Grassy Creek Watershed Dam G-49, located in Lewis County, Missouri, was completed in 1999 by the USDA NRCS and serves as a vital flood risk reduction structure for the area.
Wind
Humidity
The earth dam stands at a height of 24.7 feet with a hydraulic height of 24 feet and a structural height of 32 feet. With a drainage area of 185.6 square miles and a maximum discharge of 126 cubic feet per second, the dam provides crucial protection for the surrounding community along the Grassy Creek.
Despite its low hazard potential and moderate risk assessment, the dam has not been rated for its condition. With a storage capacity of 66 acre-feet and a surface area of 1 acre, the dam plays a significant role in fire protection, stock maintenance, as well as fish and wildlife conservation in addition to its primary purpose of flood risk reduction. As water resource and climate enthusiasts, the Grassy Creek Watershed Dam G-49 presents an intriguing case study in sustainable water management practices and the importance of maintaining critical infrastructure for the benefit of local communities and ecosystems.
Year Completed |
1999 |
Dam Length |
540 |
Dam Height |
24.7 |
River Or Stream |
GRASSY CREEK |
Primary Dam Type |
Earth |
Surface Area |
1 |
Hydraulic Height |
24 |
Drainage Area |
185.6 |
Nid Storage |
66 |
Structural Height |
32 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
32 |
South Fabius River Near Taylor
|
12cfs |
Wyaconda River Above Canton
|
13cfs |
North River At Palmyra
|
21cfs |
Salt River Near Shelbina
|
30cfs |
Bear Creek Near Marcelline
|
5cfs |
Salt River At Hagers Grove
|
1cfs |