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WATER QUALITY


The EPA maintains data on the attainment of water quality for the nation's watersheds - the area drained by water bodies such as rivers, streams, lakes, estuaries and coastal waters.

The % Good column in the table below is the percentage of the retirement city's watershed that "Fully Supports" its designated use as public water supply, agricultural, recreational, industrial or other use.

Vail, Colorado ranks highest in this criteria among our 99 great retirement cities because 93% of its watershed fully supports the designated use.



Water Quality
2002 - 2014
           
    % % % GPTR
City/Town Watershed(s) Good Threatened Impaired Rank
Vail, CO Eagle 93% 0% 7% 1
San Marcos, TX San Marcos 89% 0% 11% 2
Bigfork, MT South Fork Flathead and Swan 75% 14% 11% 3
Georgetown, TX San Gabriel 88% 0% 12% 4
Gatlinburg, TN Lower French Broad 87% 0% 13% 5
Aspen, CO Roaring Fork 84% 0% 16% 6
Provo, UT Provo 75% 0% 26% 7
Hot Springs Village, AR Upper Saline and Fourche La Fave 72% 1% 27% 8
Portland, ME Presumpscot 71% 0% 29% 9
The Woodlands, TX Spring and West Fork San Jacinto 71% 0% 29% 9
Tyler, TX Upper Neches 71% 0% 29% 9
Prescott, AZ Big Chino-Williamson Valley, Upper Verde and Hassayampa 68% 0% 32% 12
Colorado Springs, CO Fountain 67% 0% 33% 13
Clarksville, TN Lower Cumberland 66% 0% 34% 14
Palm Springs, CA Southern Mojave and Salton Sea 47% 20% 34% 15
GPTR Rank - Lower "% Impaired" is better
% Good = Percent of the watershed that Fully Supports all of its designated uses
% Threatened = Percent of the watershed that currently Fully Supports all of its designates uses
                             but may become impaired in the future if pollution control actions are not taken
% Impaired = Percent of the watershed that cannot Fully Support one or more of its designated
                        uses

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