HILLSBOROUGH, NH · Hillsborough County

HILLSBOROUGH WATER WORKS Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace New Hampshire’s official records. Always confirm current status with New Hampshire before making decisions based on this information.

System facts

System ID (PWSID): NH1141010
System type: Community Water System
Population served: 2,000
Service connections: 907
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2018 – April 1, 2018
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
July 1, 2013 – September 30, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2013 – June 30, 2013
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2012 – September 30, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2012 – June 30, 2012
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2011 – September 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
April 1, 2011 – June 30, 2011
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2010 – September 30, 2010
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2009 – September 30, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
January 1, 2009 – March 31, 2009
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
April 1, 2008 – June 30, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2008 – March 31, 2008
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2007 – December 31, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
January 1, 2006 – March 31, 2006
Resolved
Monitoring, Regular
—
Chlordane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
Nickel
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 1996 – December 31, 1996
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 1994 – December 31, 1994
Resolved
Monitoring, Regular
—
Nickel
January 1, 1994 – December 31, 1994
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2018 – April 1, 2018	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2013 – September 30, 2013	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
April 1, 2013 – June 30, 2013	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2012 – September 30, 2012	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2012 – June 30, 2012	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2011 – September 30, 2011	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2010 – September 30, 2010	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2009 – September 30, 2009	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2009 – March 31, 2009	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
April 1, 2008 – June 30, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 2008 – March 31, 2008	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
October 1, 2007 – December 31, 2007	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
January 1, 2006 – March 31, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Chlordane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	Nickel	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 1996 – December 31, 1996	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 1994 – December 31, 1994	Monitoring, Regular	Nickel	—	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

February 5, 2015State Violation/Reminder Notice33 linked violations
November 24, 2014State Public Notification requested4 linked violations
November 24, 2014State Public Notification requested4 linked violations
August 2, 2013State Public Notification requested6 linked violations
May 10, 2013State Violation/Reminder Notice4 linked violations
February 5, 2013State Public Notification requested14 linked violations
November 5, 2012State Public Notification requested12 linked violations
November 5, 2012State Public Notification requested13 linked violations
November 30, 2011State Public Notification received16 linked violations
October 12, 2011State Administrative/Compliance Order without penalty issued9 linked violations
July 29, 2010State Public Notification requested19 linked violations
January 28, 2010State Public Notification requested18 linked violations
August 11, 2009State Public Notification received8 linked violations
May 21, 2009State Public Notification requested7 linked violations
April 2, 2009State Public Notification received8 linked violations
September 25, 2008State Public Notification requested6 linked violations
May 20, 2008State Public Notification requested10 linked violations
August 23, 2007State Public Notification received6 linked violations
June 7, 2007State Public Notification received8 linked violations
May 11, 2006State Public Notification requested16 linked violations
November 15, 2005State Violation/Reminder Notice18 linked violations
March 5, 1997State Formal Notice of Violation issued554 linked violations

Contact

HILLSBOROUGH WATER

Phone not on record

HILLSBOROUGH, NH 03244