Savannah River recedes as flows from upstate lakes decline

Heavy rains this month brought flooding problems to Savannah

The Savannah River’s elevation near Augusta dropped almost three feet during the weekend as flows from rain-swollen reservoirs began to subside.


As of Monday, the river’s elevation at Butler Creek was at 113.3 feet above sea level – well below the 116.2 recorded Friday.

Last week’s peak flow, recorded Wednesday, was 117.6 feet above sea level.

Thurmond Lake, which had risen almost three feet above full pool in recent weeks, had receded Monday to 330.5 feet above sea level, or half a foot above full pool.

Billy Birdwell, a spokesman for the Army Corps of Engineers, said releases from Thurmond Dam have been scaled back as the lakes began to recede.

Monday’s discharge was about 21,000 cubic feet per second, compared with last week’s peak releases of more than 37,000 feet per second.

Downstream in Augusta, the river’s flow Monday was about 28,000 cubic feet per second near New Savannah Bluff Lock and Dam, compared with more than 39,000 cubic feet per second last Wednesday.

Although floodwaters are subsiding in upstate lakes and in the Augusta area, the Savannah River is cresting farther downstream because it takes about a week for flows to reach coastal areas.

Birdwell said the river is cresting at Clyo, Ga., and along Savannah’s River Street, because of a combination of higher flows and the impacts of high tides and phases of the moon.

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Sun, 12/17/2017 - 19:23

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