OLIN WATER SUPPLY

Iowa — Community Water System — PWSID: IA5355094

System Information

PWSID	IA5355094
System Name	OLIN WATER SUPPLY
System Type	Community Water System
Water Source	Ground Water
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	WYOMING
ZIP Code	52362
Address	ATTN RODNEY GRAVEL OPERATOR
Organization	OLIN WATER SUPPLY
Phone	319-480-7078

Population & Service

Population Served	651
Service Connections	320

Drinking Water Violations (51)

This water system has 51 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
Jul 1, 2006	Jun 30, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2007	Nitrate Rule
Jul 1, 2006	Jun 30, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2007	Nitrate Rule
Jul 1, 2006	Jun 30, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2007	Nitrate Rule
Jul 1, 2006	Jun 30, 2007	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2007	Nitrate Rule
Jun 1, 2006	Jun 30, 2006	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2006	Total Coliform Rule
Jun 1, 2006	Jun 30, 2006	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2006	Total Coliform Rule
Jun 1, 2006	Jun 30, 2006	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jun 30, 2006	Total Coliform Rule
Aug 1, 2002	Aug 31, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2002	Total Coliform Rule
Aug 1, 2002	Aug 31, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2002	Total Coliform Rule
Aug 1, 2002	Aug 31, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Aug 31, 2002	Total Coliform Rule
Jan 1, 2002	Jan 31, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2002	Total Coliform Rule
Jan 1, 2002	Jan 31, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2002	Total Coliform Rule
Jan 1, 2002	Jan 31, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Jan 31, 2002	Total Coliform Rule
Oct 1, 2001	Sep 30, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2002	Arsenic Rule
Oct 1, 2001	Sep 30, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2002	Arsenic Rule
Oct 1, 2001	Sep 30, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2002	Arsenic Rule
Oct 1, 2001	Sep 30, 2002	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 2002	Arsenic Rule
Oct 1, 2000	Dec 31, 2000	Xylenes, Total	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2000	Volatile Organic Chemicals
Oct 1, 2000	Dec 31, 2000	Xylenes, Total	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2000	Volatile Organic Chemicals
Oct 1, 2000	Dec 31, 2000	Xylenes, Total	MR	No	Yes	—	10 mg/L	—	Resolved	Dec 31, 2000	Volatile Organic Chemicals
Oct 1, 2000	Dec 31, 2000	Toluene	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2000	Volatile Organic Chemicals
Oct 1, 2000	Dec 31, 2000	Toluene	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2000	Volatile Organic Chemicals
Oct 1, 2000	Dec 31, 2000	Toluene	MR	No	Yes	—	1 mg/L	—	Resolved	Dec 31, 2000	Volatile Organic Chemicals
Apr 1, 2000	Mar 31, 2001	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 2001	Nitrate Rule
Apr 1, 2000	Mar 31, 2001	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 2001	Nitrate Rule
Apr 1, 2000	Mar 31, 2001	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 2001	Nitrate Rule
Jul 1, 1992	Jul 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1992	Total Coliform Rule
Jul 1, 1992	Jul 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1992	Total Coliform Rule
Jul 1, 1992	Jul 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1992	Total Coliform Rule
Jul 1, 1992	Jul 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1992	Total Coliform Rule
Jul 1, 1992	Jul 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1992	Total Coliform Rule
Jul 1, 1992	Jul 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1992	Total Coliform Rule
Jul 1, 1992	Jul 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1992	Total Coliform Rule
Jul 1, 1992	Jul 31, 1992	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Jul 31, 1992	Total Coliform Rule
Apr 1, 1986	Mar 31, 1989	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 1989	Nitrate Rule
Apr 1, 1986	Mar 31, 1989	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 1989	Nitrate Rule
Apr 1, 1986	Mar 31, 1989	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 1989	Nitrate Rule
Apr 1, 1986	Mar 31, 1989	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 1989	Nitrate Rule
Apr 1, 1986	Mar 31, 1989	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Mar 31, 1989	Nitrate Rule
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—
—	—		—	No	No	—	—	—	—	—	—

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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