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LANCASTER WATER DEPT

New Hampshire — Community Water System — PWSID: NH1291010

System Information

PWSIDNH1291010
System NameLANCASTER WATER DEPT
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedMar 8, 1979
Last ReportedDec 15, 2025

Location & Contact

StateNew Hampshire
CityLANCASTER
ZIP Code03584
Address25 MAIN ST
OrganizationLANCASTER WATER DEPT
Phone—

Population & Service

Population Served2,450
Service Connections975

Drinking Water Violations (174)

This water system has 174 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, 2018 Sep 30, 2018 Total Haloacetic Acids (HAA5) MCL Yes No .094 MG/L 0.060 mg/L — Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 Total Haloacetic Acids (HAA5) MCL Yes No .094 MG/L 0.060 mg/L — Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 Total Haloacetic Acids (HAA5) MCL Yes No .094 MG/L 0.060 mg/L — Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 Total Haloacetic Acids (HAA5) MCL Yes No .094 MG/L 0.060 mg/L — Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Total Haloacetic Acids (HAA5) MCL Yes No .064 MG/L 0.060 mg/L — Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Total Haloacetic Acids (HAA5) MCL Yes No .064 MG/L 0.060 mg/L — Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Total Haloacetic Acids (HAA5) MCL Yes No .064 MG/L 0.060 mg/L — Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Total Haloacetic Acids (HAA5) MCL Yes No .064 MG/L 0.060 mg/L — Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 Total Haloacetic Acids (HAA5) MCL Yes No .063 MG/L 0.060 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 Total Haloacetic Acids (HAA5) MCL Yes No .063 MG/L 0.060 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 Total Haloacetic Acids (HAA5) MCL Yes No .063 MG/L 0.060 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 Total Haloacetic Acids (HAA5) MCL Yes No .063 MG/L 0.060 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MCL Yes No .062 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MCL Yes No .062 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MCL Yes No .062 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 Total Haloacetic Acids (HAA5) MCL Yes No .062 0.060 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 1995 Nov 30, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Archived Nov 30, 1995 Total Coliform Rule
Jul 1, 1995 Sep 30, 1995 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1995 Nitrate Rule
Jul 1, 1995 Sep 30, 1995 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1995 Nitrate Rule
Jul 1, 1995 Sep 30, 1995 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1995 Nitrate Rule
Jul 1, 1995 Sep 30, 1995 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1995 Nitrate Rule
Apr 1, 1995 Jun 30, 1995 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 1995 Nitrate Rule
Apr 1, 1995 Jun 30, 1995 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 1995 Nitrate Rule
Apr 1, 1995 Jun 30, 1995 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 1995 Nitrate Rule
Jan 1, 1995 Dec 31, 1995 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Dec 31, 1995 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Dec 31, 1995 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Dec 31, 1995 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Dec 31, 1995 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 1995 Arsenic Rule
Jan 1, 1995 Dec 31, 1995 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Dec 31, 1995 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Dec 31, 1995 Chromium MR No Yes — 0.1 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 Chromium MR No Yes — 0.1 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 Chromium MR No Yes — 0.1 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 Cadmium MR No Yes — 0.005 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 Cadmium MR No Yes — 0.005 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 Cadmium MR No Yes — 0.005 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 Cadmium MR No Yes — 0.005 mg/L — Resolved Dec 31, 1995 Inorganic Chemicals
Jan 1, 1995 Dec 31, 1995 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Dec 31, 1995 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Dec 31, 1995 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1995 Volatile Organic Chemicals
Jan 1, 1995 Dec 31, 1995 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 1995 Volatile Organic 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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