West Fork Big Creek Dam P- 9
West Fork Big Creek Dam P- 9 is an earth dam located in Harrison County, Missouri, built in 2001. It carries a Low hazard potential classification.
About West Fork Big Creek Dam P- 9
The primary purpose of West Fork Big Creek Dam P- 9 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-os near Bridgeport.
The dam stands 28 feet tall and stretches 450 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 103 acre-feet, and collects water from a drainage area of 340 square miles. Completed in 2001, 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 09/25/2001. That was over 24 years ago.
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Location
| State | Missouri |
| County | Harrison |
| Nearest City | Bridgeport |
| River/Stream | Polecat-os |
| Coordinates | 40.28710, -93.94610 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 27 ft |
| Dam Length | 450 ft |
| Year Completed | 2001 (25 years old) |
Storage & Hydraulics
| NID Storage | 103 acre-ft |
| Max Storage | 103 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 340 sq mi |
| Max Discharge | 199 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 | 09/25/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51021 |
| Federal ID | MO51021 |
| More Info | State Dam Safety Program |