West Fork Big Creek Dam B-104 is an earth dam located in Harrison County, Missouri, built in 1994. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 433 ft long, taller than 62% 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-104
The primary purpose of West Fork Big Creek Dam B-104 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 County Swcd (local government). It impounds the West Fork Big Creek near Bethany.
The dam stands 28 feet tall and stretches 433 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 70 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 09/30/1994. That was over 32 years ago.
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Location
| State | Missouri |
| County | Harrison |
| Nearest City | Bethany |
| River/Stream | West Fork Big Creek |
| Coordinates | 40.38258, -94.01485 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 24 ft |
| Dam Length | 433 ft |
| Year Completed | 1994 (32 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 13 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 70 sq mi |
| Max Discharge | 175 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Harrison County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/30/1994 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51272 |
| Federal ID | MO51272 |
| More Info | State Dam Safety Program |