CHAMPLAIN — As sea lamprey control treatment moves down the Great Chazy River, water-use advisories go into effect at 1 a.m. Saturday, Nov. 1, for the stretch 2 miles from the mouth of the river to the north and 3.5 miles to the south in Lake Champlain.

This is part of the final fall treatment in the region by the United States Fish and Wildlife Service.

The upper, middle and lower Great Chazy River advisories remain in effect. Each will be lifted once chemical concentrations dissipate and fall below advisory thresholds.

The State Department of Health recommends that treated river water, which will contain treatment concentrations of the lamprey control chemical, TFM, should not be used for drinking and other household purposes, fishing, swimming, irrigation or watering livestock.

Lake water, which may contain dilute TFM concentrations, should not be used for watering livestock or for household drinking but may be used for other household purposes. TFM formulations also contain the solvent isopropanol, the main ingredient in rubbing alcohol.

For further information and treatment updates, call (888) 596-0611 or visit http://tinyurl.com/lh9o7a2.

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