NEW CASTLE WATER WORKS

New Hampshire — Community Water System — PWSID: NH1661010

System Information

PWSIDNH1661010
System NameNEW CASTLE WATER WORKS
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedDec 21, 1983
Last ReportedDec 15, 2025

Location & Contact

StateNew Hampshire
CityPORTSMOUTH
ZIP Code03801
Address680 PEVERLY HILL RD
OrganizationPORTSMOUTH WATER WORKS
Phone

Population & Service

Population Served910
Service Connections365

Drinking Water Violations (86)

This water system has 86 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
Oct 1, 2023 Lead and Copper Rule MR No No TT Resolved Apr 2, 2024 Lead and Copper Rule
Oct 1, 2023 Lead and Copper Rule MR No No TT Resolved Apr 2, 2024 Lead and Copper Rule
Jul 1, 2018 Sep 30, 2018 TTHM MCL Yes No .081 MG/L 0.080 mg/L Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 TTHM MCL Yes No .081 MG/L 0.080 mg/L Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 TTHM MCL Yes No .081 MG/L 0.080 mg/L Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 TTHM MCL Yes No .081 MG/L 0.080 mg/L Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2018 Jun 30, 2018 TTHM MCL Yes No .09 MG/L 0.080 mg/L Resolved Jun 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2018 Jun 30, 2018 TTHM MCL Yes No .09 MG/L 0.080 mg/L Resolved Jun 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2018 Jun 30, 2018 TTHM MCL Yes No .09 MG/L 0.080 mg/L Resolved Jun 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2018 Jun 30, 2018 TTHM MCL Yes No .09 MG/L 0.080 mg/L Resolved Jun 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 TTHM MCL Yes No .095 MG/L 0.080 mg/L Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 TTHM MCL Yes No .095 MG/L 0.080 mg/L Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 TTHM MCL Yes No .095 MG/L 0.080 mg/L Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 TTHM MCL Yes No .095 MG/L 0.080 mg/L Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 TTHM MCL Yes No .097 MG/L 0.080 mg/L Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 TTHM MCL Yes No .097 MG/L 0.080 mg/L Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 TTHM MCL Yes No .097 MG/L 0.080 mg/L Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 TTHM MCL Yes No .097 MG/L 0.080 mg/L Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Sep 30, 2017 TTHM MCL Yes No .094 MG/L 0.080 mg/L Resolved Sep 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Sep 30, 2017 TTHM MCL Yes No .094 MG/L 0.080 mg/L Resolved Sep 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2017 Jun 30, 2017 TTHM MCL Yes No .085 MG/L 0.080 mg/L Resolved Jun 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2017 Jun 30, 2017 TTHM MCL Yes No .085 MG/L 0.080 mg/L Resolved Jun 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2017 Jun 30, 2017 TTHM MCL Yes No .085 MG/L 0.080 mg/L Resolved Jun 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2017 Jun 30, 2017 TTHM MCL Yes No .085 MG/L 0.080 mg/L Resolved Jun 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Mar 31, 2017 TTHM MCL Yes No .083 MG/L 0.080 mg/L Resolved Mar 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Mar 31, 2017 TTHM MCL Yes No .083 MG/L 0.080 mg/L Resolved Mar 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Mar 31, 2017 TTHM MCL Yes No .083 MG/L 0.080 mg/L Resolved Mar 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Mar 31, 2017 TTHM MCL Yes No .083 MG/L 0.080 mg/L Resolved Mar 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Dec 31, 2016 TTHM MCL Yes No .087 MG/L 0.080 mg/L Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Dec 31, 2016 TTHM MCL Yes No .087 MG/L 0.080 mg/L Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Jan 1, 2017 Chlorine MR No Yes 4.0 mg/L Resolved Jan 1, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Jan 1, 2017 Chlorine MR No Yes 4.0 mg/L Resolved Jan 1, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Jan 1, 2017 Chlorine MR No Yes 4.0 mg/L Resolved Jan 1, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Jan 1, 2017 Chlorine MR No Yes 4.0 mg/L Resolved Jan 1, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No .089 MG/L 0.080 mg/L Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No .089 MG/L 0.080 mg/L Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No .089 MG/L 0.080 mg/L Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No .089 MG/L 0.080 mg/L Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MCL Yes No .089 MG/L 0.080 mg/L Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 TTHM MCL Yes No .087 MG/L 0.080 mg/L Resolved Jun 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 TTHM MCL Yes No .087 MG/L 0.080 mg/L Resolved Jun 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 TTHM MCL Yes No .087 MG/L 0.080 mg/L Resolved Jun 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 TTHM MCL Yes No .087 MG/L 0.080 mg/L Resolved Jun 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 TTHM MCL Yes No .087 MG/L 0.080 mg/L Resolved Jun 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 TTHM MCL Yes No .089 MG/L 0.080 mg/L Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 TTHM MCL Yes No .089 MG/L 0.080 mg/L Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 TTHM MCL Yes No .089 MG/L 0.080 mg/L Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 TTHM MCL Yes No .089 MG/L 0.080 mg/L Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Lead and Copper Rule MR No No TT Resolved Sep 8, 2015 Lead and Copper Rule
Jul 1, 2015 Lead and Copper Rule MR No No TT Resolved Sep 8, 2015 Lead and Copper Rule

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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