Category Archives: aquatic herbicides

State budget has hydrilla money

The new state budget includes $800,000 to help local efforts to stop the invasive aquatic plant hydrilla, which was found last year in Cayuga Inlet, Ithaca-area state senators announced Wednesday.

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Woodstock Township board votes for harvesting, no herbicide use

WOODSTOCK TWP., Mich. —- The Woodstock Township board voted 4-1 on Monday in favor of mechanical harvesting to address the problem of invasive plant species in Devils Lake.

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State updates permit for irrigation weed control

OLYMPIA – The Washington Department of Ecology (Ecology) invites the public to comment on an updated permit that regulates the use of pesticides to control aquatic weeds and algae in irrigation systems.

The permit – called the Irrigation System Aquatic Weed Control General Permit – covers 17 irrigation districts in Eastern Washington. The permit is required by the Washington State Water Pollution Control Act.

The modified permit would allow the irrigation districts to use the pesticide endothall at a more effective rate so it can be used instead of acrolein. Endothall is a less toxic alternative to acrolein. The draft permit reduces and eliminates the use of acrolein, where feasible.

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