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National Water-Quality Assessment Program--Upper Tennessee River Basin Study Unit

Phosphorus in Streams of the Upper Tennessee River Basin, 1970-93


Table 1. Average annual phosphorus loads and yields for stations in the upper Tennessee River Basin, 1973-93 

Map Station Drainage Load, in Yield, in no. name area, in pounds pounds per (fig. 6) square per acre per miles day year

1 Tennessee River at Chattanooga, Tenn. 21,390 13,500 0.36 2 Ocoee River at Parksville, Tenn. 595 103 0.10 3 Tennessee River at Watts Bar Dam, Tenn. 17,310 4,580 0.15 4 Little Tennessee River at Chilhowee Dam, Tenn. 1,987 345 0.10 5 Tuckasegee River at Bryson City, N.C. 665 602 0.52 6 Emory River at Oakdale, Tenn. 764 237 0.18 7 French Broad River near Knoxville, Tenn. 5,101 3,430 0.38 8 French Broad River at Newport, Tenn. 1,858 2,770 0.85 9 French Broad River at Marshall, N.C. 1,332 2,770 1.19 10 Pigeon River at Newport, Tenn. 666 1,030 0.88 11 Cataloochee Creek at Cataloochee, N.C. 49.2 14.1 0.16 12 Holston River at Knoxville, Tenn. 3,747 1,080 0.16 13 Holston River at Surgoinsville, Tenn. 2,874 2,010 0.40 14 North Fork Holston River at Gate City, Va. 672 368 0.31 15 South Fork Holston River at Damascus, Va. 301 87.7 0.17 16 Clinch River at Melton Hill Dam, Tenn. 3,343 607 0.10 17 Clinch River at Norris Dam, Tenn. 2,913 364 0.07 18 Clinch River at Tazewell, Tenn. 1,474 664 0.26 19 Powell River near Arthur, Tenn. 685 331 0.28 20 Powell River at Jonesville, Va. 319 202 0.36


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