Cold Spring, MN vs St. Paul, MN
Which City Has Better Water Quality?
Cold Spring, MN and St. Paul, MN currently share an identical average WaterQ score, each scoring 94 out of 100. Both cities currently carry an A 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.
St. Paul, MN is the larger of the two, with 397,228 more residents than Cold Spring, yet both cities are served by the same number of public water systems (2). 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 Cold Spring or St. Paul, 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 Cold Spring or St. Paul 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 | Cold Spring | St. Paul |
|---|---|---|
| Water Quality Score | 94 | 94 |
| Grade | A | A |
| Water Systems | 2 | 2 |
| Population | 5,501 | 402,729 |
| County | ||
| State | MN | MN |
Analysis
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Frequently asked questions
Which city has better tap water quality: Cold Spring or St. Paul?
Cold Spring and St. Paul currently have similar overall WaterQ scores. Review each city page for recent test and violation details.
How are Cold Spring and St. Paul 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 Cold Spring and St. Paul?
Use the city detail pages to see water systems, score breakdowns, and trend context for Cold Spring, MN and St. Paul, MN.