RIDGEWAY, CITY OF

Iowa — Community Water System — PWSID: IA9680085

System Information

PWSID	IA9680085
System Name	RIDGEWAY, CITY OF
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	RIDGEWAY
ZIP Code	52165
Address	ATTN DAN PITZ WATER SUPERINTENDENT
Organization	RIDGEWAY, CITY OF
Phone	563-737-2457

Population & Service

Population Served	275
Service Connections	135

Drinking Water Violations (90)

This water system has 90 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, 2001	Jun 30, 2002	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2002	Nitrate Rule
Jul 1, 2001	Jun 30, 2002	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2002	Nitrate Rule
Jul 1, 2001	Jun 30, 2002	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2002	Nitrate Rule
Jul 1, 2001	Jun 30, 2002	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Jun 30, 2002	Nitrate Rule
Jul 1, 1992	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 8, 1992	Lead and Copper Rule
Jul 1, 1992	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 8, 1992	Lead and Copper Rule
Jul 1, 1992	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 8, 1992	Lead and Copper Rule
Jul 1, 1992	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 8, 1992	Lead and Copper Rule
Jul 1, 1992	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 8, 1992	Lead and Copper Rule
Jul 1, 1992	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 8, 1992	Lead and Copper Rule
Jul 1, 1992	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 8, 1992	Lead and Copper Rule
Jul 1, 1992	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Dec 8, 1992	Lead and Copper Rule
Oct 1, 1989	Sep 30, 1992	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Selenium	MR	No	Yes	—	0.05 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Arsenic	MR	No	Yes	—	0.010 mg/L	—	Resolved	Sep 30, 1992	Arsenic Rule
Oct 1, 1989	Sep 30, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Sep 30, 1992	Nitrate Rule
Oct 1, 1989	Sep 30, 1992	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Fluoride	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Sep 30, 1992	Nitrate Rule
Oct 1, 1989	Sep 30, 1992	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Sep 30, 1992	Nitrate Rule
Oct 1, 1989	Sep 30, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Sep 30, 1992	Nitrate Rule
Oct 1, 1989	Sep 30, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Sep 30, 1992	Nitrate Rule
Oct 1, 1989	Sep 30, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Sep 30, 1992	Nitrate Rule
Oct 1, 1989	Sep 30, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Sep 30, 1992	Nitrate Rule
Oct 1, 1989	Sep 30, 1992	Nitrate	MR	No	Yes	—	10 mg/L	—	Resolved	Sep 30, 1992	Nitrate Rule
Oct 1, 1989	Sep 30, 1992	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Chromium	MR	No	Yes	—	0.1 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Cadmium	MR	No	Yes	—	0.005 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Sep 30, 1992	Inorganic Chemicals
Oct 1, 1989	Sep 30, 1992	Barium	MR	No	Yes	—	2 mg/L	—	Resolved	Sep 30, 1992	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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