Ryan Henschal Watershed Site F-3 in Pottawattamie, Iowa, is a local government-owned earth dam completed in 1964 by the USDA NRCS.
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Humidity
This dam, located along the TR-Mosquito Creek, serves multiple purposes including fire protection, stock, small fish pond, and flood risk reduction. With a structure height of 32 feet and a length of 300 feet, it has a storage capacity of 50 acre-feet and covers a surface area of 5.1 acres with a drainage area of 1.09 square miles.
The dam's hazard potential is rated as low, with a moderate risk assessment score of 3. While the condition has not been rated, the dam is state-regulated and undergoes regular inspections, permitting, and enforcement by the Iowa DNR. The emergency action plan status and risk management measures for the site are not currently available, but the dam has not been modified since its completion and is considered to meet regulatory guidelines.
Situated in Council Bluffs, Iowa, the Ryan Henschal Watershed Site F-3 is a vital infrastructure for water resource management in the area. Its importance lies in providing essential services like fire protection and flood risk reduction while also supporting local wildlife and agriculture. The site's location along the TR-Mosquito Creek highlights its significance in maintaining water quality and mitigating potential environmental hazards in the region.
Year Completed |
1964 |
Dam Length |
300 |
Dam Height |
32 |
River Or Stream |
TR-MOSQUITO CREEK |
Primary Dam Type |
Earth |
Surface Area |
5.1 |
Drainage Area |
1.09 |
Nid Storage |
50 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
32 |
Missouri River At Omaha
|
17700cfs |
Boyer River At Logan
|
417cfs |
Big Papillion Cr
|
38cfs |
West Nishnabotna River At Hancock
|
154cfs |
Elkhorn River At Waterloo
|
1120cfs |
Soldier River At Pisgah
|
112cfs |
| Location | Reservations | Toilets |
|---|---|---|
Hitchcock County Nature Center
|
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Arrowhead Park
|
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N. P. Dodge Mem Park
|
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Friendship City Park
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