Thurmond Dam water flow into Savannah River halted Sunday

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Flows from Thurmond Dam into the Savannah River were halted Sunday after heavy rains downstream offered an opportunity to conserve water in Thurmond Lake.

“We stopped the outflows from the dam on Sunday after we saw that inflows at Stevens Creek were approaching 9,000 cubic feet per second,” corps spokesman Billy Birdwell said. Stevens Creek enters the Savannah between Augusta and Thurmond Dam.

The heavy rainfall kept the lower river full with ample water for industries and municipal intakes. Shutting down the dam helps restore water levels in the reservoir.

Mr. Birdwell said flows from the dam will resume later today. “It will end up being about a 24-hour period that it was shut down,” he said.

The drought stricken lake, with a normal full pool of 330 feet above sea level, was at 323.55 this morning. It had fallen as low as 316.15 in late February.

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hr69
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hr69 03/30/09 - 10:52 am
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The Corps needs to keep

The Corps needs to keep following this practice during these good rains. Will be nice to have water in the lake this summer. Thanks

scorehouse
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scorehouse 03/30/09 - 11:02 am
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does anyone know how many
Unpublished

does anyone know how many inches of rain it takes to raise the lake a foot?

Why ME
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Why ME 03/30/09 - 11:30 am
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Thanks Corp, actually had to

Thanks Corp, actually had to move the dock in yesterday!!!!!

jack
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jack 03/30/09 - 11:40 am
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Way to go Corps.

Way to go Corps.

themaninthemirror
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themaninthemirror 03/30/09 - 11:41 am
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Scorehouse, do you know how

Scorehouse, do you know how many inches are in a foot?

yvalentine6
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yvalentine6 03/30/09 - 11:58 am
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Do you think it is possible

Do you think it is possible that we might get up to full pool this year? I used to take that for granted; now I can only hope.

Edward1968
578
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Edward1968 03/30/09 - 11:58 am
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themaninthemirror's attempt

themaninthemirror's attempt at sarcasm backfired. It doesn't work like he thinks!!

webenhad
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webenhad 03/30/09 - 12:13 pm
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Good work Corps! Thats the

Good work Corps! Thats the way to keep the hand on the thorttle.

basinincrisis
0
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basinincrisis 03/30/09 - 12:22 pm
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In this economy, I am so

In this economy, I am so grateful that the Corps is adaptively managing the basin and allowing the lakes to recover. The summer season typically brings substantial tourism to these very rural areas. That influx of spending is vital to the area. Take away the lakes and you have no economic engine for much of NE Georgia and upstate SC, coupled with what's going on in our nation today, it spells disaster. Thank you Corps for trying to get us back to full pool.

augustakid
0
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augustakid 03/30/09 - 12:39 pm
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Themaninthemirror... An inch

Themaninthemirror... An inch of rain can actually raise the lake several inches because of runoff from surrounding hills.

scorehouse
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scorehouse 03/30/09 - 12:55 pm
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idiot's tooo busy looking in
Unpublished

idiot's tooo busy looking in the mirror searching for his stimulus check. surely, having collected empirical data since 1954, they should have a chart calculating the impact on the lake level due to drainage basin runoff per inch of rain.

reruns
0
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reruns 03/30/09 - 01:27 pm
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Hurry COrps. Get the lake to

Hurry COrps. Get the lake to full pool. When I win the lottery, I would like to live on your lake. and if I don't (win hte lottery), I still would like to go tubing in my johnboat.

Little Lamb
46040
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Little Lamb 03/30/09 - 01:59 pm
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It's a step in the right

It's a step in the right direction, but they could have shut the gates at about 1:45 p.m. on Saturday and captured much more water. The minimum flow the river channel needs from the main channel upstream Stevens Creek is 3,400 cfs. Instead they waited until more than 9,000 cfs.

rufus
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rufus 03/30/09 - 02:10 pm
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It was reported that the

It was reported that the Atlanta area got 4" of rain and Lanier was up a foot

scorehouse
196
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scorehouse 03/30/09 - 02:49 pm
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clark's hill's basin is much
Unpublished

clark's hill's basin is much bigger than lanier. rain all the way from hartwell dam to clark hill dam and up to 30 miles each side of the river can eventually flow into the lake. remember clark's hill is the biggest man-made lake east of the mississsippi. the drainage basin is huge. wouldn't surprise me if an inch of rain on top of saturated ground would equal a foot rise in the lake. good kid's science project.

Riverman1
84116
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Riverman1 03/30/09 - 05:02 pm
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Scorehouse, exactly. The lake

Scorehouse, exactly. The lake is coming up and will be at Trigger Level 2 soon with outflows of 4000 cfs. All we need is average rain over the river basin starting in North GA-SC and the lake will be normal again. Rainfall is the key.

Riverman1
84116
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Riverman1 03/30/09 - 05:07 pm
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Just for the record, flows

Just for the record, flows are kept at 3800 cfs, at this lake level. When you measure more than that at Steven Creek Dam, flow can be reduced or stopped.

BakersfieldCityLimits
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BakersfieldCityLimits 03/30/09 - 06:04 pm
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I'm glad that with a new

I'm glad that with a new administration in Washington D.C. in place that we have some effective leadership that is making things work.

disssman
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disssman 03/30/09 - 06:06 pm
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All we have to do is figure

All we have to do is figure out the flow rate of rain from clouds to the earth and then we will have it. Anybody got any suggestions how we do it. I say leave the guys running the show alone and help them if they need us. I am sure the Corp is doing all it can to fill the lake and I for one appreciate what they are doing.

Fishboy
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Fishboy 03/30/09 - 07:47 pm
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Shutting the dam off for a a

Shutting the dam off for a a day is just a PR stunt. It really doesn't help lake levels all that much. To be exact, it "saved" less than half an inch of lake level.

scorehouse
196
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scorehouse 03/30/09 - 07:56 pm
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i'm glad you're glad. nice
Unpublished

i'm glad you're glad. nice for the obama to make it rain.

themaninthemirror
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themaninthemirror 03/30/09 - 07:59 pm
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Scorehouse, Surely I owe you

Scorehouse, Surely I owe you an apology, But you will have to wait a few minutes, I am too busy searching for my stimulus check. Actually, I did hear on the radio that three inches of rain raised the level of Lake Lanier by one foot. How that would translate to Clarks HIll Dam I do not know. I do know that our lake is lower than Lake Russell, which is above us, so some of our water is retained in that lake. You present a hard question to answer, because runoff is different everywhere. So depending on the soil conditions, whether it is wet or dry, also determines exactly how much runoff reaches the lake. Any way, I have to run to the mail box, I think my stimulus check just came.

scorehouse
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scorehouse 03/30/09 - 07:59 pm
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you don't need to know the
Unpublished

you don't need to know the flow rate of rain but the total amount of rain that reached the ground. whether it rains 1 inch an hour or less or more, the rain gauge will tell you the amount of total rainfall.

Asitisinaug
3
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Asitisinaug 03/31/09 - 03:05 am
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Keep up the good work!! And

Keep up the good work!! And we were told it would be years before it even reached its current level again....Goes to show....

MtnMan
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MtnMan 03/31/09 - 05:43 am
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...Our Tourist season around

...Our Tourist season around the Lake will be just fine...Pity the poor souls in Anchorage AK...their air port is closed because of volcano dust.... motorized vehicles cannot drive around because of the dust....bad news for them folks! That problem will not go away in just a few days...

themaninthemirror
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themaninthemirror 03/31/09 - 11:12 am
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Scorehouse, actually I can

Scorehouse, actually I can not see how three inches of rain could raise the level of anything by a foot. If three inches of rain fell, and if it rained over the whole area of the lake, in other words every square inch of the lake, that would mean three inches of rain actually fell into the lake. That would also mean that three inches fell on the shoreline and surrounding areas of the lake. Not all three inches of this rain would make it back into the lake in the form of runoff, because a certain amount would be soaked into the ground, a certain amount would be absorbed by gound cover,(pine straw, grass, old tree limbs, etc.), and a certain amount would evaporate back into the atmosphere before it reached the lake. So, we have no way of knowing the exact amount of the three inches of rain fall that actually contributed to a rise in the lake level. Let's do a little math here. Maybe the lake was already up by 9 inches. Three inches of rain fell into the lake causing the total lake level to rise by one foot.9+3=12. The last time I checked there were 12 inches in one foot. That is the only logical answer to your question. Now, back to my stimulus check.

scorehouse
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scorehouse 04/01/09 - 05:21 pm
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you really can't be that
Unpublished

you really can't be that stupid? three inches of rain in a valley can cause the water to rise several feet. go fill a big frying pan with 3 inches of water then try to fit it in a glass. get the picture moron. you're obviously csra public school educated. called a social promotion.

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