Iowa
Water Hardness Map
City
Des Moines
Cedar Rapids
Davenport
Waterloo
Sioux City
Iowa City
Council Bluffs
Water Hardness (PPM)
157
250
266
297
378
305
156
Des Moines
Cedar Rapids
Davenport
Waterloo
Sioux City
Iowa City
Council Bluffs
157
250
266
297
378
305
156
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