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GREAT BAY WATER SYSTEM

New Hampshire — Community Water System — PWSID: NH1732030

System Information

PWSIDNH1732030
System NameGREAT BAY WATER SYSTEM
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedMar 2, 1989
Last ReportedDec 15, 2025

Location & Contact

StateNew Hampshire
CityNASHUA
ZIP Code03064
AddressPO BOX 428
OrganizationPENNICHUCK WATER WORKS INC
Phone—

Population & Service

Population Served218
Service Connections87

Drinking Water Violations (589)

This water system has 589 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
Dec 1, 2009 Dec 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2009 Total Coliform Rule
Dec 1, 2009 Dec 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2009 Total Coliform Rule
Dec 1, 2009 Dec 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2009 Total Coliform Rule
Dec 1, 2009 Dec 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2009 Total Coliform Rule
Dec 1, 2009 Dec 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2009 Total Coliform Rule
Oct 1, 2009 Oct 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2009 Total Coliform Rule
Oct 1, 2009 Oct 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2009 Total Coliform Rule
Oct 1, 2009 Oct 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2009 Total Coliform Rule
Oct 1, 2009 Oct 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2009 Total Coliform Rule
Oct 1, 2009 Oct 31, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2009 Total Coliform Rule
Aug 1, 2008 Aug 31, 2008 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2008 Total Coliform Rule
Aug 1, 2008 Aug 31, 2008 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2008 Total Coliform Rule
Aug 1, 2008 Aug 31, 2008 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2008 Total Coliform Rule
Aug 1, 2008 Aug 31, 2008 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2008 Total Coliform Rule
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
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
Jan 1, 2004 Mar 31, 2004 Combined Radium (-226 and -228) MCL Yes No 10.4 5 pCi/L — Resolved Mar 31, 2004 Radionuclides and Revised Rad Rule
Jan 1, 2004 Mar 31, 2004 Gross Alpha, Excl. Radon and U MCL Yes No 46 15 pCi/L — Resolved Mar 31, 2004 Radionuclides and Revised Rad Rule
Jan 1, 2004 Mar 31, 2004 Combined Radium (-226 and -228) MCL Yes No 10.4 5 pCi/L — Resolved Mar 31, 2004 Radionuclides and Revised Rad Rule
Jan 1, 2004 Mar 31, 2004 Gross Alpha, Excl. Radon and U MCL Yes No 46 15 pCi/L — Resolved Mar 31, 2004 Radionuclides and Revised Rad Rule
Jan 1, 1998 Dec 31, 1998 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1998 Nitrate Rule
Jan 1, 1998 Dec 31, 1998 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1998 Nitrate Rule
Jan 1, 1998 Dec 31, 1998 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1998 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 1998 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1998 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1998 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1998 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 1998 Nitrate Rule
Jan 1, 1998 Dec 31, 1998 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 1998 Nitrate Rule
Jan 1, 1998 Dec 31, 1998 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1998 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 1998 Nitrate Rule
Jan 1, 1998 Dec 31, 1998 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 1998 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1998 Nitrate Rule
Jan 1, 1998 Dec 31, 1998 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 1998 Volatile Organic Chemicals
Jan 1, 1998 Dec 31, 1998 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 1998 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 1998 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1998 Nitrate Rule
Jan 1, 1998 Dec 31, 1998 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 1998 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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