Public water system record

Hyannis Water System, Town of Barnstable

Serves Barnstable Town, Barnstable County, MA · 35,000 people served

Federal records show no health-based violations and 1 monitoring/reporting issue for Hyannis Water System, Town of Barnstable in the last ten years.

  • MA4020004
  • HYANNIS
  • MA
  • 35,000 served

System profile

Source water Groundwater
ZIP 02601
EPA system ID MA4020004

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
1

Key facts

  • Hyannis Water System, Town of Barnstable draws water from 13 wells (1 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: compliance order (no penalty) by Massachusetts, March 2010.
  • Record on file since 1996, with 6 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 2,414 unknown out of 7,852 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.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Groundwater Rule
OTHER
Jul 11, 2017 Resolved

Full record since 1996

EPA's records for Hyannis Water System, Town of Barnstable go back to 1996. Before October 19, 2016 they list 6 health-based violations (4 resolved, 2 archived by EPA without a recorded fix) and 35 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 3
2000s 5 32
October 19, 2016 to 2019 0 1

Most recent health-based violation before October 19, 2016: Total Coliform, began August 2009, Resolved.

Show all 6 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Aug 1, 2009 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Nov 1, 2007 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Oct 1, 2007 Resolved
Total Coliform
Contaminant limit exceeded
Dec 1, 2002 Archived
Total Coliform (acute)
Contaminant limit exceeded
Dec 1, 2002 Archived
Total Coliform
Contaminant limit exceeded
May 1, 1997 Resolved

Enforcement actions

Massachusetts regulators took 11 formal enforcement actions against Hyannis Water System, Town of Barnstable between 1996 and 2010. The most recent was a compliance order (no penalty) in March 2010.

Date By Action Violations covered
Mar 30, 2010 Massachusetts Compliance order (no penalty) 5 violations (1 health-based): Total Coliform
Dec 2, 2009 Massachusetts Compliance order (no penalty) 22 violations: Benzene, CHLOROBENZENE, o-Dichlorobenzene, trans-1,2-Dichloroethylene, cis-1,2-Dichloroethylene
Nov 24, 2009 Massachusetts Compliance order (no penalty) 2 violations: Haloacetic Acids (HAA5), Total Trihalomethanes (TTHMs)
Nov 18, 2009 Massachusetts Compliance order (no penalty) 1 violation: Lead and Copper Rule
Sep 9, 2009 Massachusetts Compliance order (no penalty) 1 violation: Total Coliform
Nov 15, 2007 Massachusetts Compliance order (no penalty) 3 violations (2 health-based): Total Coliform, Public Notice
May 16, 2007 Massachusetts Compliance order (no penalty) 1 violation: Total Coliform
Feb 19, 2003 Massachusetts Compliance order (no penalty) 2 violations (2 health-based): Total Coliform
Aug 23, 2000 Massachusetts Compliance order (no penalty) 1 violation: Lead and Copper Rule
Mar 1, 1999 Massachusetts Compliance order (no penalty) 1 violation: Nitrate
Sep 30, 1996 Massachusetts Compliance order (no penalty) 1 violation: Total Coliform

Where the water comes from

Hyannis Water System, Town of Barnstable draws water from 13 wells (1 of them for emergency, seasonal or other part-time use). It also buys water from Centerville Osterville Marstons Mills WD.

Buys water from

Annual water quality report

Hyannis Water System, Town of Barnstable 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.