West Fork Big Creek Dam B-123
West Fork Big Creek Dam B-123 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 B-123
The primary purpose of West Fork Big Creek Dam B-123 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 Swcd & West Fork Big (local government). It impounds the Tr-little Creek near Bethany.
The dam stands 35 feet tall and stretches 430 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 115 acre-feet, and collects water from a drainage area of 210 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.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Missouri |
| County | Harrison |
| Nearest City | Bethany |
| River/Stream | Tr-little Creek |
| Coordinates | 40.28539, -94.09896 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 33 ft |
| Dam Length | 430 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 115 acre-ft |
| Max Storage | 115 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 210 sq mi |
| Max Discharge | 252 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | HARRISON SWCD & WEST FORK BIG |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50960 |
| Federal ID | MO50960 |
| More Info | State Dam Safety Program |