March 20, 2017
An Iowa federal judge has dismissed a suit brought by the Des Moines Board of Water Works Trustees alleging several upstream water drainage districts polluted the river with nitrates, ruling Friday that the districts had legal immunity and that a constitutional challenge failed.
January 11, 2016
An Iowa federal judge asked the state's highest court Monday to weigh in on whether Iowan drainage districts enjoy legal immunity, in a case where the state's largest water utility is accusing the districts of polluting a river with nitrates.
September 25, 2015
Three county drainage districts told an Iowa federal court Thursday they cannot be sued for damages for allegedly discharging nitrate pollution into the Raccoon River without a permit and contaminating water that then flowed downstream into Des Moines.