WaterQ

Donalds, SC vs Charleston, SC

Which City Has Better Water Quality?

Donalds, SC and Charleston, SC currently share an identical average WaterQ score, each scoring 98 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.

Charleston, SC is the larger of the two, with 322,222 more residents than Donalds, 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 Donalds or Charleston, 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 Donalds or Charleston 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 Donalds Charleston
Water Quality Score 98 98
Grade A A
Water Systems 1 1
Population 5,200 327,422
County
State SC SC

Analysis

Similar Scores
Marginal difference
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Population Difference
Charleston has 0.3M more people
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More Water Systems
Charleston has 0 more system(s)
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Frequently asked questions

Which city has better tap water quality: Donalds or Charleston?

Donalds and Charleston currently have similar overall WaterQ scores. Review each city page for recent test and violation details.

How are Donalds and Charleston 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 Donalds and Charleston?

Use the city detail pages to see water systems, score breakdowns, and trend context for Donalds, SC and Charleston, SC.