#34 of 51A
Delaware Water Quality
Delaware ranks #34 out of 51 states for tap water quality with a score of 81.3 out of 100.
Summary
Overall Score
81.3
out of 100
Cities Tested
29
cities
Cities w/ Violations
29
100% of cities
Avg Contaminants
5.7
above guidelines
Population
5.6M
people affected
Best Cities in Delaware
Pop: 254,019Score: 96
Pop: 26,575Score: 96
Pop: 0Score: 94
Pop: 3,634Score: 90
Pop: 11,345Score: 90
Cities Needing Improvement
Pop: 231,114Score: 80
Pop: 331,609Score: 80
Pop: 331,609Score: 80
Pop: 331,609Score: 80
Pop: 331,609Score: 80
Cities listed have the lowest water quality scores in Delaware.
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