More zebra mussels discovered in Iowa Great Lakes - KTIV News 4 Sioux City IA: News, Weather and Sports

More zebra mussels discovered in Iowa Great Lakes


There's more evidence that zebra mussels have found their way into East Lake Okoboji.

The Iowa Department of Natural Resources says a sample taken this month revealed four zebra mussel larva. The sample follows the discovery of four juvenile zebra mussels in East Lake Okoboji and Upper Gar Lake, last fall. So far, investigators haven't found any adult mussels.

Young zebra mussels are microscopic, and boaters can unintentionally transport them with water in bilges, live wells or bait buckets.

Zebra mussels can interfere with aquatic food chains, kill native mussels and clog water intakes. And, there's no getting rid of zebra mussels once they're in a lake or river.

So, state officials advise boaters to clean any plants, animals or mud from boat and equipment before leaving a body of water, drain water from all equipment, and dry anything that comes into contact with water including boats, trailers, equipment, boots, and clothing.

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