Big Park Watershed Site A-3, located in Crawford County, Iowa, is a vital resource managed by the local government for fire protection, livestock watering, and small fish pond purposes.
Wind
Humidity
Constructed in 1970 by the USDA NRCS, this earth dam stands at 41 feet high and spans 810 feet in length, with a storage capacity of 210 acre-feet. Situated along the TR-Boyer River, this site also serves as a recreational area and contributes to flood risk reduction efforts in the region.
With a low hazard potential and a moderate risk assessment rating, Big Park Watershed Site A-3 is regulated by the Iowa Department of Natural Resources, ensuring state jurisdiction, permitting, inspection, and enforcement measures are in place. While the condition assessment is currently not rated, the site's emergency action plan status, inundation maps, and risk management measures are yet to be fully assessed and updated. Overall, this watershed site plays a crucial role in water resource management in the area, providing essential services while maintaining a careful balance between environmental conservation and human utilization.
Year Completed |
1970 |
Dam Length |
810 |
Dam Height |
41 |
River Or Stream |
TR-BOYER RIVER |
Primary Dam Type |
Earth |
Surface Area |
15 |
Drainage Area |
1.97 |
Nid Storage |
210 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
41 |
Soldier River At Pisgah
|
112cfs |
Boyer River At Logan
|
417cfs |
Maple River At Mapleton
|
323cfs |
Little Sioux River Near Turin
|
1040cfs |
Monona-Harrison Ditch Near Turin
|
158cfs |
West Nishnabotna River At Hancock
|
154cfs |