EARLHAM MUNICIPAL WATERWORKS

Iowa — Community Water System — PWSID: IA6115097

System Information

PWSID	IA6115097
System Name	EARLHAM MUNICIPAL WATERWORKS
System Type	Community Water System
Water Source	Surface Water Purchased
Activity Status	Active
Owner Type	Local
EPA Region	07
Serves School	No
Wholesaler	No
First Reported	Feb 27, 1979
Last Reported	Dec 19, 2025

Location & Contact

State	Iowa
City	EARLHAM
ZIP Code	50072
Address	ATTN GARY COFFMAN
Organization	EARLHAM MUNICIPAL WATERWORKS
Phone	515-250-9558

Population & Service

Population Served	1,446
Service Connections	520

Drinking Water Violations (134)

This water system has 134 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
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 23, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 23, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 23, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 23, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 23, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 23, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 23, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 23, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 23, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 23, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 23, 1991	Lead and Copper Rule
Jan 1, 1989	Dec 31, 1992	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1992	Radionuclides and Revised Rad Rule
Jan 1, 1989	Dec 31, 1992	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1992	Radionuclides and Revised Rad Rule
Jan 1, 1989	Dec 31, 1992	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1992	Radionuclides and Revised Rad Rule
Jan 1, 1989	Dec 31, 1992	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1992	Radionuclides and Revised Rad Rule
Jan 1, 1989	Dec 31, 1992	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1992	Radionuclides and Revised Rad Rule
Jan 1, 1989	Dec 31, 1992	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1992	Radionuclides and Revised Rad Rule
Jan 1, 1989	Dec 31, 1992	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1992	Radionuclides and Revised Rad Rule
Jan 1, 1989	Dec 31, 1992	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1992	Radionuclides and Revised Rad Rule
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1991	Arsenic Rule
Apr 1, 1988	Mar 31, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1991	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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