Lake Mills, IA vs Cedar Rapids, IA
Which City Has Better Water Quality?
Lake Mills, IA and Cedar Rapids, IA currently share an identical average WaterQ score, each scoring 88 out of 100. Both cities currently carry a B grade overall. Because a WaterQ score is an aggregate across all public water systems serving a city, near-identical scores can still mask differences at the system level, so residents of either city should review their specific water system's record for the most relevant detail.
Cedar Rapids, IA is the larger of the two, with 139,673 more residents than Lake Mills, yet both cities are served by the same number of public water systems (1). This means the difference in population is handled by systems of different scale rather than a different count of utilities — larger systems generally serve more connections and may have more monitoring requirements under the Safe Drinking Water Act.
For residents of either Lake Mills or Cedar Rapids, the most useful next step is to look up the specific water system that serves your address, since city-wide averages combine results from every system in the area. Visit the Lake Mills or Cedar Rapids city pages below for a breakdown of local systems, recent violations, and contaminant-specific data, or browse WaterQ's contaminants directory to learn what each measured substance means for health.
Detailed Comparison
| Metric | Lake Mills | Cedar Rapids |
|---|---|---|
| Water Quality Score | 88 | 88 |
| Grade | B | B |
| Water Systems | 1 | 1 |
| Population | 2,158 | 141,831 |
| County | ||
| State | IA | IA |
Analysis
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Frequently asked questions
Which city has better tap water quality: Lake Mills or Cedar Rapids?
Lake Mills and Cedar Rapids currently have similar overall WaterQ scores. Review each city page for recent test and violation details.
How are Lake Mills and Cedar Rapids water scores calculated?
WaterQ scores are based on EPA-reported drinking water data, including contaminant detections, violations, and compliance records across local systems.
Where can I view full reports for Lake Mills and Cedar Rapids?
Use the city detail pages to see water systems, score breakdowns, and trend context for Lake Mills, IA and Cedar Rapids, IA.