Invasive Species Invasive Species News Release Aggressive treatment planned for Eurasian watermilfoil found in Clear Lake The Iowa Department of Natural Resources (DNR) treated Clear Lake last week with the approved aquatic herbicide, Sonar A.S. to eliminate Eurasian watermilfoil. Display Date November 12, 2025 Image Invasive Species Boating Fishing News - Featured News Release Check docks and equipment for invasive species before storing for the winter The Iowa DNR reminds lake property owners to check their boat and trailers, and docks and lifts, for aquatic invasive species before winter storage. Display Date October 7, 2025 Image RSS Feed
Invasive Species News Release Aggressive treatment planned for Eurasian watermilfoil found in Clear Lake The Iowa Department of Natural Resources (DNR) treated Clear Lake last week with the approved aquatic herbicide, Sonar A.S. to eliminate Eurasian watermilfoil. Display Date November 12, 2025 Image
Invasive Species Boating Fishing News - Featured News Release Check docks and equipment for invasive species before storing for the winter The Iowa DNR reminds lake property owners to check their boat and trailers, and docks and lifts, for aquatic invasive species before winter storage. Display Date October 7, 2025 Image
