Lake Lasata Dam
Lake Lasata Dam is an earth dam located in Ste. Genevieve County, Missouri, built in 1992. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Lake Lasata Dam
The primary purpose of Lake Lasata Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Marvin H. Drury (private). It impounds the Trib. To Fourche A Du Clos near Bloomsdale.
The dam stands 80 feet tall and stretches 870 feet across, creates a reservoir covering 115 acres, has a maximum storage capacity of 2,095 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1992, the structure is 34 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 10/18/2022.
At 80 feet, this dam is taller than 97% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Missouri dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Missouri |
| County | Ste. Genevieve |
| Nearest City | Bloomsdale |
| River/Stream | Trib. To Fourche A Du Clos |
| Coordinates | 37.99704, -90.23317 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 80 ft |
| Dam Height | 80 ft |
| Dam Length | 870 ft |
| Year Completed | 1992 (34 years old) |
Storage & Hydraulics
| NID Storage | 2,095 acre-ft |
| Max Storage | 2,095 acre-ft |
| Normal Storage | 2,095 acre-ft |
| Surface Area | 115 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 3,130 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MARVIN H. DRURY |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/18/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO31916 |
| Federal ID | MO31916 |
| More Info | State Dam Safety Program |