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

Los Angeles, CA
1
/10
Quality Score
107
Contaminants
Chicago, IL
5
/10
Quality Score
54
Contaminants
Houston, TX
1
/10
Quality Score
107
Contaminants
San Diego, CA
3
/10
Quality Score
67
Contaminants
Austin, TX
4
/10
Quality Score
61
Contaminants
Fort Worth, TX
4
/10
Quality Score
63
Contaminants
Fresno, CA
2
/10
Quality Score
78
Contaminants
Colorado Springs, CO
4
/10
Quality Score
62
Contaminants
Raleigh, NC
2
/10
Quality Score
76
Contaminants
Minneapolis, MN
5
/10
Quality Score
54
Contaminants