Public water system record

Cohasset Water Dept

Serves an area of Norfolk County, MA · 7,555 people served

Federal records show no health-based violations and 32 monitoring/reporting issues for Cohasset Water Dept in the last ten years.

  • MA4065000
  • COHASSET
  • MA
  • 7,555 served

System profile

Source water Surface water
ZIP 02025
EPA system ID MA4065000

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
32

Key facts

  • Cohasset Water Dept draws water from 3 wells and 2 surface water intakes (2 of them for emergency, seasonal or other part-time use).
  • Most recent formal enforcement: compliance order (no penalty) by Massachusetts, August 2022.
  • Record on file since 1991, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 22 unknown out of 2,692 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
Consumer Confidence Rule
OTHER
Jul 1, 2022 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
LASSO
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
2,3,7,8-TCDD
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Simazine
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Picloram
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
OXAMYL
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Hexachlorocyclopentadiene
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
HEXACHLOROBENZENE
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Glyphosate
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Endothall
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Diquat
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Dinoseb
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Di(2-ethylhexyl) adipate
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Dalapon
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Benzo(a)pyrene
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2-DIBROMO-3-CHLOROPROPANE
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Total Polychlorinated Biphenyls (PCB)
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
BHC-GAMMA
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Methoxychlor
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
2,4,5-TP
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Toxaphene
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Pentachlorophenol
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Heptachlor
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Heptachlor epoxide
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
ETHYLENE DIBROMIDE
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Endrin
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
2,4-D
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chlordane
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Carbofuran
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Atrazine
Monitoring and reporting
Apr 1, 2021 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.

Full record since 1991

EPA's records for Cohasset Water Dept go back to 1991. Before October 19, 2016 they list 2 health-based violations (1 resolved, 1 archived by EPA without a recorded fix) and 13 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 8
2000s 1 2
2010 to October 18, 2016 0 3
2020s 0 32

Most recent health-based violation before October 19, 2016: Lead and Copper Rule, began April 2008, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Lead and Copper Rule
Treatment technique failure
Apr 1, 2008 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 1996 Archived

Enforcement actions

Massachusetts regulators took 7 formal enforcement actions against Cohasset Water Dept between 1994 and 2022. The most recent was a compliance order (no penalty) in August 2022.

Date By Action Violations covered
Aug 15, 2022 Massachusetts Compliance order (no penalty) 1 violation: Consumer Confidence Rule
Nov 17, 2021 Massachusetts Compliance order (no penalty) 31 violations: Carbofuran, Chlordane, Endrin, ETHYLENE DIBROMIDE, Heptachlor
Feb 21, 2013 Massachusetts Compliance order (no penalty) 2 violations: Total Coliform
Jan 20, 2010 Massachusetts Compliance order (no penalty) 1 violation: Lead and Copper Rule
Feb 27, 2009 Massachusetts Compliance order (no penalty) 1 violation: Total Coliform
Sep 18, 2008 Massachusetts Compliance order (no penalty) 1 violation (1 health-based): Lead and Copper Rule
Nov 25, 1994 Massachusetts Compliance order (no penalty) 1 violation: Total Coliform

Where the water comes from

Cohasset Water Dept draws water from 3 wells and 2 surface water intakes (2 of them for emergency, seasonal or other part-time use). 1 other community water system buys water from Cohasset Water Dept.

Community systems that buy water from it

Annual water quality report

Cohasset 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.

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.