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Public water system record

Concord Water Dept

Serves an area of Middlesex County, MA that includes West Concord · 18,788 people served

Federal records show 2 health-based violations and 1 monitoring/reporting issue for Concord Water Dept in the last ten years. The most serious issue in this window was a Bromate violation that EPA lists as archived, not resolved.

  • MA3067000
  • CONCORD
  • MA
  • 18,788 served

System profile

Source water Surface water
ZIP 01742
EPA system ID MA3067000

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
0
Unresolved
0
Archived by EPA
2
Any acute record
No
Monitoring issues, last 10 years
1

Key facts

  • Concord Water Dept draws water from 10 wells and 1 surface water intake (1 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: compliance order (no penalty) by Massachusetts, May 2024.
  • Record on file since 1979, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 94 lead and 187 unknown out of 5,676 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
Bromate
Contaminant limit exceeded
 210 Jul 1, 2022 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No
Bromate
Contaminant limit exceeded
 210 Jul 1, 2019 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
 No

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
 Jul 1, 1992 Active

Full record since 1979

EPA's records for Concord Water Dept go back to 1979. Before October 19, 2016 they list 2 health-based violations (2 archived by EPA without a recorded fix) and 9 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 1
1990s 2 8
October 19, 2016 to 2019 1 0
2020s 1 0

Most recent health-based violation before October 19, 2016: Total Coliform, began September 1999, Archived.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Sep 1, 1999 Archived
Total Coliform
Contaminant limit exceeded
 Aug 1, 1995 Archived

Enforcement actions

Massachusetts regulators took 5 formal enforcement actions against Concord Water Dept between 1994 and 2024. The most recent was a compliance order (no penalty) in May 2024.

Date By Action Violations covered
May 23, 2024 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Bromate
Oct 16, 2019 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Bromate
Oct 5, 1995 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Total Coliform
Nov 2, 1994 Massachusetts Compliance order (no penalty) 3 violations: Total Coliform
Jul 22, 1994 Massachusetts Compliance order (no penalty) 2 violations: Total Coliform

What the violations mean

Bromate

2 incidents

Test results for Bromate were above the federal limit (a maximum contaminant level violation).

The utility had to notify customers about each of these violations.

Where the water comes from

Concord Water Dept draws water from 10 wells and 1 surface water intake (1 of them for emergency, seasonal or other part-time use). 1 smaller public system such as schools, businesses or campgrounds buys water from Concord Water Dept.

Annual water quality report

Concord Water Dept 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