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Lands around the lake are managed by the Corps of Engineers to preserve their natural value.
Land management practices such as prairie restoration, prescribed burning and tree planting
help conserve soil and benefit wildlife.
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Rathbun Lake provides flood protection for 149,300 acres of land along the Chariton River
downstream from the dam and is part of a network of Corps Lakes that help control flooding
on the Missouri and Mississippi River.
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A portion of the lake storage is used to provide water to Rathbun Regional Water Association,
which, in turn, supplies many Iowa farms and communities.
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| THE LAKE |
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| Elevation, feet above mean sea level: |
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| Top flood control pool |
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926 |
| Top multipurpose pool |
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904 |
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| Surface area, acres: |
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| Top flood control pool |
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21,000 |
| Top multipurpose pool |
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11,000 |
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| Drainage area: (sq. mil) |
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549 |
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| Shoreline, mi. (multipurpose pool) |
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155 |
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