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Corps Cuts Missouri River Flow Into Mississippi
By AP
ST. LOUIS, MO - The Army Corps of Engineers began reducing the flow from a Missouri River reservoir on Friday, a move expected to worsen low-water conditions on the Mississippi River and potentially bring barge traffic to a halt within weeks.

The Missouri flows into the Mississippi around a bend just north of St. Louis. One result of this year’s drought, the worst in decades, has been a big drop in water levels on both rivers. The corps announced earlier this month that it would reduce the outflow from the Gavins Point Dam near Yankton, S.D., to protect the upper Missouri River basin. That drew an outcry from political leaders and businesses downstream, who warned that allowing the Mississippi to drop more could have devastating economic consequences.

The Mississippi is nearing historic lows between St. Louis and Cairo, Ill. Barges are already required to carry lighter loads, and the middle of the river could be closed to barge traffic if the water level at St. Louis dips below minus 5 feet. It was at minus 0.45 feet Friday. A zero river reading at St. Louis was established more than a century ago. It is the point at which people at that time thought the river would never drop below. The National Weather Service forecast for river levels extends only as far as Dec. 6. It calls for the Mississippi River to get to minus 3.7 feet at St. Louis by then. Businesses that ship on the river and their trade groups expect to get to minus 5 feet by around Dec. 10.

Corps spokeswoman Monique Farmer said on Friday that the reduction had begun as scheduled in the morning. By midday, the flow that had started at 37,500 cubic feet per second had been cut to 35,500 cubic feet per second. Farmer said plans call for a gradual reduction down to 12,000 cubic feet per second by Dec. 11 because of the drought. ‘‘We’re hoping Mother Nature brings some snow this winter,’’ she said, ‘‘but we’ve been told to expect low, stable conditions, that it’s probably going to remain dry.’’

The cut in flow comes despite opposition from the governors of Missouri and Illinois and 77 members of Congress whose states sit along the Mississippi River. Scott Holste, a spokesman for Missouri Governor Jay Nixon, said his office never received a reply to a letter Nixon sent Army Assistant Secretary Jo-Ellen Darcy, asking that the corps delay plans to reduce the Missouri River flow. 

Barges carry 20 percent of the country’s coal and more than 60 percent of its grain exports. Other cargo, including petroleum products, lumber, sand, industrial chemicals, and fertilizer, also gets shipped along the Mississippi River. Barge operators and those who ship on the Mississippi have warned that a shutdown would have disastrous economic consequences on those industries, with companies laying off workers if it lasts for any significant amount of time. River shipping trade groups have even asked President Obama to intervene. ‘‘This is a pending economic emergency,’’ said Ann McCulloch, director of public affairs for the American Waterways Operators. A message left with the White House on Friday was not returned.

The weather forecast offers little hope with no big storms in sight. While the drought has eased in the St. Louis area, it persists in the upper Mississippi and upper Missouri river basins, which feed water to the areas below, said Scott Truett, a meteorologist with the National Weather Service office in St. Louis. ‘‘That means less runoff and hence low water levels,’’ Truett said. The corps has taken steps to keep the Mississippi open as long as possible, including increasing dredging. It also plans to remove two rock formations in the river in southern Illinois that jut up, potentially scraping the bottoms of barges when water levels are low. But that work isn’t expected until February, although 15 senators and 62 House members in separate letters asked for the rock removal to be expedited.

Corps officials in Omaha say the drought has already hurt recreation along the upper Missouri River areas. The low water has exposed Native American artifacts, leaving them prone to looting, and if it persists into spring, hydropower could be affected. Corps officials in Omaha say they are bound by the Missouri River Master Manual to act in the best interest of the Missouri River basin and what happens on the Mississippi is incidental.  

Published 02:45 PM, Saturday Nov. 24, 2012
Updated 05:55 AM, Monday Nov. 26, 2012

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