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Battle against salvinia on Cross Lake continues - KTBS.com - Shreveport, LA News, Weather and Sports

Battle against salvinia on Cross Lake continues

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SHREVEPORT, La. -

The salvinia problem on Cross Lake is not as bad as on Lake Bistineau, but it still hurts some families' bottom line.

"We bought the bait. We bought the lines. We bought the license. We bought the extra license," said Sunny Cordaro.

She and her husband spent thousands of dollars to prepare for the alligator hunting season, but the salvinia separated their boat from the gators. She says it trapped them in all summer.

"We were maybe able to get out of the boat dock, maybe twice. And it took a paddle to get us out through this so we could get to where the water was clear."

Wes Wyche, manager of Shreveport's environmental services, said between 1,000 and 2,000 acres of Cross Lake are infected with salvinia. He said they sprayed twice as much herbicide this year than they have in the past, and still work against the weather right now.

"When the summer ends, you get nice fall weather like we're having here, but it's still sunny and still warm. Right now is really the peak of it."

Wyche said the spraying is not bad for Shreveport's drinking water, neither is the salvinia itself.

"It doesn't pose any threat at all to the quality of the water in the lake. It doesn't really pose a threat to the amount of water in the lake. It doesn't impact it in that way."

Wyche said they plan to continue to spray the herbicide into the cooler months, but will only manage the weed. He said we need several consecutive days below the freezing mark in order to kill it. He thought a winter like one in the ‘80s where the Red River froze would be perfect to take care of this salvinia problem.

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