Lake Travis Topics: APCo Seeks Temp Rule Curve Var

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	Name:	Maverick -
	Subject:	APCo Seeks Temp Rule Curve Var
	Date:	10/23/2007 4:52:05 PM

What I think you are missing is the reduction in downstream flow releases from the lake, whihc can have a siginifcant impact on our lake levels.

Remember back during the period mid July through about late Aug we had very little rain and the lake level remained almost constant. This was because of the reduction in downstream releases out of Martin as the water for the Alabama River was coming from the Coosa Basin and not Lake Martin.

Now the Coosa Basin downstream releases have been reduced as the Corps has reduced the amount of water released from Allatoona and currently Martin is sending the water downstream so the Corps can complete their dredging project in the lower Alabama River below Claiborne Dam.

Also historically the period of Nov through I think Jan is usually higher than average rainfall period. But who knows what will happen this year because of the La Nina off of Chile, we will just have to wait and see.

What it appears APCo is doing is being proactive instead of reactive as the case was in 2007. This winter per their letter they are wanting to: (1) hold back another 3 feet of water and (2) reduce the downstream flow requirements. these two changes should have a impact on our lake levels for next year.

But no matter what we will still need rain.