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DNR cautions lakeshore property owners about using hydraulic jets

Posted by PLSLWD Staff - May 31, 2018 - News, Prior Lake, Spring Lake

Minnesota DNR News Release: May 29, 2018

Using hydraulic jets to get rid of “muck” or to uproot aquatic plants in public waters is illegal, according to the Minnesota Department of Natural Resources. 

“We remind lakeshore property owners that just because you can buy a hydraulic jet does not make them legal to use in all situations,” said Jon Hansen, aquatic plant management consultant. “You may not use them in any way that disturbs the lake bottom or destroys rooted aquatic plants,”

Aquatic plants help keep water clean and fish populations healthy. Misusing hydraulic jets can destroy fish habitat and muddy the water.

Hydraulic jets, including products like HydroSweep, Aqua Blaster, Aqua Thruster and Aquasweep, can resemble a fan or trolling motor contained in a short tube and create strong currents of moving water. These products are often advertised to control or remove “muck” and “weeds” from a lake bottom; however, using hydraulic jets in this manner is not allowed in Minnesota.

A person may legally operate a hydraulic jet if it is placed high enough off the lake bed so that it does not disturb the bottom or destroy rooted aquatic plants. It should be directed upward toward the water’s surface, which can prevent dead vegetation and duckweed from collecting around docks and boat lifts. Any displacement of sediment or removal of aquatic plants as a result of operating a hydraulic jet would be deemed a violation and may result in a fine.

Aquatic plant regulations and a guide to aquatic plants can be found at mndnr.gov/shorelandplants.

For information on DNR water permits, visit mndnr.gov/permits.

Aquatic Vegetation, Aquatic plants, Lake, Vegetation, hydraulic jets, lakes, lakeshore

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Prior Lake – Spring Lake Watershed District

The District covers about 42 square miles in Scott County, MN. Water in the PLSLWD flows mainly from the southwest to the northeast through Spring, Upper Prior and Lower Prior Lakes, and then north through the Prior Lake Outlet Channel to the Minnesota River near Valley Fair amusement park.
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Prior Lake - Spring Lake Watershed District
4646 Dakota Street SE
Prior Lake, MN 55372

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