West Fork Big Creek Dam P- 22
West Fork Big Creek Dam P- 22 is an earth dam located in Harrison County, Missouri, built in 2002. It carries a Low hazard potential classification.
About West Fork Big Creek Dam P- 22
The primary purpose of West Fork Big Creek Dam P- 22 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 West Fork Big Creek Watershed (local government). It impounds the Polecat near Bridgeport.
The dam stands 32 feet tall and stretches 390 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 42 acre-feet, and collects water from a drainage area of 330 square miles. Completed in 2002, the structure is relatively new.
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. The most recent inspection on record was 08/01/2002. That was over 23 years ago.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Missouri |
| County | Harrison |
| Nearest City | Bridgeport |
| River/Stream | Polecat |
| Coordinates | 40.24655, -93.98690 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 29 ft |
| Dam Length | 390 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 42 acre-ft |
| Max Storage | 42 acre-ft |
| Normal Storage | 11 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 330 sq mi |
| Max Discharge | 138 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WEST FORK BIG CREEK WATERSHED |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/01/2002 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51092 |
| Federal ID | MO51092 |
| More Info | State Dam Safety Program |