This story was originally published by The New Lede.
Agricultural operations across Iowa are a leading cause of significant water pollution problems in the state, posing dire risks to public and environmental health, according to a new scientific report that is sparking heated debate in the key US farm state.
The 227-page “Central Iowa Source Water Research Assessment” (CISWRA) was formally released by Polk County, Iowa, officials on July 1 after months of what multiple sources said were intentional actions by public officials to suppress details of the report…