COLUMBUS CITY PUBLIC WATER SUPPLY

Iowa — Community Water System — PWSID: IA5809063

System Information

PWSID	IA5809063
System Name	COLUMBUS CITY PUBLIC 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	OLDS
ZIP Code	52647
Address	ATTN TIM WILSON OPERATOR
Organization	COLUMBUS CITY PUBLIC WATER SUPPLY
Phone	319-931-0004

Population & Service

Population Served	392
Service Connections	161

Drinking Water Violations (47)

This water system has 47 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
Jun 1, 2025	Jun 30, 2025	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2025	Revised Total Coliform Rule
Jun 1, 2025	Jun 30, 2025	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2025	Revised Total Coliform Rule
Jun 1, 2025	Jun 30, 2025	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2025	Revised Total Coliform Rule
Jun 1, 2025	Jun 30, 2025	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Jun 30, 2025	Revised Total Coliform Rule
Feb 1, 2022	Feb 28, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 28, 2022	Revised Total Coliform Rule
Feb 1, 2022	Feb 28, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 28, 2022	Revised Total Coliform Rule
Feb 1, 2022	Feb 28, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 28, 2022	Revised Total Coliform Rule
Feb 1, 2022	Feb 28, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 28, 2022	Revised Total Coliform Rule
Feb 1, 2022	Feb 28, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 28, 2022	Revised Total Coliform Rule
Feb 1, 2022	Feb 28, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 28, 2022	Revised Total Coliform Rule
Feb 1, 2022	Feb 28, 2022	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Resolved	Feb 28, 2022	Revised Total Coliform Rule
Sep 1, 2018	Sep 30, 2018	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Archived	Sep 30, 2018	Revised Total Coliform Rule
Sep 1, 2018	Sep 30, 2018	Revised Total Coliform Rule	MON	No	Yes	—	—	—	Archived	Sep 30, 2018	Revised Total Coliform Rule
Jul 1, 2017	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Aug 28, 2011	Consumer Confidence Rule
Jul 1, 2017	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Aug 28, 2011	Consumer Confidence Rule
Apr 1, 2003	Apr 30, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2003	Total Coliform Rule
Apr 1, 2003	Apr 30, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2003	Total Coliform Rule
Apr 1, 2003	Apr 30, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Apr 30, 2003	Total Coliform Rule
Nov 1, 1993	Nov 30, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1993	Total Coliform Rule
Nov 1, 1993	Nov 30, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1993	Total Coliform Rule
Nov 1, 1993	Nov 30, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1993	Total Coliform Rule
Nov 1, 1993	Nov 30, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1993	Total Coliform Rule
Nov 1, 1993	Nov 30, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1993	Total Coliform Rule
Nov 1, 1993	Nov 30, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1993	Total Coliform Rule
Nov 1, 1993	Nov 30, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1993	Total Coliform Rule
Nov 1, 1993	Nov 30, 1993	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1993	Total Coliform Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Apr 15, 1991	Lead and Copper Rule
Oct 1, 1990	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Apr 15, 1991	Lead and Copper Rule
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	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	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	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Chromium	MR	No	Yes	—	0.1 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	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Cadmium	MR	No	Yes	—	0.005 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	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
Apr 1, 1988	Mar 31, 1991	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 1991	Inorganic Chemicals
—	—		—	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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