100
Excellent
City-wide average score
Trend snapshot
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Local water systems
Harrison water FAQ
How is Harrison's water quality scored?
PurityRadar computes a 0–100 score from public EPA records for the systems serving Harrison. Harrison's city-wide average is 100.
Where does the data come from?
EPA SDWIS violation records and Consumer Confidence Reports, plus USGS groundwater models for private wells. Every figure links back to its public source.
Is this a substitute for testing my tap?
No — system-level data can't account for your home's plumbing. For decisions about your health, test your own tap and confirm with your utility.