Levees, floodwalls require round-the-clock watch
Monday, May 16, 2011
NEW ORLEANS (AP) — All along the swollen Mississippi River, hundreds of thousands of lives depend on a small army of engineers, deputies and even prison inmates keeping round-the-clock watch at the many floodwalls and earthen levees holding the water back.
They are looking for any droplets that seep through the barriers and any cracks that threaten to turn small leaks into big problems. The work is hot and sometimes tedious, but without it, the flooding that has caused weeks of misery from Illinois to the Mississippi Delta could get much worse.
“I volunteered for this,” said jail inmate Wayne McClinton, who was helping with the sandbagging effort in northern Louisiana’s Tensas Parish. “It’s a chance to get out in the air, to do something different. It’s not boring like prison is.”
To take pressure off levees near Baton Rouge and New Orleans, engineers have opened two major spillways. After water was released over the weekend at the Morganza spillway near Baton Rouge, deputies and National Guardsmen fanned out to warn residents in its path, most of whom have heeded the call to seek higher ground.
Bernadine Turner, who lives in a mandatory evacuation zone near Krotz Springs, spent a third day Monday moving her things out. Water was not expected to reach the town about 40 miles west of Baton Rouge for several days, but most residents were taking no chances.
“There’s no doubt it’s going to come up. We don’t have flood insurance, and most people here don’t. Man, it would be hard to start all over,” she said.
Snow melt and rain have sent a relentless torrent of water down the Mississippi this spring. On Monday, President Barack Obama flew to Memphis, Tenn., to comfort families affected when the river rose last week to within inches of the record set in 1937. Some low-lying neighborhoods were inundated, but levees protected much of the rest.
Downriver in Mississippi and Louisiana, the crews keeping watch on floodwalls and levees included those from the Army Corps of Engineers, various local levee districts, county sheriffs, municipal police forces and private security details.
“For the most part, it’s hot and boring until you find something,” Col. Jeffrey Eckstein, commander of the Vicksburg, Miss., district of the Army Corps, said as he toured the river last week.
Although the job requires 24-hour vigilance, Reynold Minsky, president of a north Louisiana levee district, said there are some places in his mostly rural district of forest and farmland where he will not ask anyone to go after sundown.
“Unless we’ve got a serious situation that we know we’ve found before dark, we don’t ask these people to go into these wooded areas because of the snakes and the alligators,” Minsky said while taking a break from helicopter tours of the levees. ”That’s inhumane.“
Minsky’s 5th Louisiana Levee District is plagued these days by “sand boils,” places where river water has found a way through earthen levees and bubbled up on the dry side like an artesian well. He insists they are no reason for alarm. If the water is clear, as it has been so far, that means the levee is not eroding. Stopping the boil involves ringing it with sandbags.
“We’ve got more sand boils than we’ve had in recent days, and we’re going to have more. We know that,” Minsky said. “They’re popping up in different places that we’ve not had them before.”
In New Orleans, the wharves that form much of the city’s boundary with the river provide one line of defense. If for any reason they are topped by floodwaters, concrete floodwalls and huge metal gates can also be closed.
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