POLLUTION LOCATOR|Animal Waste|U.S. Trends


Trends in Animal Waste Levels
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Year Number of Head Amount of Waste
(tons)
Volume of Waste
(gallons)
Amount of Nitrogen in
Waste (pounds)
Nitrogen lost to
Atmosphere (pounds)
Amount of Phosphorus
in Waste (pounds)
1987 51,776,779 98,000,000 24,000,000,000 1,200,000,000 870,000,000 400,000,000
1992 56,491,425 110,000,000 26,000,000,000 1,300,000,000 940,000,000 440,000,000
1997 57,450,288 110,000,000 27,000,000,000 1,300,000,000 960,000,000 450,000,000