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CHESTER WATER DEPT

Massachusetts — Community Water System — PWSID: MA1059000

System Information

PWSIDMA1059000
System NameCHESTER WATER DEPT
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedFeb 26, 1979
Last ReportedDec 17, 2025

Location & Contact

StateMassachusetts
CityCHESTER
ZIP Code01011
Address15 MIDDLEFIELD RD TOWN HALL
OrganizationCHESTER WATER DEPT
Phone4133547760

Population & Service

Population Served750
Service Connections250

Drinking Water Violations (91)

This water system has 91 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, 2024 Jul 31, 2024 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Archived Jul 31, 2024 Long Term 2 Enhanced Surface Water Treatment Rule
Oct 10, 2023 — Lead and Copper Rule MR No No — TT — Resolved Nov 6, 2023 Lead and Copper Rule
Jul 1, 2019 Sep 30, 2019 Chlordane MR No No — 0.002 mg/L — Resolved Sep 30, 2019 Synthetic Organic Chemicals
Jul 1, 2019 Sep 30, 2019 Heptachlor MR No No — 0.0004 mg/L — Resolved Sep 30, 2019 Synthetic Organic Chemicals
Jul 1, 2019 Sep 30, 2019 Heptachlor MR No No — 0.0004 mg/L — Resolved Sep 30, 2019 Synthetic Organic Chemicals
Jul 1, 2019 Sep 30, 2019 Pentachlorophenol MR No No — 0.001 mg/L — Resolved Sep 30, 2019 Synthetic Organic Chemicals
Jul 1, 2019 Sep 30, 2019 Toxaphene MR No No — 0.003 mg/L — Resolved Sep 30, 2019 Synthetic Organic Chemicals
Jul 1, 2019 Sep 30, 2019 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Sep 30, 2019 Synthetic Organic Chemicals
Jul 1, 2019 Sep 30, 2019 Simazine MR No No — 0.004 mg/L — Resolved Sep 30, 2019 Synthetic Organic Chemicals
Jul 1, 2018 Sep 30, 2018 TTHM MR No No — 0.080 mg/L — Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Jul 29, 2010 Consumer Confidence Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Jul 29, 2010 Consumer Confidence Rule
Apr 1, 2005 Jun 30, 2005 Arsenic MR No No — 0.010 mg/L — Archived Jun 30, 2005 Arsenic Rule
Jul 1, 2000 Jul 31, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 2000 Total Coliform Rule
Oct 1, 1998 Dec 31, 1998 Toxaphene MR No No — 0.003 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 2,3,7,8-TCDD MR No No — 0.00000003 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Heptachlor MR No No — 0.0004 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 LASSO MR No No — — — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Atrazine MR No No — 0.003 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Aldicarb MR No No — — — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Carbofuran MR No No — 0.04 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Aldicarb sulfone MR No No — — — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Dinoseb MR No No — 0.007 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Picloram MR No No — 0.5 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Simazine MR No No — 0.004 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Dalapon MR No No — 0.2 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Di(2-ethylhexyl) adipate MR No No — 0.4 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Heptachlor epoxide MR No No — 0.0002 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 2,4,5-TP MR No No — 0.05 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 HEXACHLOROBENZENE MR No No — 0.001 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Pentachlorophenol MR No No — 0.001 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 ETHYLENE DIBROMIDE MR No No — 0.00005 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 OXAMYL MR No No — 0.2 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Benzo(a)pyrene MR No No — 0.0002 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Chlordane MR No No — 0.002 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Endothall MR No No — 0.1 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Methoxychlor MR No No — 0.04 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 1,2-DIBROMO-3-CHLOROPROPANE MR No No — 0.0002 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Glyphosate MR No No — 0.7 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Diquat MR No No — 0.02 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Aldicarb sulfoxide MR No No — — — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 Endrin MR No No — 0.002 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Oct 1, 1998 Dec 31, 1998 BHC-GAMMA MR No No — 0.0002 mg/L — Archived Dec 31, 1998 Synthetic Organic Chemicals
Jul 1, 1998 Sep 30, 1998 Beryllium, Total MR No No — 0.004 mg/L — Archived Sep 30, 1998 Inorganic Chemicals
Jul 1, 1998 Sep 30, 1998 Antimony, Total MR No No — 0.006 mg/L — Archived Sep 30, 1998 Inorganic Chemicals
Jul 1, 1998 Sep 30, 1998 Nickel MR No No — — — Archived Sep 30, 1998 Inorganic Chemicals
Jul 1, 1998 Sep 30, 1998 Fluoride MR No No — 4.0 mg/L — Archived Sep 30, 1998 Inorganic Chemicals
Jul 1, 1998 Sep 30, 1998 Chromium MR No No — 0.1 mg/L — Archived Sep 30, 1998 Inorganic Chemicals

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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