Public Water Partners

NANTUCKET, MA · Nantucket County

WANNACOMET WATER COMPANY Water System

Consumer Confidence Report status

WANNACOMET WATER COMPANY 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 WANNACOMET WATER COMPANY.

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)
MA4197000
System type
Community Water System
Population served
27,703
Service connections
7,221
Ownership
local government
Water source
groundwater (wells)

WANNACOMET WATER COMPANY is one of 168 community water systems in Massachusetts in the 10,001 to 100,000 people size category, serving 27,703 people from groundwater.

As of August 1, 2026, its federal record holds 1 entry in 2001, all of which EPA lists as closed. Nothing has been added since 2001.

All 1 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

    —

    1,2,4-Trichlorobenzene

    October 1, 2001 – December 31, 2001

    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 WANNACOMET WATER COMPANY required to publish a Consumer Confidence Report?

Yes. WANNACOMET WATER COMPANY 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 WANNACOMET WATER COMPANY’s next Consumer Confidence Report due?

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

Does WANNACOMET WATER COMPANY have any open drinking water violations on record?

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

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

WANNACOMET WATER COMPANY

5082280022

NANTUCKET, MA 02554