CONTOOCOOK RIVER COOPERATIVE

New Hampshire — Community Water System — PWSID: NH0603010

System Information

PWSID	NH0603010
System Name	CONTOOCOOK RIVER COOPERATIVE
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Private
EPA Region	01
Serves School	No
Wholesaler	No
First Reported	Mar 8, 1979
Last Reported	Dec 15, 2025

Location & Contact

State	New Hampshire
City	DEERING
ZIP Code	03244
Address	100 WYMAN RD BOX 100
Organization	CONTOOCOOK RIVER COOPERATIVE LLC
Phone	—

Population & Service

Population Served	245
Service Connections	89

Drinking Water Violations (121)

This water system has 121 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
Sep 5, 2013	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Oct 31, 2013	Ground Water Rule
Sep 5, 2013	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Oct 31, 2013	Ground Water Rule
Sep 5, 2013	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Oct 31, 2013	Ground Water Rule
Sep 5, 2013	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Oct 31, 2013	Ground Water Rule
Sep 1, 2013	Sep 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2013	Total Coliform Rule
Sep 1, 2013	Sep 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2013	Total Coliform Rule
Sep 1, 2013	Sep 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2013	Total Coliform Rule
Sep 1, 2013	Sep 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2013	Total Coliform Rule
Aug 1, 2013	Aug 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2013	Total Coliform Rule
Aug 1, 2013	Aug 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2013	Total Coliform Rule
Aug 1, 2013	Aug 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 2013	Total Coliform Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2013	Total Coliform Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2013	Total Coliform Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2013	Total Coliform Rule
Jul 1, 2013	Jul 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 2013	Total Coliform Rule
May 3, 2013	—	E. COLI	MR	No	Yes	—	—	—	Resolved	May 22, 2013	Ground Water Rule
May 3, 2013	—	E. COLI	MR	No	Yes	—	—	—	Resolved	May 22, 2013	Ground Water Rule
May 1, 2013	May 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2013	Total Coliform Rule
May 1, 2013	May 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2013	Total Coliform Rule
May 1, 2013	May 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2013	Total Coliform Rule
May 1, 2013	May 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	May 31, 2013	Total Coliform Rule
Apr 4, 2013	—	Public Notice	Other	No	No	—	—	—	Resolved	May 2, 2013	Public Notice Rule and Revised PN Rule
Apr 4, 2013	—	Public Notice	Other	No	No	—	—	—	Resolved	May 2, 2013	Public Notice Rule and Revised PN Rule
Apr 1, 2013	Apr 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 30, 2013	Total Coliform Rule
Apr 1, 2013	Apr 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 30, 2013	Total Coliform Rule
Apr 1, 2013	Apr 30, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Apr 30, 2013	Total Coliform Rule
Mar 1, 2013	Mar 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Mar 31, 2013	Total Coliform Rule
Mar 1, 2013	Mar 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Mar 31, 2013	Total Coliform Rule
Mar 1, 2013	Mar 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Mar 31, 2013	Total Coliform Rule
Mar 1, 2013	Mar 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Mar 31, 2013	Total Coliform Rule
Feb 13, 2013	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Feb 22, 2013	Ground Water Rule
Feb 13, 2013	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Feb 22, 2013	Ground Water Rule
Feb 13, 2013	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Feb 22, 2013	Ground Water Rule
Feb 1, 2013	Feb 28, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 28, 2013	Total Coliform Rule
Feb 1, 2013	Feb 28, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 28, 2013	Total Coliform Rule
Jan 5, 2013	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Feb 4, 2013	Ground Water Rule
Jan 5, 2013	—	E. COLI	MR	No	Yes	—	—	—	Resolved	Feb 4, 2013	Ground Water Rule
Jan 1, 2013	Jan 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 2013	Total Coliform Rule
Jan 1, 2013	Jan 31, 2013	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jan 31, 2013	Total Coliform Rule
Dec 30, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Jan 24, 2013	Public Notice Rule and Revised PN Rule
Dec 30, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Jan 24, 2013	Public Notice Rule and Revised PN Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 2012	Total Coliform Rule
Dec 1, 2012	Dec 31, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Dec 31, 2012	Total Coliform Rule
Nov 21, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Dec 7, 2012	Public Notice Rule and Revised PN Rule
Nov 21, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Dec 7, 2012	Public Notice Rule and Revised PN Rule
Nov 1, 2012	Nov 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 30, 2012	Total Coliform Rule
Nov 1, 2012	Nov 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 30, 2012	Total Coliform Rule
Nov 1, 2012	Nov 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 30, 2012	Total Coliform 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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