Branson, Mo Flood 2011<br> Table Rock and Taneycomo Flooding<br> Presented by Sue Andersen Realty

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Our value is not determined by who we are, what we do, or what we look like, but by the Price that was paid for us.

Romans 5: 8

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Sue Andersen

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Branson, Mo Flood 2011

Table Rock and Taneycomo Flooding

Presented by Sue Andersen Realty

Observations by a 33 year Local!

As Accurate as my Memory Allows - Which is getting worse??

April 2011

Table Rock Dam with Flood gates open - 68,000 cfs
Opened approximately 4 feet
Lake elevation at all time high of 935.47 feet

Table Rock Lake April 27, 2011

Notice the water coming over the spillway by the pillars - You can see the depth and magnitude of this release (68,000 cfs or 4 foot).

Each gate is open 4 feet. The volume of water released by this causes a 15-20 foot rise in Taneycomo downstream, flooding many areas.

All runoff from I-44 north of Springfield, Mo to Fayetteville, Ark must pass through this dam. This volume of water must be channeled between the Ozark Hills. Before the construction of Table Rock Dam, the original homesteaders often referred to this as Flash Floods.

Table Rock Lake Dam - Downstream side
Look closely and you will see the water coming over the top of the flood gates

Table Rock Dam - Upstream side
Look closely and you will see the water going over the top of the flood gates

Table Rock Dam - Downstream side

Lake level is 935.47 - Record high level - Releasing 68,000 cfs - Gates open 4 feet

Note the water coming over the top of the gates.

Table Rock Dam - Upstream side

Lake level is 935.47 - Record high level - Releasing 68,000 cfs - Gates open 4 feet

Look under the road and above the water - you can see the water going over the top of the gates!

Understanding the Flood Gates

When the flood gates are closed, their top is at 931 feet. In other words, water would overflow the gates at 931 elevation. When the gate are raised (4+ feet currently), water flows under the gates. Also, when the gates are raised, the top of the gate is raised (DUH!). But this allows the lake to be filled higher (4 foot higher). It raises the lake capacity by 4 foot. Consequently, even though the top of the normal closed gates is 931, with the gates open, additional water can be held – in this case, up to 935 – preventing even worse flooding. Over FULL!!