COHASSET WATER DEPT

Massachusetts — Community Water System — PWSID: MA4065000

System Information

PWSIDMA4065000
System NameCOHASSET WATER DEPT
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerYes
First ReportedFeb 26, 1979
Last ReportedMar 17, 2026

Location & Contact

StateMassachusetts
CityCOHASSET
ZIP Code02025
Address339 KING ST
OrganizationCOHASSET WATER DEPT
Phone7813830057

Population & Service

Population Served7,555
Service Connections2,692

Drinking Water Violations (64)

This water system has 64 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jul 1, 2022 Other No No Resolved Aug 15, 2022
Jul 1, 2022 Other No No Resolved Aug 15, 2022
Jun 1, 2021 Jun 30, 2021 MR No No Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.7 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.2 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.006 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.007 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.02 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.001 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.05 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.004 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.1 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.00000003 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.0002 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.4 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.003 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.5 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.04 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.07 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.0002 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.2 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.0005 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.04 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.0002 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.002 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.002 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.00005 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.0004 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.001 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.003 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.05 mg/L Archived Jun 30, 2021
Apr 1, 2021 Jun 30, 2021 MR No No 0.0002 mg/L Archived Jun 30, 2021
Dec 1, 2012 Dec 31, 2012 MR No No 5% of samples Resolved Dec 31, 2012
Dec 1, 2012 Dec 31, 2012 MR No No 5% of samples Resolved Dec 31, 2012
Dec 1, 2012 Dec 31, 2012 Other No No 5% of samples Resolved Dec 31, 2012
Dec 1, 2012 Dec 31, 2012 Other No No 5% of samples Resolved Dec 31, 2012
Jan 1, 2010 MR No No TT Resolved Aug 19, 2010
Jan 1, 2010 MR No No TT Resolved Aug 19, 2010
Jul 1, 2008 Jul 31, 2008 MR No No 5% of samples Resolved Jul 31, 2008
Jul 1, 2008 Jul 31, 2008 MR No No 5% of samples Resolved Jul 31, 2008
Apr 1, 2008 TT Yes No TT Resolved Dec 2, 2008
Apr 1, 2008 TT Yes No TT Resolved Dec 2, 2008
Jun 1, 2000 Jun 30, 2000 MR No No 5% of samples Archived Jun 30, 2000
Aug 1, 1996 Aug 31, 1996 MCL Yes No 5% of samples Archived Aug 31, 1996
Oct 1, 1994 Oct 31, 1994 MR No No 5% of samples Archived Oct 31, 1994
Sep 1, 1994 Sep 30, 1994 MR No No 5% of samples Archived Sep 30, 1994
Oct 1, 1991 Dec 31, 1991 MR No Yes 0.002 mg/L Resolved Dec 31, 1991
Oct 1, 1991 Dec 31, 1991 MR No Yes 0.07 mg/L Resolved Dec 31, 1991
Oct 1, 1991 Dec 31, 1991 MR No Yes 0.07 mg/L Resolved Dec 31, 1991

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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