Big Wyacondah Watershed Site 27-2 in Davis County, Iowa, is a local government-owned dam completed in 1976 by the USDA NRCS.
Wind
Humidity
This earth dam, standing at 21 feet tall and stretching 530 feet long, serves multiple purposes including fire protection, livestock watering, small fish pond creation, and flood risk reduction. Located on the TR-South Wyacondah stream, this site has a drainage area of 2.08 square miles and a storage capacity of 365 acre-feet.
With a surface area of 1.2 acres, the dam has a spillway type of "Uncontrolled" and is regulated by the Iowa Department of Natural Resources. Despite having a low hazard potential and a moderate risk assessment score of 3, the condition of the dam is currently not rated. The site does not have an Emergency Action Plan (EAP) prepared, and there is limited information on the inspection frequency and maintenance history.
Overall, Big Wyacondah Watershed Site 27-2 is a significant water resource infrastructure in the region, playing a crucial role in water management and flood control. As climate change impacts become more pronounced, monitoring and maintaining the integrity of this dam will be essential to ensure the safety and resilience of the surrounding communities and ecosystems.
Year Completed |
1976 |
Dam Length |
530 |
Dam Height |
21 |
River Or Stream |
TR-SOUTH WYACONDAH |
Primary Dam Type |
Earth |
Surface Area |
1.2 |
Drainage Area |
2.08 |
Nid Storage |
365 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
21 |
Fox River At Bloomfield
|
7cfs |
Chariton River Near Moulton
|
34cfs |
Chariton River At Livonia
|
45cfs |
Des Moines River At Ottumwa
|
1090cfs |
Chariton River Near Rathbun
|
14cfs |
Des Moines River At Keosauqua
|
1800cfs |
| Location | Reservations | Toilets |
|---|---|---|
Lake Fisher
|
||
McGowen Rec Area
|
||
Drakesville City Park
|
||
Lake Wapello State Park
|
||
Lake Wapello State Park Campground
|