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Public water system record

Hopkinton Water Department

Serves an area of Middlesex County, MA that includes Hopkinton · 12,586 people served

Federal records show no health-based violations and no monitoring or reporting issues for Hopkinton Water Department in the last ten years.

  • MA2139000
  • HOPKINTON
  • MA
  • 12,586 served

System profile

Source water Groundwater
ZIP 01748
EPA system ID MA2139000

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • Hopkinton Water Department draws water from 7 wells.
  • Most recent formal enforcement: compliance order (no penalty) by Massachusetts, November 2008.
  • Record on file since 1998, with 5 health-based violations before October 19, 2016.
  • Lead pipe inventory: 1 lead and 494 unknown out of 4,155 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.

None since October 2016, and no monitoring or reporting violations either.

Full record since 1998

EPA's records for Hopkinton Water Department go back to 1998. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 4 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 2
2000s 5 1
2010 to October 18, 2016 0 1

Most recent health-based violation before October 19, 2016: Total Coliform, began September 2008, Resolved.

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 Sep 1, 2008 Resolved
Total Coliform
Contaminant limit exceeded
 Oct 1, 2006 Resolved
Total Coliform
Contaminant limit exceeded
 Feb 1, 2005 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 2004 Resolved
Total Coliform
Contaminant limit exceeded
 Sep 1, 2000 Resolved

Enforcement actions

Massachusetts regulators took 6 formal enforcement actions against Hopkinton Water Department between 1999 and 2008. The most recent was a compliance order (no penalty) in November 2008.

Date By Action Violations covered
Nov 5, 2008 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Total Coliform
Nov 14, 2006 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Total Coliform
Mar 22, 2005 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Total Coliform
Oct 28, 2004 Massachusetts Compliance order (no penalty) 2 violations (1 health-based): Total Coliform
Oct 30, 2000 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Total Coliform
Aug 31, 1999 Massachusetts Compliance order (no penalty) 1 violation: Lead and Copper Rule

Where the water comes from

Hopkinton Water Department draws water from 7 wells. It also buys water from Ashland Water and Sewer Dept.

Buys water from

Annual water quality report

Hopkinton Water Department 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