Big Wyacondah Watershed Site 23, located in Davis, Iowa, is a crucial water resource managed by the local government with oversight from the Iowa Department of Natural Resources.
Wind
Humidity
Built in 1966 by the USDA NRCS, this earth dam serves multiple purposes including fire protection, stock, small fish pond, and flood risk reduction. With a dam height of 31 feet and a storage capacity of 162 acre-feet, the site covers a surface area of 9 acres and drains a 0.35 square-mile watershed along the TR-South Wyacondah River.
Despite being classified as low hazard potential, the dam at Big Wyacondah Watershed Site 23 is rated as moderate risk (3) due to unspecified factors. Although the condition assessment is currently marked as "Not Rated," the dam is inspected, permitted, and regulated by state authorities, ensuring its structural integrity and safety. In case of emergencies, the site does not have an Emergency Action Plan (EAP) in place, but it meets state guidelines for operation and maintenance. Overall, this watershed site is a significant asset for water management and conservation efforts in the region, providing valuable services to the local community and wildlife.
Year Completed |
1966 |
Dam Length |
602 |
Dam Height |
31 |
River Or Stream |
TR-SOUTH WYACONDAH RIVER |
Primary Dam Type |
Earth |
Surface Area |
9 |
Drainage Area |
0.35 |
Nid Storage |
162 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
31 |
Fox River At Bloomfield
|
7cfs |
Chariton River Near Moulton
|
34cfs |
Chariton River At Livonia
|
45cfs |
Des Moines River At Keosauqua
|
1800cfs |
Des Moines River At Ottumwa
|
1090cfs |
Chariton River Near Rathbun
|
14cfs |
| Location | Reservations | Toilets |
|---|---|---|
McGowen Rec Area
|
||
Lake Fisher
|
||
Drakesville City Park
|