Sunday, August 11, 2013

Extremely Wet 2013 impedes Dam Repair Progress, but fills Lake Quickly

A Good Reason for Dam Safety Legislation - Lake Berkeley perched 90 feet above The River District Subdivision in Berkeley Lake.  The Chattahoochee River is behind the houses just beyond the tree line. 

Outlet of Berkeley Lake Dam's Low Level Siphon Drain. The lake recently reached the drain pipe's crest. Contractor JM Wilkerson turned off the valve so the lake could continue to fill.
Berkeley Lake, Georgia. Water levels in Lake Berkeley have been rising quickly due to the wet year the metro Atlanta area has received. Thru July, the metro area has received 7 inches more rain than it did in all of 2012.  The weather has impeded the contractor's work as he has been sodding the dam and making repairs to the dam's toe drain, which has partially filled with sediment due to the rain. The lake is currently about ten feet below it's normal pool elevation of 974.4, but has only filled about 50% of its volume. 

U.S. EPA Water News