West Fork Big Creek Dam P- 47
West Fork Big Creek Dam P- 47 is an earth dam located in Harrison County, Missouri, built in 1999. It carries a Low hazard potential classification.
About West Fork Big Creek Dam P- 47
The primary purpose of West Fork Big Creek Dam P- 47 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 Harrison Co Swcd & West Fork B (local government). It impounds the Tr-polecate Creek near Pattonsburg (old).
The dam stands 30 feet tall and stretches 410 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 52 acre-feet, and collects water from a drainage area of 157 square miles. Completed in 1999, the structure is 27 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 | Harrison |
| Nearest City | Pattonsburg (old) |
| River/Stream | Tr-polecate Creek |
| Coordinates | 40.22466, -94.02850 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 26 ft |
| Dam Length | 410 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 157 sq mi |
| Max Discharge | 158 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | HARRISON CO SWCD & WEST FORK B |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50965 |
| Federal ID | MO50965 |
| More Info | State Dam Safety Program |