A report says nitrate pollutants in Iowa water reached a 21-year low, but drought was a factor. Environmentalists see little water quality progress.
Des Moines Register, Des Moines Register: Business
Tue, 05/30/2023 - 4:02am
A report says nitrate pollutants in Iowa water reached a 21-year low, but drought was a factor. Environmentalists see little water quality progress.