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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%