Grassy Creek Watershed Dam G-38, located in Lewis, Missouri, was completed in 1998 by the USDA NRCS for flood risk reduction on Grassy Creek.
Wind
Humidity
This earth dam stands at a height of 24.5 feet and has a structural height of 41 feet, with a storage capacity of 121 acre-feet. The dam spans 700 feet in length and covers a drainage area of 364.8 acres.
Despite being classified as a low hazard potential structure, the dam's risk assessment is moderate, with a score of 3. While the condition of the dam is not currently rated, it is inspected annually to ensure its safety and effectiveness in flood risk reduction. The dam features an uncontrolled spillway with a width of 20 feet and no outlet gates. Grassy Creek Watershed Dam G-38 serves multiple purposes including fire protection, stock or small fish pond, fish and wildlife pond, in addition to flood risk reduction. With its strategic location and design, this dam plays a vital role in managing water resources and protecting the surrounding area from the impacts of flooding.
Year Completed |
1998 |
Dam Length |
700 |
Dam Height |
24.5 |
River Or Stream |
GRASSY CREEK |
Primary Dam Type |
Earth |
Surface Area |
15 |
Hydraulic Height |
24 |
Drainage Area |
364.8 |
Nid Storage |
121 |
Structural Height |
41 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
41 |
Wyaconda River Above Canton
|
13cfs |
South Fabius River Near Taylor
|
12cfs |
North River At Palmyra
|
21cfs |
Salt River Near Shelbina
|
30cfs |
Salt River At Hagers Grove
|
1cfs |
Bear Creek Near Marcelline
|
5cfs |