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 170,328 18,000 4,400,000 500,000 260,000 200,000
1992 218,785 24,000 5,700,000 650,000 340,000 260,000
1997 325,130 36,000 8,400,000 960,000 510,000 390,000