SUPERIOR WATER SYSTEM

Iowa — Community Water System — PWSID: IA3073001

System Information

PWSID	IA3073001
System Name	SUPERIOR WATER SYSTEM
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	Mar 4, 1980
Last Reported	Dec 19, 2025

Location & Contact

State	Iowa
City	SUPERIOR
ZIP Code	51363
Address	ATTN TIMOTHY MATTHEWS WATER SUPT
Organization	SUPERIOR WATER SYSTEM
Phone	712-858-4528

Population & Service

Population Served	132
Service Connections	72

Drinking Water Violations (53)

This water system has 53 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, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 17, 2019	Lead and Copper Rule
Jun 1, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 17, 2019	Lead and Copper Rule
Jun 1, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 17, 2019	Lead and Copper Rule
Jun 1, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 17, 2019	Lead and Copper Rule
Jun 1, 2018	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jul 17, 2019	Lead and Copper Rule
Feb 1, 2003	Feb 28, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 2003	Total Coliform Rule
Feb 1, 2003	Feb 28, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 2003	Total Coliform Rule
Feb 1, 2003	Feb 28, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 2003	Total Coliform Rule
Feb 1, 2003	Feb 28, 2003	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Feb 28, 2003	Total Coliform Rule
Aug 1, 1996	Aug 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1996	Total Coliform Rule
Aug 1, 1996	Aug 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1996	Total Coliform Rule
Aug 1, 1996	Aug 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1996	Total Coliform Rule
Aug 1, 1996	Aug 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1996	Total Coliform Rule
Aug 1, 1996	Aug 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1996	Total Coliform Rule
Aug 1, 1996	Aug 31, 1996	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 31, 1996	Total Coliform Rule
Jan 1, 1990	Dec 31, 1993	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1993	Radionuclides and Revised Rad Rule
Jan 1, 1990	Dec 31, 1993	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1993	Radionuclides and Revised Rad Rule
Jan 1, 1990	Dec 31, 1993	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1993	Radionuclides and Revised Rad Rule
Jan 1, 1990	Dec 31, 1993	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1993	Radionuclides and Revised Rad Rule
Jan 1, 1990	Dec 31, 1993	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1993	Radionuclides and Revised Rad Rule
Jan 1, 1990	Dec 31, 1993	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1993	Radionuclides and Revised Rad Rule
Jan 1, 1990	Dec 31, 1993	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1993	Radionuclides and Revised Rad Rule
Jan 1, 1990	Dec 31, 1993	Gross Alpha, Excl. Radon and U	MR	No	Yes	—	15 pCi/L	—	Resolved	Dec 31, 1993	Radionuclides and Revised Rad Rule
Oct 1, 1988	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Apr 5, 1989	Lead and Copper Rule
Apr 1, 1986	Mar 31, 1989	Nitrate	MCL	Yes	No	23.24	10 mg/L	—	Resolved	Mar 31, 1989	Nitrate Rule
Apr 1, 1986	Mar 31, 1989	Nitrate	MCL	Yes	No	23.24	10 mg/L	—	Resolved	Mar 31, 1989	Nitrate Rule
Apr 1, 1986	Mar 31, 1989	Nitrate	MCL	Yes	No	23.24	10 mg/L	—	Resolved	Mar 31, 1989	Nitrate Rule
Apr 1, 1986	Mar 31, 1989	Nitrate	MCL	Yes	No	23.24	10 mg/L	—	Resolved	Mar 31, 1989	Nitrate Rule
Apr 1, 1986	Mar 31, 1989	Nitrate	MCL	Yes	No	23.24	10 mg/L	—	Resolved	Mar 31, 1989	Nitrate Rule
Apr 1, 1986	Mar 31, 1989	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Mar 31, 1989	Inorganic Chemicals
Apr 1, 1986	Mar 31, 1989	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Mar 31, 1989	Inorganic Chemicals
Apr 1, 1986	Mar 31, 1989	Mercury	MR	No	Yes	—	0.002 mg/L	—	Resolved	Mar 31, 1989	Inorganic Chemicals
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	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Mar 31, 1989	Inorganic Chemicals
Apr 1, 1986	Mar 31, 1989	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1989	Arsenic Rule
Apr 1, 1986	Mar 31, 1989	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Mar 31, 1989	Arsenic Rule
Apr 1, 1986	Mar 31, 1989	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Mar 31, 1989	Inorganic Chemicals
Apr 1, 1986	Mar 31, 1989	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Mar 31, 1989	Inorganic Chemicals
—	—		—	No	No	—	—	—	—	—	—
—	—		—	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.

Browse All Water Systems Water Safety Stats Water Safety Home

Browse All Water Systems Water Systems in Iowa