Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

PORTSMOUTH WATER WORKS

New Hampshire — Community Water System — PWSID: NH1951010

System Information

PWSIDNH1951010
System NamePORTSMOUTH WATER WORKS
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
CityPORTSMOUTH
ZIP Code03801
Address680 PEVERLY HILL RD
OrganizationPORTSMOUTH WATER WORKS
Phone—

Population & Service

Population Served33,000
Service Connections7,200

Drinking Water Violations (25)

This water system has 25 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, 2014 Sep 30, 2014 TTHM MCL Yes No .083 MG/L 0.080 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .083 MG/L 0.080 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2008 Feb 1, 2008 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 1, 2008 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2007 Apr 1, 2007 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2007 Surface Water Treatment Rule
Mar 1, 2007 Apr 1, 2007 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2007 Surface Water Treatment Rule
Mar 1, 2007 Apr 1, 2007 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2007 Surface Water Treatment Rule
Jul 1, 2006 Aug 1, 2006 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 1, 2006 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2006 Aug 1, 2006 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 1, 2006 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2006 Aug 1, 2006 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 1, 2006 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2006 Aug 1, 2006 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 1, 2006 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2005 Nov 1, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Nov 1, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2005 Nov 1, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Nov 1, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2005 Nov 1, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Nov 1, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2005 Nov 1, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Nov 1, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2005 Nov 1, 2005 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Nov 1, 2005 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2003 Jun 30, 2003 Total Haloacetic Acids (HAA5) MCL Yes No .067 0.060 mg/L — Resolved Jun 30, 2003 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2003 Jun 30, 2003 Total Haloacetic Acids (HAA5) MCL Yes No .067 0.060 mg/L — Resolved Jun 30, 2003 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2003 Jun 30, 2003 Total Haloacetic Acids (HAA5) MCL Yes No .067 0.060 mg/L — Resolved Jun 30, 2003 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2003 Mar 31, 2003 TTHM MCL Yes No .089 0.080 mg/L — Resolved Mar 31, 2003 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2003 Mar 31, 2003 TTHM MCL Yes No .089 0.080 mg/L — Resolved Mar 31, 2003 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2001 Jul 31, 2001 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2001 Surface Water Treatment Rule
Jul 1, 2001 Jul 31, 2001 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2001 Surface Water Treatment Rule
Jul 1, 2001 Jul 31, 2001 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2001 Surface Water Treatment Rule
Dec 1, 1998 Dec 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 1998 Surface Water Treatment Rule
Dec 1, 1998 Dec 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 1998 Surface Water Treatment 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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in New Hampshire