Grassy Creek Watershed Dam G-47, located in Lewis, Missouri, was completed in 2005 by the USDA NRCS with a primary purpose of flood risk reduction.
Wind
Humidity
This earth dam stands at a height of 26 feet and has a structural height of 30 feet, with a length of 525 feet and a storage capacity of 177.1 acre-feet. The dam serves multiple purposes including fire protection, stock or small fish pond, fish and wildlife habitat, and flood risk reduction for the region.
With a low hazard potential and a moderate risk assessment rating, Grassy Creek Watershed Dam G-47 is considered to be in good condition, although it has not been formally rated. The dam features an uncontrolled spillway with a width of 40 feet and is inspected annually for maintenance and safety. The surrounding area has a drainage area of 198.4 acres and a normal storage capacity of 41.7 acre-feet, providing essential water resource management for the local community. As an important structure for flood risk reduction in the region, Grassy Creek Watershed Dam G-47 plays a crucial role in protecting the environment and enhancing water sustainability in the area.
Year Completed |
2005 |
Dam Length |
525 |
Dam Height |
26 |
River Or Stream |
GRASSY CREEK |
Primary Dam Type |
Earth |
Surface Area |
3 |
Hydraulic Height |
26 |
Drainage Area |
198.4 |
Nid Storage |
177.1 |
Structural Height |
30 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
30 |
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 |