River lock threatens to fail

Anthony Marx September 2, 2012
River lock threatens to fail

As the remnants of Isaac threatened flash flooding in portions of Tennessee and Kentucky on Sunday, residents in Louisiana and Mississippi grappled with the aftermath of the storm that again brought mandatory evacuations amid flood warnings.

Mandatory evacuations were issued Saturday night for portions of Louisiana’s St. Tammany Parish after the Pearl River swollen by days of rain threatened to overwhelm a lock in one area and overflow its banks in another, potentially flooding hundreds of homes.

The most pressing issue was the potential failure of a lock on a man-made canal that juts off the Pearl River.

After getting permission from the U.S. Army Corps of Engineers, authorities on Saturday “opened some valves” to prevent the lock from failing, St. Tammany Parish spokeswoman Suzanne Stymiest said.

“We are beginning to relieve some of the pressure, and we are hopeful,” Stymiest said. “However, the mandatory evacuation is still in place. We cannot determine (yet) that we have been successful.”

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