Water Quality in Iowa
Water hardness and contaminant data for 7 cities across Iowa. Find your city below to see a detailed water quality profile.
7
Cities
235
Avg Hardness (PPM)
296
Hardest City (PPM)
Iowa Cities by Water Hardness
| City | Hardness (PPM) | Level | PFAS (ppt) | Source |
|---|---|---|---|---|
| Council Bluffs | 296 | Extremely Hard | 6 | Missouri River alluvial wells |
| Cedar Rapids | 284 | Extremely Hard | 5 | Cedar River |
| Waterloo | 254 | Extremely Hard | 4 | Cedar River, wells |
| Davenport | 236 | Very Hard | 5 | Mississippi River |
| Des Moines | 200 | Very Hard | 4 | Des Moines + Raccoon Rivers |
| Iowa City | 190 | Very Hard | 3 | Iowa River wells |
| Ames | 183 | Very Hard | 4 | Skunk River wells, Ada Hayden Park |