Grassy Creek Watershed Dam G-53, located in Ewing, Missouri, was completed in 1991 by the USDA NRCS for the primary purpose of flood risk reduction along the Little Grassy River.
Wind
Humidity
This earth dam stands at a height of 30 feet, with a hydraulic height of 29 feet and a structural height of 35 feet. It has a normal storage capacity of 31 acre-feet and a maximum storage capacity of 150 acre-feet, serving a drainage area of 377.6 square miles.
With a low hazard potential and a moderate risk assessment rating of 3, Grassy Creek Watershed Dam G-53 is not currently rated in terms of its condition assessment. Despite not being regularly inspected since 1999, the dam has not been deemed to pose any immediate threats. The dam features an uncontrolled spillway type and lacks outlet gates, with a spillway width of 30 feet. While it does not have a state regulatory agency oversight, the dam remains under the ownership and responsibility of the local government, serving as a vital infrastructure for flood risk reduction in the region.
Year Completed |
1991 |
Dam Length |
500 |
Dam Height |
30 |
River Or Stream |
LITTLE GRASSY |
Primary Dam Type |
Earth |
Surface Area |
10 |
Hydraulic Height |
29 |
Drainage Area |
377.6 |
Nid Storage |
150 |
Structural Height |
35 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
35 |
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 |