ALTON WATER WORKS

New Hampshire - Community Water System - PWSID: NH0061010

System Information

PWSID	NH0061010
System Name	ALTON WATER WORKS
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	01
Serves School	No
Wholesaler	No
First Reported	Aug 7, 1980
Last Reported	Jun 23, 2026

Location & Contact

State	New Hampshire
City	ALTON
ZIP Code	03809
Address	PO BOX 803
Organization	ALTON WATER WORKS
Phone	-

Population & Service

Population Served	1,800
Service Connections	712

Drinking Water Violations (422)

This water system has 422 violations recorded in the EPA SDWIS database.

Begin Date	End Date	Category	Health-Based	Major	Measured	Federal MCL	State MCL	Status	Return to Compliance	Rule
Mar 31, 2026	-	MR	No	No	-	TT	-	Unaddressed	-	-
Jul 1, 2020	Sep 30, 2020	MCL	Yes	No	.011 MG/L	0.010 mg/L	-	Resolved	Sep 30, 2020	-
Jul 1, 2020	Sep 30, 2020	MCL	Yes	No	.011 MG/L	0.010 mg/L	-	Resolved	Sep 30, 2020	-
Jul 1, 2020	Sep 30, 2020	MCL	Yes	No	.011 MG/L	0.010 mg/L	-	Resolved	Sep 30, 2020	-
Jul 1, 2020	Sep 30, 2020	MCL	Yes	No	.011 MG/L	0.010 mg/L	-	Resolved	Sep 30, 2020	-
Apr 1, 2020	Jun 30, 2020	MCL	Yes	No	.019 MG/L	0.010 mg/L	-	Resolved	Jun 30, 2020	-
Apr 1, 2020	Jun 30, 2020	MCL	Yes	No	.019 MG/L	0.010 mg/L	-	Resolved	Jun 30, 2020	-
Apr 1, 2020	Jun 30, 2020	MCL	Yes	No	.019 MG/L	0.010 mg/L	-	Resolved	Jun 30, 2020	-
Apr 1, 2020	Jun 30, 2020	MCL	Yes	No	.019 MG/L	0.010 mg/L	-	Resolved	Jun 30, 2020	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.002 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.007 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.002 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.05 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.075 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.075 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.6 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.6 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.1 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.007 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.007 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.006 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	10 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.07 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.006 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.006 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	2 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.07 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.07 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	2 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.075 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.05 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	10 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.07 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.05 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	2 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	10 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.1 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.1 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.6 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	10 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.05 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.002 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.006 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.007 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.1 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.07 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	2 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.07 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.07 mg/L	-	Resolved	Sep 30, 2014	-
Jul 1, 2014	Sep 30, 2014	MR	No	Yes	-	0.1 mg/L	-	Resolved	Sep 30, 2014	-

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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