COLBY POND

New Hampshire — Community Water System — PWSID: NH0582010

System Information

PWSID	NH0582010
System Name	COLBY POND
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	Jan 17, 1996
Last Reported	Dec 15, 2025

Location & Contact

State	New Hampshire
City	ATKINSON
ZIP Code	03811
Address	54 SAWYER AVE
Organization	HAMPSTEAD AREA WATER CO
Phone	—

Population & Service

Population Served	485
Service Connections	194

Drinking Water Violations (181)

This water system has 181 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
Jan 1, 2016	Dec 31, 2016	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2016	Nitrate Rule
Jan 1, 2016	Dec 31, 2016	Combined Radium (-226 and -228)	MR	No	Yes	—	5 pCi/L	—	Resolved	Dec 31, 2016	Radionuclides and Revised Rad Rule
Jan 1, 2016	Dec 31, 2016	Combined Radium (-226 and -228)	MR	No	Yes	—	5 pCi/L	—	Resolved	Dec 31, 2016	Radionuclides and Revised Rad Rule
Jan 1, 2016	Dec 31, 2016	Combined Radium (-226 and -228)	MR	No	Yes	—	5 pCi/L	—	Resolved	Dec 31, 2016	Radionuclides and Revised Rad Rule
Jan 1, 2016	Dec 31, 2016	Combined Radium (-226 and -228)	MR	No	Yes	—	5 pCi/L	—	Resolved	Dec 31, 2016	Radionuclides and Revised Rad Rule
Jan 1, 2016	Dec 31, 2016	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 2016	Radionuclides and Revised Rad Rule
Jan 1, 2016	Dec 31, 2016	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 2016	Radionuclides and Revised Rad Rule
Jan 1, 2016	Dec 31, 2016	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 2016	Radionuclides and Revised Rad Rule
Jan 1, 2016	Dec 31, 2016	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 2016	Radionuclides and Revised Rad Rule
Jan 1, 2016	Dec 31, 2016	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2016	Nitrate Rule
Jan 1, 2014	Dec 31, 2016	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Antimony, Total	MR	No	Yes	—	0.006 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Beryllium, Total	MR	No	Yes	—	0.004 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Thallium, Total	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2016	Arsenic Rule
Jan 1, 2014	Dec 31, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2016	Arsenic Rule
Jan 1, 2014	Dec 31, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2016	Arsenic Rule
Jan 1, 2014	Dec 31, 2016	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	CYANIDE	MR	No	Yes	—	0.2 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Dec 31, 2016	Arsenic Rule
Jan 1, 2014	Dec 31, 2016	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2016	Inorganic Chemicals
Jan 1, 2014	Dec 31, 2016	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Dec 31, 2016	Inorganic 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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