Located in Woodbine, Iowa, the Mill Picayune Watershed Site P-33-1 is a dam constructed in 1965 by the USDA NRCS with a primary purpose of fire protection, stock, or small fish pond.
Wind
Humidity
This earth dam stands at 45 feet tall and spans 595 feet in length, creating a storage capacity of 133 acre-feet for flood risk reduction. The dam is situated on the TR-Picayune Creek within the Rock Island District, serving as a vital water resource for the surrounding area.
Managed by the Iowa Department of Natural Resources, this low hazard potential dam has not been rated for its condition. With a moderate risk assessment score of 3, the Mill Picayune Watershed Site P-33-1 is subject to state regulation, inspection, and enforcement to ensure its safety and functionality. Although the dam does not have controlled spillways or outlet gates, it plays a crucial role in water management and protection in the Harrison County area. Water and climate enthusiasts can appreciate the significance of this structure in maintaining water resources and mitigating flood risks in the region.
Year Completed |
1965 |
Dam Length |
595 |
Dam Height |
45 |
River Or Stream |
TR-PICAYUNE CREEK |
Primary Dam Type |
Earth |
Surface Area |
4.9 |
Drainage Area |
0.54 |
Nid Storage |
133 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
45 |
Boyer River At Logan
|
417cfs |
Soldier River At Pisgah
|
112cfs |
Little Sioux River Near Turin
|
1040cfs |
Monona-Harrison Ditch Near Turin
|
158cfs |
West Nishnabotna River At Hancock
|
154cfs |
Maple River At Mapleton
|
323cfs |