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Worst Water Quality (% Watershed Impaired)
Sarasota
100%
Concord
100%
Charlotte
100%
Casper
100%
Rochester
100%
Naples
99%
Boise
95%
Monterey
93%
Pocatello
93%
Bishop
91%
Coeur d'Alene
91%
Valdosta
90%
Chapel Hill
90%
Williamsburg
90%
Winter Haven
89%