Pottorf Lake Dam is an earth dam located in Vernon County, Missouri, built in 1956. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall, taller than 50% 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 Pottorf Lake Dam
The primary purpose of Pottorf Lake Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by J L Pottorf (private). It impounds the Tr to Clear Creek near Dederick.
The dam stands 25 feet tall, creates a reservoir covering 7 acres, has a maximum storage capacity of 94 acre-feet, and collects water from a drainage area of 150 square miles. Completed in 1956, 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.
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Location
| State | Missouri |
| County | Vernon |
| Nearest City | Dederick |
| River/Stream | Tr to Clear Creek |
| Coordinates | 37.66890, -94.20627 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 94 acre-ft |
| Max Storage | 94 acre-ft |
| Normal Storage | 58 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 150 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | J L Pottorf |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO20300 |
| Federal ID | MO20300 |
| More Info | State Dam Safety Program |