DNR investigating unknown sheen on Mosquito Creek 9/11/2020 3:23:00 PM View Count 1973 COUNCIL BLUFFS, Iowa - On September 10, MidAmerican Energy contact DNR Field Office staff to alert them of a sheen noticed on Mosquito Creek.
Sheen on Iowa City creek investigated 8/19/2019 9:23:00 AM View Count 1797 IOWA CITY - An ongoing sheen on Ralston Creek in Iowa City has been traced to a seep in the bed of the creek.
Blue sheen in Sioux County stream traced to coop 1/14/2019 3:36:00 PM View Count 2007 BOYDEN - Monday morning, DNR investigators traced a blue-colored sheen in a creek running through Boyden to the local coop.
Source of sheen on Walnut Creek traced to truck stop 5/17/2018 8:12:00 AM View Count 2877 URBANDALE—DNR has traced the source of a sheen on Walnut Creek to the Pilot Travel Center near Douglas Avenue and Interstate 35/80 in Urbandale.