Dubuque vs Cedar Rapids Water Quality

If you are comparing Dubuque and Cedar Rapids water quality - whether moving, choosing between the two, or curious about a relative's water - here is what the data shows.

Hardness comparison

Dubuque has somewhat harder water at 295 PPM versus Cedar Rapids at 284 PPM, a difference of 11 PPM. At 295 PPM, Dubuque residents should budget for a water softener ($600-$1,500 installed). Without one, expect scale buildup on fixtures, reduced water heater efficiency, and $800-$1,200/year in hidden costs. Cedar Rapids also has hard water but to a lesser degree.

Both cities have hard water, but Dubuque's higher hardness means more aggressive scale buildup and higher household impact.

Water sources and why they differ

Water sources differ: Dubuque draws from Mississippi River & wells, while Cedar Rapids uses Cedar River. Both use similar source types, but local geology creates the hardness variation.

Contaminant concerns

PFAS contamination is a concern in Dubuque (15.6 ppt, above the EPA limit of 4 ppt). A reverse osmosis system or NSF P473-certified filter is recommended for drinking water.

What this means for you

If you are moving from Cedar Rapids to Dubuque, you will notice the water difference. Budget for a water softener and expect to use more soap and detergent until you install one.

Not sure what your specific situation needs? Take the quiz to get a recommendation based on your water data, budget, and household size.