Twin Lakes Lower Dam is an earth dam located in Perry County, Missouri, built in 1957. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall, taller than 76% 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 Twin Lakes Lower Dam
The primary purpose of Twin Lakes Lower Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Twin Lakes Inc (private). It impounds the Tr Mcclanahan Creek near Menfro.
The dam stands 33 feet tall, creates a reservoir covering 8 acres, has a maximum storage capacity of 141 acre-feet, and collects water from a drainage area of 110 square miles. Completed in 1957, 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 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Missouri |
| County | Perry |
| Nearest City | Menfro |
| River/Stream | Tr Mcclanahan Creek |
| Coordinates | 37.78044, -89.79494 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 141 acre-ft |
| Max Storage | 141 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 110 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Twin Lakes Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO30810 |
| Federal ID | MO30810 |
| More Info | State Dam Safety Program |