West Fork Big Creek Dam P- 7
West Fork Big Creek Dam P- 7 is an earth dam located in Harrison County, Missouri, built in 2004. It carries a Low hazard potential classification.
About West Fork Big Creek Dam P- 7
The primary purpose of West Fork Big Creek Dam P- 7 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 Ws Trustee (local government). It impounds the Polecat near Bridgeport.
The dam stands 34 feet tall and stretches 470 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 84 acre-feet, and collects water from a drainage area of 290 square miles. Completed in 2004, 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 04/09/2004. That was over 21 years ago.
At 34 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Missouri |
| County | Harrison |
| Nearest City | Bridgeport |
| River/Stream | Polecat |
| Coordinates | 40.29485, -93.93986 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 29 ft |
| Dam Length | 470 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 84 acre-ft |
| Max Storage | 84 acre-ft |
| Normal Storage | 18 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 290 sq mi |
| Max Discharge | 187 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WEST FORK BIG CREEK WS TRUSTEE |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 04/09/2004 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51185 |
| Federal ID | MO51185 |
| More Info | State Dam Safety Program |