Located in Crawford County, Iowa, the Mill Picayune Watershed Site M-24-2 is a significant earth dam constructed in 1972 by the USDA NRCS for fire protection, stock, and small fish pond purposes.
Wind
Humidity
With a dam height of 40 feet and a length of 685 feet, this structure has a storage capacity of 251 acre-feet and serves to reduce flood risks in the area. The dam sits on TR-Mill Creek and is regulated by the Iowa DNR, with state permitting, inspection, and enforcement ensuring its safety and functionality.
Despite being classified as having a low hazard potential and not being rated for its condition, the Mill Picayune Watershed Site M-24-2 poses a moderate risk due to its age and design. However, with no reported incidents or need for emergency action plans, the dam continues to provide essential water resource management and protection for the surrounding community. Managed by the local government, this site stands as a testament to the importance of sustainable water infrastructure in maintaining a balanced ecosystem and climate resilience in the region.
Year Completed |
1972 |
Dam Length |
685 |
Dam Height |
40 |
River Or Stream |
TR-MILL CREEK |
Primary Dam Type |
Earth |
Surface Area |
9.8 |
Drainage Area |
0.84 |
Nid Storage |
251 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
40 |
Boyer River At Logan
|
417cfs |
Soldier River At Pisgah
|
112cfs |
Maple River At Mapleton
|
323cfs |
Little Sioux River Near Turin
|
1040cfs |
Monona-Harrison Ditch Near Turin
|
158cfs |
West Nishnabotna River At Hancock
|
154cfs |