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Public water system record

Stoneham Water Dept (MWRA Supply)

Serves Stoneham, Middlesex County, MA · 23,244 people served

Federal records show 1 health-based violation and no monitoring/reporting issues for Stoneham Water Dept (MWRA Supply) in the last ten years. The most serious issue in this window was a Revised Total Coliform Rule violation that EPA lists as archived, not resolved.

  • MA3284000
  • STONEHAM
  • MA
  • 23,244 served

System profile

Source water Purchased surface water
ZIP 02180
EPA system ID MA3284000

Verify this system on EPA ECHO →

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

Key facts

  • Stoneham Water Dept (MWRA Supply) buys its water from MWRA.
  • Most recent formal enforcement: compliance order (no penalty) by Massachusetts, September 2018.
  • Record on file since 1992, with 14 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 6,207 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, 2018 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 Yes

Full record since 1992

EPA's records for Stoneham Water Dept (MWRA Supply) go back to 1992. Before October 19, 2016 they list 14 health-based violations (6 resolved, 8 archived by EPA without a recorded fix) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 12 1
2000s 2 0
2010 to October 18, 2016 0 1
October 19, 2016 to 2019 1 0

Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began January 2007, Resolved.

Show all 14 health-based violations before October 19, 2016
Contaminant Start date Status
Lead and Copper Rule
Treatment technique failure
 Jan 1, 2007 Resolved
Lead and Copper Rule
Treatment technique failure
 Jan 1, 2000 Resolved
Lead and Copper Rule
Treatment technique failure
 Jan 1, 1999 Resolved
Total Coliform
Contaminant limit exceeded
 Mar 1, 1998 Archived
Total Coliform
Contaminant limit exceeded
 Aug 1, 1997 Archived
Total Coliform
Contaminant limit exceeded
 Jul 1, 1997 Archived
Total Coliform
Contaminant limit exceeded
 Jun 1, 1997 Archived
Total Coliform
Contaminant limit exceeded
 Sep 1, 1996 Archived
Total Coliform (acute)
Contaminant limit exceeded
 Aug 1, 1996 Archived
Total Coliform
Contaminant limit exceeded
 Sep 1, 1995 Archived
Lead and Copper Rule
Treatment technique failure
 Jan 1, 1994 Resolved
Lead and Copper Rule
Treatment technique failure
 Jan 1, 1993 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jan 1, 1992 Archived
Lead and Copper Rule
Treatment technique failure
 Jan 1, 1992 Resolved

Enforcement actions

Massachusetts regulators took 7 formal enforcement actions against Stoneham Water Dept (MWRA Supply) between 1993 and 2018. The most recent was a compliance order (no penalty) in September 2018.

Date By Action Violations covered
Sep 14, 2018 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Revised Total Coliform Rule
Mar 20, 2008 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Lead and Copper Rule
Mar 9, 2001 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Lead and Copper Rule
Feb 10, 2000 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Lead and Copper Rule
Apr 6, 1998 Massachusetts Compliance order (no penalty) 6 violations (6 health-based): Total Coliform
Feb 1, 1996 Massachusetts Compliance order (no penalty) 1 violation: Total Coliform
Jun 29, 1993 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Surface Water Treatment Rule

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

Stoneham Water Dept (MWRA Supply) buys its water from MWRA. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Stoneham Water Dept (MWRA Supply) 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.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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.

Certified drinking water labs by state EPA guidance for private wells