#9 of 51A
Oregon Water Quality
Oregon ranks #9 out of 51 states for tap water quality with a score of 90.5 out of 100.
Summary
Overall Score
90.5
out of 100
Cities Tested
110
cities
Cities w/ Violations
86
78% of cities
Avg Contaminants
2.1
above guidelines
Population
8.0M
people affected
Best Cities in Oregon
Pop: 3,645Score: 100
Pop: 1,600Score: 100
Pop: 1,490Score: 100
Pop: 3,940Score: 100
Pop: 3,800Score: 100
Cities Needing Improvement
Pop: 680,167Score: 80
Pop: 95,014Score: 85
Pop: 81,628Score: 85
Pop: 6,300Score: 85
Pop: 200,884Score: 85
Cities listed have the lowest water quality scores in Oregon.
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