West Fork Big Creek Dam B-126 is an earth dam located in Harrison County, Missouri, built in 1994. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 290 ft long, taller than 55% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About West Fork Big Creek Dam B-126
The primary purpose of West Fork Big Creek Dam B-126 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 Bethany.
The dam stands 26 feet tall and stretches 290 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 322 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 08/01/1995. That was over 31 years ago.
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Location
| State | Missouri |
| County | Harrison |
| Nearest City | Bethany |
| River/Stream | Tr-west Fork Big Creek |
| Coordinates | 40.28594, -94.07587 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 24 ft |
| Dam Length | 290 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 17 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 322 sq mi |
| Max Discharge | 230 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 assessed |
| Last Inspection | 08/01/1995 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50615 |
| Federal ID | MO50615 |
| More Info | State Dam Safety Program |