. 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 MATTAPOISETT RIVER VALLEY W.D..

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)
MA4173001
System type
Community Water System
Population served
29,600
Service connections
1
Ownership
local government
Water source
groundwater (wells)

MATTAPOISETT RIVER VALLEY W.D. is one of 168 community water systems in Massachusetts in the 10,001 to 100,000 people size category, serving 29,600 people from groundwater.

As of August 1, 2026, EPA's published records contain no violations for this system.

Violation history

No violations on record for this system.

Enforcement actions

No enforcement actions on record for this system.

Common questions

Is MATTAPOISETT RIVER VALLEY W.D. required to publish a Consumer Confidence Report?

Yes. MATTAPOISETT RIVER VALLEY W.D. 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 MATTAPOISETT RIVER VALLEY W.D.’s next Consumer Confidence Report due?

MATTAPOISETT RIVER VALLEY W.D.’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does MATTAPOISETT RIVER VALLEY W.D. have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for MATTAPOISETT RIVER VALLEY W.D..

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

MATTAPOISETT RIVER VALLEY W.D.

5087584161

MATTAPOISETT, MA 02739