Trimble Lake Dam-east
Trimble Lake Dam-east is an earth dam located in Callaway County, Missouri, built in 1958. It carries a High hazard potential classification and has a unsatisfactory condition assessment.
About Trimble Lake Dam-east
Trimble Lake Dam-east is a dam in Callaway, Missouri. The dam is owned by Jl Trimble (private). It impounds the Tr-turkey Creek near Cedar City.
The dam stands 48 feet tall and stretches 400 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 53 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, the structure is well into its service life at over 50 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 07/17/1986. That was 39 years ago — unusually long for a high-hazard dam, which typically requires more frequent inspections.
At 48 feet, this dam is taller than 92% 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 | Callaway |
| Nearest City | Cedar City |
| River/Stream | Tr-turkey Creek |
| Coordinates | 38.61065, -92.14279 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 48 ft |
| Dam Height | 42 ft |
| Dam Length | 400 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 53 acre-ft |
| Max Storage | 53 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | JL TRIMBLE |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 07/17/1986 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MO30319 |
| Federal ID | MO30319 |
| More Info | State Dam Safety Program |