Project ID

1992-29

Abstract

Nonpoint source pollution has been increasingly recognized as a major cause of reduction in water quality. Nationally, agricultural runoff accounts for approximately 46% of sediment, 47% of total phosphorus, and 52% of total nitrogen discharged into waterways; in Iowa, these percentages are much higher. Sediment is the greatest overall polluter nationwide, affecting nearly all components of aquatic ecosystems.

Principal Investigator(s)

Kurt W. Pontasch

Year of Grant Completion

1994

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