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Army Corps’ Options Dwindle Along With Mississippi River

Filed by KOSU News in US News.
January 13, 2013

Every day this month, the Army Corps of Engineers is working hard to deepen the Mississippi River’s shipping channel in an effort to keep navigation open between St. Louis and Cairo, Illinois.

Water levels are forecast to remain high enough through January to float loaded barges, but some say the only way to keep the river open next month will be to release water from the Missouri River.

On a recent afternoon, Maj. Gen. John Peabody zoomed across the Mississippi River on a survey boat near the tiny southern Illinois town of Thebes. It’s the rockiest, most shallow stretch of the river, and it’s now the pinch point in the Army Corps of Engineers’ fight to keep navigation open on the river.

“What we’re looking at here is pretty amazing … it is solid rock outcrops,” he says. “It almost looks like lava flows that stopped as they were flowing toward the shoreline; it’s a very narrow section of the river here.”

About thirty yards away, a backhoe, perched on top of a stationary barge, swoops its bucket downward to break apart underwater rocks on the riverbed. Next to the backhoe are piles of rock — some small, some as big as a car — that have been scooped out of the water.

It’s a weird sight on the river, but it’s one that Peabody finds encouraging. They’re removing these rocks, in some cases by blasting them to bits, in a desperate attempt to give this section of the river two additional feet of depth. That extra depth is just enough to keep navigation possible.

“We think through the month of January we’re probably going to be in pretty good shape between the combination of the weather and the rock removal,” he says.

The Missouri River Option

There’s good news and bad news here. The good news is, there’s been some rain in the Midwest and historical trends say river levels typically bottom out in January before rising in February.

The bad news, however, is if that doesn’t happen this year, the Corps is running out of options.

The Corps is already releasing water from Carlyle Lake in southern Illinois, but that’s the last reservoir left for the Corps to tap.

The biggest target is the Missouri River. The longest river in the country, it runs through or touches seven states and is the Mississippi’s biggest tributary, but it is currently off limits.

“The Corps is sort of caught in the cross hairs here of a lot of competing interests in the Missouri,” says John Thorson, a water law attorney who has long studied the Missouri River.

The Corps cannot legally release water from the Missouri to benefit navigation on the Mississippi.

Under a 1940s-era flood control law, the Missouri is only managed for a handful of uses like recreation, water supplies, hydropower and Missouri River navigation. Putting that Missouri River water on the Mississippi puts those uses at risk.

Fighting The Drought

The recent historical drought in the U.S. has scorched both the Mississippi and Missouri River basins. About 20 percent of the Missouri River’s storage capacity for a 12-year flood has already been used up.

“It’s going to be a dry year, and there might even be reductions in some of the authorized purposes on the Missouri, such as navigation,” Thorson says. “So even within the basin itself, there’s going to be impacts.”

John Thorson says President Obama might be able to use emergency powers to release Missouri River water, or Congress could pass some new legislation, but those moves would be extremely unpopular with Missouri River states.

At Thebes, Army Corps of Engineers Commanding General Thomas Bostick says the president is aware of the Mississippi River situation and all options are on the table — including the Missouri River water. But he says the Corps is already releasing more Missouri River water from its reservoirs than it normally would, just to meet water demands on that river.

“There’s a lot of second [and] third order effects; there’s a lot of interests, whether it’s hydropower, ecosystems, the environment, water supply, navigation,” Bostick says. “All of those purposes are important for us to look at and the impact of one over the other.”

What the area, and the rest of the U.S., really needs is more rain. With regular rainfall, everything will go back to normal. If the drought persists, though, we’ll be talking about river problems — and water fights — for a long, long time. [Copyright 2013 National Public Radio]

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