Big Park Watershed Site C-2 in Crawford, Iowa, is a locally owned and regulated earth dam completed in 1962 by USDA NRCS for fire protection, stock, and small fish pond purposes.
Wind
Humidity
Located in Dunlap along the TR-Boyer River, this dam stands at 36 feet tall and spans 300 feet in length, with a storage capacity of 53 acre-feet. With a surface area of 3 acres and a drainage area of 0.44 square miles, this dam plays a crucial role in flood risk reduction in the area.
Despite its low hazard potential and moderate risk assessment, Big Park Watershed Site C-2 has not been rated for its condition as of yet. The dam's spillway type is uncontrolled, and there are no outlet gates or associated structures. Even though the dam meets state regulatory requirements for permitting, inspection, and enforcement, there is no information available on its inspection frequency or last inspection date. Overall, this site serves as an essential water resource infrastructure for the local community, providing multiple benefits while managing flood risks in the area.
Year Completed |
1962 |
Dam Length |
300 |
Dam Height |
36 |
River Or Stream |
TR-BOYER RIVER |
Primary Dam Type |
Earth |
Surface Area |
3 |
Drainage Area |
0.44 |
Nid Storage |
53 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
36 |
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 |