POLLUTION LOCATOR|Animal Waste|County Trends in IOWA


Trends in Animal Waste Levels
View Trends for

In

   

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 500,211 750,000 180,000,000 9,400,000 6,400,000 3,000,000
1992 600,908 860,000 210,000,000 11,000,000 7,400,000 3,500,000
1997 790,200 1,000,000 250,000,000 13,000,000 8,900,000 4,300,000