Concerned people have been calling the Iowa Department of Natural Resources about a red color in Little Beaver Creek. The problem area is downstream from Grimes, Iowa. Specialists from the Des Moines DNR office traced the red color to a discharge from the Grimes Wastewater Treatment Plant.
From there, they traced the red color to Ryko Manufacturing in Grimes. Ryko manufactures and repackages soaps and waxes for car washes. The red color turned out to be a dye that washed down a sanitary sewer at the company Tuesday.
The product is not believed to be toxic at low levels. DNR specialists who checked the stream found hundreds of live and apparently healthy fish and frogs in the stream. The DNR will consider appropriate enforcement action with the city and the manufacturing company for violating a water quality standard.
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