JANESVILLE WATER SUPPLY

Iowa — Community Water System — PWSID: IA0932001

System Information

PWSID	IA0932001
System Name	JANESVILLE WATER SUPPLY
System Type	Community Water System
Water Source	Ground 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	JANESVILLE
ZIP Code	50647-0146
Address	ATTN MIKE TELLINGHUISEN
Organization	JANESVILLE WATER SUPPLY
Phone	319-987-2990

Population & Service

Population Served	1,034
Service Connections	483

Drinking Water Violations (59)

This water system has 59 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
Nov 1, 2010	Nov 30, 2010	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Nov 30, 2010	Nitrate Rule
Nov 1, 2010	Nov 30, 2010	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Nov 30, 2010	Nitrate Rule
Nov 1, 2010	Nov 30, 2010	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Nov 30, 2010	Nitrate Rule
Nov 1, 2010	Nov 30, 2010	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Nov 30, 2010	Nitrate Rule
Nov 1, 2010	Nov 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2010	Total Coliform Rule
Nov 1, 2010	Nov 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2010	Total Coliform Rule
Nov 1, 2010	Nov 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2010	Total Coliform Rule
Nov 1, 2010	Nov 30, 2010	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2010	Total Coliform Rule
Apr 1, 2002	Mar 31, 2003	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2003	Arsenic Rule
Apr 1, 2002	Mar 31, 2003	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2003	Arsenic Rule
Apr 1, 2002	Mar 31, 2003	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 2003	Arsenic Rule
Jul 1, 2000	Jun 30, 2003	Combined Radium (-226 and -228)	MR	No	Yes	—	5 pCi/L	—	Resolved	Jun 30, 2003	Radionuclides and Revised Rad Rule
Jul 1, 2000	Jun 30, 2003	Combined Radium (-226 and -228)	MR	No	Yes	—	5 pCi/L	—	Resolved	Jun 30, 2003	Radionuclides and Revised Rad Rule
Jul 1, 2000	Jun 30, 2003	Combined Radium (-226 and -228)	MR	No	Yes	—	5 pCi/L	—	Resolved	Jun 30, 2003	Radionuclides and Revised Rad Rule
Oct 1, 1996	Oct 31, 1996	Nitrate	MCL	Yes	No	10.1	10 mg/L	—	Resolved	Oct 31, 1996	Nitrate Rule
Oct 1, 1996	Oct 31, 1996	Nitrate	MCL	Yes	No	10.1	10 mg/L	—	Resolved	Oct 31, 1996	Nitrate Rule
Oct 1, 1996	Oct 31, 1996	Nitrate	MCL	Yes	No	10.1	10 mg/L	—	Resolved	Oct 31, 1996	Nitrate Rule
Jul 1, 1994	Jun 30, 2003	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Jun 30, 2003	Radionuclides and Revised Rad Rule
Jul 1, 1994	Jun 30, 2003	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Jun 30, 2003	Radionuclides and Revised Rad Rule
Jul 1, 1994	Jun 30, 2003	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Jun 30, 2003	Radionuclides and Revised Rad Rule
Oct 1, 1992	Dec 31, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1992	Nitrate Rule
Oct 1, 1992	Dec 31, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1992	Nitrate Rule
Oct 1, 1992	Dec 31, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1992	Nitrate Rule
Oct 1, 1992	Dec 31, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1992	Nitrate Rule
Oct 1, 1992	Dec 31, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1992	Nitrate Rule
Oct 1, 1992	Dec 31, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1992	Nitrate Rule
Oct 1, 1992	Dec 31, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1992	Nitrate Rule
Oct 1, 1992	Dec 31, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 1992	Nitrate Rule
Jan 30, 1985	Apr 29, 1985	Nitrate	MCL	Yes	No	10.5	10 mg/L	10	Archived	Apr 29, 1985	Nitrate Rule
Oct 1, 1983	Sep 30, 1984	Nitrate	MCL	Yes	No	13.56	10 mg/L	10	Archived	Sep 30, 1984	Nitrate Rule
Oct 1, 1981	Sep 30, 1982	Nitrate	MCL	Yes	No	11	10 mg/L	10	Archived	Sep 30, 1982	Nitrate Rule
Jul 25, 1979	Oct 24, 1980	Nitrate	MCL	Yes	No	11.77	10 mg/L	10	Archived	Oct 24, 1980	Nitrate Rule
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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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