Public water system record

Wellfleet Municipal Water System

Serves an area of Barnstable County, MA · 750 people served

Federal records show 1 health-based violation and 4 monitoring/reporting issues for Wellfleet Municipal Water System in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • MA4318094
  • WELLFLEET
  • MA
  • 750 served

System profile

Source water Groundwater
ZIP 02667
EPA system ID MA4318094

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Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
Yes
Monitoring issues, last 10 years
4

Key facts

  • Wellfleet Municipal Water System draws water from 5 wells.
  • Most recent formal enforcement: compliance order (no penalty) by Massachusetts, January 2026.
  • Record on file since 1992, with 4 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 270 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Revised Total Coliform Rule
Contaminant limit exceeded
110 Sep 1, 2020 Resolved Yes

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Revised Total Coliform Rule
RPT
Jan 11, 2026 Resolved
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
RPT
Sep 26, 2020 Resolved
Public Notice
OTHER
Sep 26, 2020 Resolved

Full record since 1992

EPA's records for Wellfleet Municipal Water System go back to 1992. Before October 19, 2016 they list 4 health-based violations (4 resolved) and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 6
2010 to October 18, 2016 3 0
2020s 1 4

Most recent health-based violation before October 19, 2016: Total Coliform, began December 2011, Resolved.

Show all 4 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Dec 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
Sep 1, 2010 Resolved
Lead and Copper Rule
Treatment technique failure
Jan 1, 1993 Resolved

Enforcement actions

Massachusetts regulators took 6 formal enforcement actions against Wellfleet Municipal Water System between 1995 and 2026, filed as 8 records in EPA's data. The most recent was a compliance order (no penalty) in January 2026.

Date By Action Violations covered
Jan 30, 2026 Massachusetts Compliance order (no penalty) 2 violations: Revised Total Coliform Rule
Oct 1, 2020 Massachusetts Compliance order (no penalty) 3 violations (1 health-based): Revised Total Coliform Rule, Public Notice
Nov 29, 2010 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Total Coliform
Oct 22, 1996 Massachusetts Compliance order (no penalty) 1 violation: Nitrite
Dec 28, 1995 Massachusetts Compliance order (no penalty) 3 violations (1 health-based): Lead and Copper Rule
Apr 21, 1995 Massachusetts Compliance order (no penalty) 1 violation: Nitrate

What the violations mean

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

Where the water comes from

Wellfleet Municipal Water System draws water from 5 wells.

Annual water quality report

Wellfleet Municipal Water System must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Massachusetts.