How do I find my water utility in Iowa?

Use our ZIP lookup at /zip or browse the utility list below. Iowa has 404 community water systems in our directory.

What does my Iowa utility's Consumer Confidence Report include?

Annual contaminant data, EPA violations, water source description, and health-effects language — required under 40 CFR 141.151. The 2027 CCR Rule adds direct-URL delivery and per-customer contaminant tables.

Who regulates water utilities in Iowa?

The Iowa state drinking-water program regulates community water systems, with EPA backup under the Safe Drinking Water Act.

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Iowa Water Utilities

Comprehensive directory of 404 water utilities serving 2.8 million people across Iowa. View quality reports, EPA violations, and contact information.

404

Utilities

2.8M

People Served

With Violations

0.6M

Largest Utility

All Water Utilities in Iowa

Need Iowa Contact Data?

Get verified contacts for 404 Iowa water utilities. Names, titles, phone numbers, and emails.

Need contact data for Iowa utilities?

Water operators in Iowa

If you run a water utility in Iowa, you're subject to the EPA CCR Rule (40 CFR 141.151) enforced by the state drinking-water program. The 2027 revised rule adds direct-URL delivery requirements effective January 1, 2027, with the first compliant report due July 1, 2027. See our 2027 CCR Rule summary for requirements that apply to your utility.

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Search Water Quality by City

Get detailed water quality reports for your specific city in Iowa. View contaminants, health effects, and filter recommendations.

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Iowa Water Utilities

All Water Utilities in Iowa

Need Iowa Contact Data?

METROPOLITAN UTILITIES DISTRICT

DES MOINES WATER WORKS

IOWA-AMERICAN WTR CO-DAVENPORT

CEDAR RAPIDS WATER DEPARTMENT

SIOUX CITY WATER SUPPLY

WATERLOO WATER WORKS

IOWA CITY WATER DEPARTMENT

WEST DES MOINES WATER WORKS

ANKENY, CITY OF

COUNCIL BLUFFS WATER WORKS

DUBUQUE WATER WORKS

AMES WATER TREATMENT PLANT

URBANDALE WATER UTILITY

MARION MUNICIPAL WATER DEPT

CEDAR FALLS MUNICIPAL WATER UTILITIES

ISU

RATHBUN REGIONAL WATER ASSN (RATHBUN)

UNIVERSITY WATER SYSTEM

BURLINGTON MUNICIPAL WATERWORKS

JOHNSTON MUNICIPAL WATER SUPPLY

WAUKEE WATER SUPPLY

MUSCATINE POWER & WATER

CORALVILLE MUNI WATER SYSTEM

NORTH LIBERTY WATER SUPPLY

ALTOONA WATER SUPPLY

SIRWA #2 (CRESTON)

WARREN WATER DISTRICT

CLIVE WATER DEPARTMENT

INDIANOLA WATER SUPPLY

GRIMES WATER SUPPLY

POWESHIEK WATER ASSOCIATION

NORWALK WATER SUPPLY

BOONE WATER WORKS

OSKALOOSA MUNICIPAL WATER DEPT

STORM LAKE WATER TREATMENT PLANT

SPENCER MUNICIPAL WATER UTILITY

FT MADISON MUNI WATER WORKS

LEMARS WATER DEPARTMENT

PELLA WATER WORKS DEPARTMENT

RATHBUN REG WATER ASSN (FT MADISON)

WAVERLY WATER DEPARTMENT

CARROLL MUNICIPAL WATER SUPPLY

KEOKUK MUNICIPAL WATER WORKS

GRINNELL WATER DEPARTMENT

FAIRFIELD WATER SUPPLY

MOUNT PLEASANT MUNICIPAL UTILITIES

KNOXVILLE WATER WORKS

DENISON WATER SUPPLY

SIOUX CENTER MUNICIPAL WATER DEPARTMENT

MAHASKA RURAL WATER SYSTEM, INC.

PERRY MUNICIPAL WATER WORKS

WEBSTER CITY WATER SUPPLY

CLEAR LAKE WATER DEPARTMENT

BONDURANT MUNI WATER SUPPLY

CRESTON WATER SUPPLY

CHARLES CITY WATER SUPPLY

HIAWATHA WATER DEPT

NEVADA WATER SUPPLY

ELDRIDGE WATER SUPPLY

ORANGE CITY MUNICIPAL WATER DEPARTMENT

IOWA LAKES REGIONAL WATER - OSGOOD

SOUTHEAST POLK RWD

SPIRIT LAKE WATERWORKS

ASBURY MUNICIPAL WATER SYSTEM

MARION CO. RURAL WATER DISTRICT

POLK CITY WATER SUPPLY

SHELDON WATER DEPARTMENT

GLENWOOD MUNICIPAL UTILITIES

SERGEANT BLUFF WATER SUPPLY

XENIA RWD (BOONE)

EVANSDALE WATER WORKS

MOUNT VERNON WATER SUPPLY

TIFFIN WATER SUPPLY

FOREST CITY WATER SUPPLY

HUXLEY WATERWORKS DEPT

CARLISLE WATER SUPPLY

WEST LIBERTY WATER UTILITY