Timber Creek Lake Dam
Timber Creek Lake Dam is a dam located in Jefferson County, Missouri, built in 1982. It carries a High hazard potential classification and has a unsatisfactory condition assessment.
About Timber Creek Lake Dam
Timber Creek Lake Dam is a dam in Jefferson, Missouri. The dam is owned by Silverleaf Resorts Llc (private). It impounds the Mcmullen Branch near Desot.
The dam stands 39 feet tall and stretches 950 feet across, creates a reservoir covering 33 acres, has a maximum storage capacity of 541 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1982, the structure is 44 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 04/29/2019.
At 39 feet, this dam is taller than 86% of dams nationwide.
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 | Jefferson |
| Nearest City | Desot |
| River/Stream | Mcmullen Branch |
| Coordinates | 38.07837, -90.47906 |
Physical Characteristics
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 950 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 541 acre-ft |
| Max Storage | 541 acre-ft |
| Normal Storage | 368 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | SILVERLEAF RESORTS LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 04/29/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MO60452 |
| Federal ID | MO60452 |
| More Info | State Dam Safety Program |