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The state of Iowa has a map of every single one ... you should avoid them,” Nate Hoogeveen, director of river programs for the Iowa DNR. The Iowa DNR says these dams are “extremely dangerous.” ...
The Iowa Department of Natural ... Jefferson.According to a press release from DNR, officials do not believe the discolored water reached the North Raccoon River, to which the ditch drains.No ...
The USGS collects water samples from the river once a month. The agency tests samples for several substances including nitrate level. (Jim Slosiarek/The Gazette) The Iowa DNR updates the impaired ...