SHIAWASSEE COUNTY, Mich. (WNEM) – Water in the Shiawassee River may appear red or green during treatment to control an invasive species.
The U.S. Fish and Wildlife Service will be using lampricides to prevent sea lamprey larvae. Larvae become parasites that threaten Great Lakes fish.
The Shiawassee County Health Department said treatment will continue until May 28. On-site testing that uses non-harmful dyes could change the color of the water…