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Jordan Lake 'Artificially High' Because of Early Cutbacks

Posted March 10, 2008

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— The Army Corps of Engineers reduced releases from Falls Lake into the Neuse River last month only after Raleigh officials lobbied hard for the cutback. Meanwhile, the Corps dramatically cut releases from Jordan Lake into the Cape Fear River last fall without being asked.

The Corps' different management strategies for the two lakes is a primary reason that Jordan Lake has remained full throughout the ongoing drought while Falls Lake, Raleigh's primary reservoir, has struggled.

Releases from Jordan Lake were slashed by about two-thirds last fall as the drought seriously took hold across North Carolina. Terry Brown, the Corps' water control manager for eastern North Carolina, said a management plan adopted after a drought in 2002 called for the early cutbacks.

The move kept billions of gallons in the lake instead of flowing down the Cape Fear River.

Raleigh officials pushed for weeks to get the Corps to reduce flows from Falls Lake into the Neuse River. The Corps responded by cutting flows by 3 million gallons a day last month, and after some pressure from area congressmen, the Corps reduced flows by another 14 million gallons a day last week.

"We want discharges to be consistent with the water that's there," Raleigh Mayor Charles Meeker said, calling on the Corps to adjust its management strategy at Falls Lake.

The Corps has to maintain specified flows in the rivers downstream of both lakes, and Brown said that's easier to do below Jordan Lake than Falls Lake, despite the proximity of the two river basins.

"The Neuse River basin is a very tight river basin," he said, noting heavy demand for drinking water downstream. "We have more leeway with the Cape Fear basin."

The Corps plans to study Raleigh's request to change how Falls Lake is managed, he said, but changes likely won't be as dramatic as those implemented at Jordan Lake.

"I seriously doubt we can do the cutbacks (at Falls Lake) that we did over at Jordan," he said.

The recent rains that have replenished Falls Lake – the lake was less than 3 feet below normal levels Monday after hovering around 8 feet below normal in recent weeks – could allow the Corps to increase releases from Jordan Lake.

Cary spokeswoman Susan Moran said the uncertainty over the Corps' management strategy at the lake, where the town draws its drinking water, is a main reason local officials are reluctant to ease tight water restrictions despite having more than 400 days of available water.

"The way the Corps has managed it has kept the level artificially high to make sure that our citizens and the folks we're sharing with will have water," Moran said. "It's difficult for us to know exactly what's going to happen."

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  • piperchuck Mar 11, 2008

    The article says "Jordan Lake has remained full throughout the ongoing drought..." This statement is flat out wrong. Jordan was also way down, but it did recover quicker.

    In addition, the required minimum discharge rate from Jordan is 40 cfs, with the minimum rate typically between 130 and 200. Throughout this drought they've kept the flow above 200. Historical data shows that they've actually reduced the outflow even lower than they did for this drought. So, the perception this article is trying to create that the people managing Jordan have somehow done something out of the ordinary isn't true. Whoever wrote it should have done a better job with their research before trying to inflame readers.

  • whatusay Mar 10, 2008

    So we have water, but it is artificial. I don't understand. Just because people are using less water doesn't mean there is less of it. duh...

  • PaulRevere Mar 10, 2008

    That explains the nearly dried up Cape Fear River I kept passing over last year. Yikes. I wonder how much salt water crept upstream because of the very low discharge from the CFR.