Posepsel Farm Lake Dam
Posepsel Farm Lake Dam is an earth dam located in St. Charles County, Missouri, built in 1972. It carries a Low hazard potential classification.
About Posepsel Farm Lake Dam
The primary purpose of Posepsel Farm 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 Herbert Struckhoff (private). It impounds the Tr-bigelow Creek near Augusta.
The dam stands 31 feet tall and stretches 450 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 70 acre-feet, and collects water from a drainage area of 595 square miles. Completed in 1972, 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 | St. Charles |
| Nearest City | Augusta |
| River/Stream | Tr-bigelow Creek |
| Coordinates | 38.72789, -90.91181 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 450 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 595 sq mi |
| Max Discharge | 154 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | HERBERT STRUCKHOFF |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50470 |
| Federal ID | MO50470 |
| More Info | State Dam Safety Program |