Louisa County Roadgrade Dam 24-74-3, located in Oakville, Iowa, is a local government-owned structure regulated by the Iowa Department of Natural Resources.
Wind
Humidity
Built in 1989 by SCS, this earth dam stands at a height of 28 feet and spans 280 feet along the TR-Iowa River. With a storage capacity of 48 acre-feet, the dam serves a primary purpose that is classified as "Other", with a low hazard potential rating.
Despite being uncontrolled, the spillway of Louisa County Roadgrade Dam 24-74-3 poses a moderate risk, as assessed by officials. The dam, which has not been rated for condition, is inspected by state authorities and meets regulatory guidelines. While the structure has not undergone any modifications in recent years and is not operated by the US Army Corps of Engineers, it continues to play a crucial role in managing water resources and protecting the surrounding area from potential flooding events. This information is vital for water resource and climate enthusiasts interested in understanding the infrastructure that supports environmental resilience in Louisa County, Iowa.
Year Completed |
1989 |
Dam Length |
280 |
Dam Height |
28 |
River Or Stream |
TR- IOWA RIVER |
Primary Dam Type |
Earth |
Surface Area |
1 |
Drainage Area |
0.2 |
Nid Storage |
48 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
28 |
Iowa River At Wapello
|
2660cfs |
Edwards River Near New Boston
|
47cfs |
Pope Creek Near Keithsburg
|
31cfs |
Cedar River Near Conesville
|
1720cfs |
Henderson Creek Near Oquawka
|
36cfs |
Iowa River Near Lone Tree
|
1830cfs |
| Location | Reservations | Toilets |
|---|---|---|
Snively Access
|
||
Wapello Fairgrounds Park
|
||
Flaming Prairie Park
|
||
Cappy Russell Access Dispersed
|
||
Ferry Landing
|
||
Virginia Grove Rec Area
|