West Fork Big Creek Dam B-171
West Fork Big Creek Dam B-171 is an earth dam located in Harrison County, Missouri, built in 1994. It carries a Low hazard potential classification.
About West Fork Big Creek Dam B-171
The primary purpose of West Fork Big Creek Dam B-171 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 Tr-west Fork Big Creek near Mitchelville.
The dam stands 30 feet tall and stretches 530 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 136 acre-feet, and collects water from a drainage area of 313 square miles. Completed in 1994, the structure is 32 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. The most recent inspection on record was 08/01/1994. That was over 31 years ago.
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Location
| State | Missouri |
| County | Harrison |
| Nearest City | Mitchelville |
| River/Stream | Tr-west Fork Big Creek |
| Coordinates | 40.24596, -94.08507 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 28 ft |
| Dam Length | 530 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 136 acre-ft |
| Max Storage | 136 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 313 sq mi |
| Max Discharge | 214 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 | 08/01/1994 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50616 |
| Federal ID | MO50616 |
| More Info | State Dam Safety Program |