Lost Cr Pilot Watershed Dam E-7, located in Lincoln County, Missouri, was completed in 1959 with the primary purpose of flood risk reduction.
Wind
Humidity
This earth dam stands at a height of 31 feet and has a hydraulic height of 31 feet, with a structural height of 33 feet. It has a storage capacity of 269 acre-feet and serves a drainage area of 256 square miles. The dam, situated on TR-LOST CREEK, has a spillway width of 150 feet and a maximum discharge of 6100 cubic feet per second.
Despite being owned by a local government entity, the dam is not state regulated or permitted, and does not fall under state jurisdiction for inspection or enforcement. With a significant hazard potential and a moderate risk assessment rating, Lost Cr Pilot Watershed Dam E-7 poses a potential risk to the surrounding area in case of a failure. The condition of the dam is currently not rated, and it lacks a formal Emergency Action Plan (EAP) or inundation maps for emergency preparedness.
Water resource and climate enthusiasts interested in the infrastructure and management of dams will find Lost Cr Pilot Watershed Dam E-7 to be a notable structure in the region. With its historical significance in flood risk reduction and the potential risks associated with its current condition, there is an opportunity for further research and assessment to ensure the safety and resilience of this crucial water resource facility.
Year Completed |
1959 |
Dam Length |
960 |
Dam Height |
31 |
River Or Stream |
TR-LOST CREEK |
Primary Dam Type |
Earth |
Surface Area |
1 |
Hydraulic Height |
31 |
Drainage Area |
256 |
Nid Storage |
269 |
Structural Height |
33 |
Outlet Gates |
None |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
33 |
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 |
Cowmire Creek At Bridgeton
|
1cfs |