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ACTON WATER SUPPLY DISTRICT

Massachusetts — Community Water System — PWSID: MA2002000

System Information

PWSIDMA2002000
System NameACTON WATER SUPPLY DISTRICT
System TypeCommunity Water System
Water SourceGround Water Under Influence
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedFeb 26, 1979
Last ReportedDec 17, 2025

Location & Contact

StateMassachusetts
CityACTON
ZIP Code01720
AddressP.O. BOX 953
OrganizationACTON WATER SUPPLY DISTRICT
Phone9782639107

Population & Service

Population Served20,780
Service Connections6,896

Drinking Water Violations (36)

This water system has 36 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
Mar 1, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No No — — — Resolved Mar 31, 2024 Revised Total Coliform Rule
Oct 1, 2023 Dec 31, 2023 ETHYLENE DIBROMIDE MR No No — 0.00005 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 ETHYLENE DIBROMIDE MR No No — 0.00005 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 1,1-Dichloroethylene MR No No — 0.007 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Vinyl chloride MR No No — 0.002 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Xylenes, Total MR No No — 10 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Styrene MR No No — 0.1 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Styrene MR No No — 0.1 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Oct 1, 2023 Dec 31, 2023 DICHLOROMETHANE MR No No — 0.005 mg/L — Resolved Dec 31, 2023 Volatile Organic Chemicals
Dec 1, 2014 Dec 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2014 Total Coliform Rule
Dec 1, 2014 Dec 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2014 Total Coliform Rule
Nov 1, 2013 Nov 30, 2013 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2013 Total Coliform Rule
Apr 1, 2007 Jun 30, 2007 trans-1,2-Dichloroethylene MR No No — 0.1 mg/L — Resolved Jun 30, 2007 Volatile Organic Chemicals
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Jun 1, 2005 Jun 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2005 Total Coliform Rule
Jun 1, 2005 Jun 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2005 Total Coliform Rule
Sep 1, 2004 Sep 30, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2004 Total Coliform Rule
Sep 1, 2004 Sep 30, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2004 Total Coliform Rule
Jan 1, 2004 Jan 31, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2004 Total Coliform Rule
Sep 1, 1997 Sep 30, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1997 Total Coliform Rule
Nov 1, 1996 Nov 30, 1996 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 1996 Total Coliform Rule
Jul 1, 1996 Sep 30, 1996 Toluene MR No No — 1 mg/L — Archived Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 Styrene MR No No — 0.1 mg/L — Archived Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 cis-1,2-Dichloroethylene MR No No — 0.07 mg/L — Archived Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 Xylenes, Total MR No No — 10 mg/L — Archived Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 DICHLOROMETHANE MR No No — 0.005 mg/L — Archived Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 CHLOROBENZENE MR No No — 0.1 mg/L — Archived Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 Ethylbenzene MR No No — 0.7 mg/L — Archived Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 1,2-Dichloroethane MR No No — 0.005 mg/L — Archived Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 1,1-Dichloroethylene MR No No — 0.007 mg/L — Archived Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 o-Dichlorobenzene MR No No — 0.6 mg/L — Archived Sep 30, 1996 Volatile Organic Chemicals
Jul 1, 1996 Sep 30, 1996 1,2,4-Trichlorobenzene MR No No — 0.07 mg/L — Archived Sep 30, 1996 Volatile Organic Chemicals
Jan 1, 1994 Mar 31, 1994 Nitrate MR No No — 10 mg/L — Resolved Mar 31, 1994 Nitrate Rule
Jan 1, 1993 Mar 31, 1993 Nitrate MR No Yes — 10 mg/L — Archived Mar 31, 1993 Nitrate Rule
Aug 31, 1980 Mar 30, 1983 Other No No — — — Archived Mar 30, 1983 Miscellaneous Other Rules

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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