WaterQ

City Water Quality Rankings in Iowa

270 cities ranked by drinking water quality.

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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

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#73
Cedar Rapids
County, IA
88 B
#74
Fairfax
County, IA
88 B
#75
Jefferson
County, IA
88 B
#76
Lake City
County, IA
88 B
#77
Lake Mills
County, IA
88 B
#78
Monroe
County, IA
88 B
#79
Oakland
County, IA
88 B
#80
Remsen
County, IA
88 B
#81
Tripoli
County, IA
88 B
#82
Woodbine
County, IA
88 B
#83
Ames
County, IA
87 B
#84
Belle Plaine
County, IA
86 B
#85
Bouton
County, IA
86 B
#86
Camanche
County, IA
86 B
#87
Forest City
County, IA
86 B
#88
George
County, IA
86 B
#89
Grimes
County, IA
86 B
#90
Indianola
County, IA
86 B
#91
Lake Park
County, IA
86 B
#92
Pleasantville
County, IA
86 B
#93
Solon
County, IA
86 B
#94
Stuart
County, IA
86 B
#95
Eldridge
County, IA
85 B
#96
Newton
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.

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