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The top 10 cities with the worst water quality in the United States.

Los Angeles, CA
5
/10
Quality Score
49
Contaminants
Chicago, IL
8
/10
Quality Score
20
Contaminants
Houston, TX
1
/10
Quality Score
105
Contaminants
San Diego, CA
7
/10
Quality Score
33
Contaminants
Austin, TX
4
/10
Quality Score
63
Contaminants
Fort Worth, TX
2
/10
Quality Score
83
Contaminants
Fresno, CA
5
/10
Quality Score
52
Contaminants
Colorado Springs, CO
5
/10
Quality Score
53
Contaminants
Raleigh, NC
7
/10
Quality Score
29
Contaminants
Minneapolis, MN
8
/10
Quality Score
19
Contaminants