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Iowa rivers show nutrient declines but need ongoing effort
Iowa scientists and officials report downward nitrate trends in rivers like the Des Moines and South Skunk, but many waters still show flat or rising levels. Experts caution lags in the system and urge continued conservation, fertilizer efficiency, and no till, with focus on the Raccoon and Upper Iowa river gains guiding future work.
MENTIONED IN THIS ARTICLE
Susan Heathcote
Iowa Environmental Council
Mary Skopec
Iowa Geological and Water Survey
Skopec
Des Moines
Ames
Cedar River
Cedar Rapids
Mississippi River
U.S. Geological Survey
USGS
Wapello
Iowa River
Northeast
Iowa
New Albia
Iowa Farm Bureau
Des Moines Water Works
Iowa Soybean Association
Raccoon River
Roger Wolf
Wolf
Rick Robinson
Iowa Farm Bureau Federation
Robinson
Heathcote
Gulf of Mexico
Upper Iowa
Iowa Agriculture
Bill Northey
Northey
Agriculture and Environmental
Iowa State University
Jim Gillespie
Department of Agriculture and Land Stewardship
Gillespie