WaterQ

City Water Quality Rankings in Iowa

268 cities ranked by drinking water quality.

All States AL AK AZ AR CA CO CT DE FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RI SC SD TN TX UT VT VA WA WV WI WY

Popular city water quality comparisons

Asbury, IA vs Brooklyn, IA Compare → Coon Rapids, IA vs Dike, IA Compare → Durant, IA vs Eldora, IA Compare → Hartley, IA vs Iowa Falls, IA Compare →

Trending Cities

Fairbanks, AK Fresno, CA San Jose, CA Sacramento, CA San Francisco, CA Houston, TX Fargo, ND
#73
Lake City
County, IA
88 B
#74
Lake Mills
County, IA
88 B
#75
Monroe
County, IA
88 B
#76
Oakland
County, IA
88 B
#77
Tripoli
County, IA
88 B
#78
Ames
County, IA
87 B
#79
Eldridge
County, IA
87 B
#80
Woodward
County, IA
87 B
#81
Bouton
County, IA
86 B
#82
Camanche
County, IA
86 B
#83
Dysart
County, IA
86 B
#84
Fairfax
County, IA
86 B
#85
Forest City
County, IA
86 B
#86
George
County, IA
86 B
#87
Grimes
County, IA
86 B
#88
Indianola
County, IA
86 B
#89
Lake Park
County, IA
86 B
#90
Palo
County, IA
86 B
#91
Pleasantville
County, IA
86 B
#92
Solon
County, IA
86 B
#93
Stuart
County, IA
86 B
#94
Muscatine
County, IA
85 B
#95
Newton
County, IA
85 B
#96
Spencer
County, IA
85 B

Frequently Asked Questions

How are city water quality rankings calculated in Iowa?

WaterQ city rankings are based on EPA SDWIS data across local public water systems, including contaminant detections, compliance violations, and recency-weighted score signals.

Can I compare two cities in Iowa?

Yes. Use the city comparison links on this page or open the Compare tool to evaluate two cities side by side on score, grade, and water system coverage.

How often does WaterQ refresh city data?

City-level metrics refresh when new EPA data is processed. Check city pages for latest score and violation context.

Explore More Water Quality Data

State Rankings National Rankings Compare Cities All Water Systems