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💧 TapWaterData
#36 of 51A

District of Columbia Water Quality

District of Columbia ranks #36 out of 51 states for tap water quality with a score of 88.2 out of 100.

Based on 2 scored cities covering 5.6% of the state's served population.This is a small sample — treat the rank as indicative of those cities, not of the state.

Summary

Overall Score
88.2
out of 100
Cities Tested
2
cities
Cities w/ Violations
1
50% of cities
Avg Contaminants
3.0
above guidelines
Population
665,214
people affected

Best Cities in District of Columbia

Score: 100
Score: 85

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Frequently Asked Questions About District of Columbia Water Quality

District of Columbia ranks #36 out of 51 states and territories for water quality with a score of 88.2 out of 100 and a grade of A. A total of 2 cities were tested across the state.

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