E.Br So Fk Blackwater B-11 is a local government-owned earth dam located in Johnson, Missouri, with a primary purpose of flood risk reduction.
Wind
Humidity
Completed in 1958, this dam stands at a height of 31 feet and has a structural height of 33 feet, spanning a length of 780 feet. It has a storage capacity of 88 acre-feet and serves a drainage area of 160 square miles, with a maximum discharge of 1574 cubic feet per second. Despite its low hazard potential and moderate risk assessment, the condition of E.Br So Fk Blackwater B-11 is currently not rated.
The dam features an uncontrolled spillway with a width of 100 feet and is constructed mainly of earth with a stone core and soil foundation. It is situated along the TR-E BR.SO FK.BLACKWATER river or stream and is under the jurisdiction of the Kansas City District of the US Army Corps of Engineers. While there are no associated structures or locks, the dam does not have an Emergency Action Plan (EAP) in place and is not regularly inspected. With its strategic location and vital role in flood control, E.Br So Fk Blackwater B-11 serves as a critical infrastructure asset for the community of Sweet Springs and the surrounding area in Missouri.
Year Completed |
1958 |
Dam Length |
780 |
Dam Height |
31 |
River Or Stream |
TR-E BR.SO FK.BLACKWATER |
Primary Dam Type |
Earth |
Surface Area |
5 |
Hydraulic Height |
31 |
Drainage Area |
160 |
Nid Storage |
88 |
Structural Height |
33 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
33 |