Detwilder Lake Dam is an earth dam located in Sullivan County, Missouri, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall, taller than 78% 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 Detwilder Lake Dam
The primary purpose of Detwilder Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Robert Detwilder (private). It impounds the Tr-locust Creek near Reger.
The dam stands 34 feet tall, creates a reservoir covering 7 acres, has a maximum storage capacity of 127 acre-feet, and collects water from a drainage area of 80 square miles. Completed in 1969, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Missouri |
| County | Sullivan |
| Nearest City | Reger |
| River/Stream | Tr-locust Creek |
| Coordinates | 40.21537, -93.16788 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 80 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Robert Detwilder |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10406 |
| Federal ID | MO10406 |
| More Info | State Dam Safety Program |