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Zebra mussels pesticide shows promise in small test

The Department of Natural Resources says there's hope that a chemical might help stop the spread of the invasive aquatic species that is fast spreading in Minnesota lakes. The DNR treated Rose Lake in Otter Tail County last fall, and two divers who scoured the lake this week did not find any zebra mussels.

DNR to test out new Zebra mussel treatment at state park

The Minnesota Department of Natural Resources said Thursday that they've started on a research project to discover an effective and environmentally safe means to control zebra mussels and protect aquatic ecosystems. The DNR said Zequanox is a natural product that was approved by the Environmental Protection Agency for use in controlling zebra and quagga mussels that attach, colonize and clog closed industrial water systems.

Penalties double for invasive species violations

Tougher laws aimed to prevent the spread of aquatic invasive species, like zebra mussels and spiny waterfleas, go into effect Sunday, July 1 -- doubling fines for Minnesota boaters who are caught violating the rules. The Department of Natural Resources says about 20 percent of boaters are not taking the basic precautions to comply with the laws. The new fines range from $100 to $500 dollars.