Lake Post Commons Dam, located in Chesterfield, Missouri, is a privately owned structure that serves the primary purpose of flood risk reduction.
Wind
Humidity
Completed in 1976, this earth dam stands at a height of 44 feet and has a length of 320 feet. With a maximum storage capacity of 67 acre-feet and a normal storage of 40 acre-feet, the dam plays a crucial role in managing water resources in the area.
Managed by the DAM AND RESERVOIR SAFETY PROG of Missouri, Lake Post Commons Dam is state regulated, inspected, and enforced, ensuring its structural integrity and safety. The dam, situated on the TR TO BONHOMME CREEK, also provides recreational opportunities for the community. With a high hazard potential and a satisfactory condition assessment, the dam poses a moderate risk (3) and has undergone regular inspections to ensure its resilience in the face of potential emergencies.
Overall, Lake Post Commons Dam stands as a vital infrastructure for flood control and water management in St. Louis County. With its strategic location and significant storage capacity, the dam serves as a key component in safeguarding the surrounding area from flooding risks while also offering recreational benefits for the local residents. The continuous oversight and maintenance of this structure demonstrate a commitment to water resource management and climate resilience in the region.
Year Completed |
1976 |
Dam Length |
320 |
Dam Height |
44 |
River Or Stream |
TR TO BONHOMME CREEK |
Primary Dam Type |
Earth |
Surface Area |
4 |
Drainage Area |
112 |
Nid Storage |
67 |
Structural Height |
44 |
Outlet Gates |
None |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
44 |