Lost Cr Pilot Watershed Dam B-4, located in Lincoln County, Missouri, is a crucial structure designed for flood risk reduction along the TR-LOST CREEK.
Wind
Humidity
Built in 1958, this earth dam stands at a height of 28 feet and stretches 370 feet in length, with a maximum storage capacity of 54 acre-feet. The dam is classified as having a low hazard potential and a moderate risk assessment rating.
Despite being under local government ownership, Lost Cr Pilot Watershed Dam B-4 is not regulated or inspected by the state. The dam, primarily built with stone core and soil foundation, features an uncontrolled spillway with a width of 75 feet. With a drainage area of 371.2 square miles and a normal storage capacity of 10 acre-feet, this dam plays a vital role in managing water resources in the region.
Although the dam's condition is currently not rated, its emergency action plan status and risk management measures remain unclear. Lost Cr Pilot Watershed Dam B-4 stands as a testament to engineering ingenuity and serves as a reminder of the ongoing efforts to manage water resources and mitigate flood risks in the area.
Year Completed |
1958 |
Dam Length |
370 |
Dam Height |
28 |
River Or Stream |
TR-LOST CREEK |
Primary Dam Type |
Earth |
Surface Area |
1 |
Hydraulic Height |
28 |
Drainage Area |
371.2 |
Nid Storage |
54 |
Structural Height |
30 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
30 |
Cuivre River Near Troy
|
33cfs |
Macoupin Creek Near Kane
|
16cfs |
Dardenne Creek At Old Town St. Peters
|
11cfs |
Dardenne Creek At Ofallon
|
6cfs |
Missouri River At St. Charles
|
33100cfs |
Bay Creek At Pittsfield
|
43cfs |