Luttrell Lake Dam Lower is an earth dam located in Washington County, Missouri, built in 1935. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 44 ft44 ft tall and 430 ft long, taller than 89% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Luttrell Lake Dam Lower
The primary purpose of Luttrell Lake Dam Lower is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is private-owned. It impounds the Tr-mine a Breton Creek near Potosi.
The dam stands 44 feet tall and stretches 430 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 132 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 02/09/2023.
At 44 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Missouri |
| County | Washington |
| Nearest City | Potosi |
| River/Stream | Tr-mine a Breton Creek |
| Coordinates | 37.99300, -90.82953 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 44 ft |
| Dam Height | 41 ft |
| Dam Length | 430 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 132 acre-ft |
| Max Storage | 132 acre-ft |
| Normal Storage | 117 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 119 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/09/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MO30746 |
| Federal ID | MO30746 |
| More Info | State Dam Safety Program |