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After weeks of negotiations with the state Department of Environmental Conservation, the Chautauqua Lake Association learned Wednesday it will receive a permit to treat 435 acres of weed-choked lake with the herbicide Aquathol-K.

The association's directors were meeting when association attorney David Cook of Rochester told them DEC Commissioner Thomas Jorling approved the permit.

"The board . . . is in the process of implementing arrangements so a herbicide program can go forward -- hopefully as early as July 9," said Douglas Conroe, association president.

Conroe noted the association still has "a variety of concerns," but "we are not going to let them hold up this year's program."

Among the concerns are:

A requirement that a large section of the lake be quarantined, although only small sections are treated.

A solution of two parts per million of Aquathol-K will be allowed, although the manufacturer recommends 2 1/2 to 3 1/2 parts per million.

The Wahmeda area of the lake was removed as a designated treatment area by the DEC.

Bottled water must be provided, under strict requirements, for a few people who get drinking water from the lake.

"We are trying to take the attitude we are here to serve the public," Conroe said. "And if we can overcome bureaucratic hassle in or weed control
doing it, we will look the other way and get it done."

The association had sought permission to treat the channels from the lake outlet near Jamestown with a different herbicide, Diquat. Permission was not granted and weeds there will be harvested instead, Conroe said.

The weed-spray program will take about a week. The quarantine for drinking water consumption is 14 days. Shorter quarantines will be in effect for boating and swimming.

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