West Fork Big Creek Dam B-131
West Fork Big Creek Dam B-131 is an earth dam located in Harrison County, Missouri, built in 1991. It carries a Low hazard potential classification.
About West Fork Big Creek Dam B-131
The primary purpose of West Fork Big Creek Dam B-131 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 Pattonsburg.
The dam stands 34 feet tall and stretches 450 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 82 square miles. Completed in 1991, the structure is 35 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 34 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Missouri |
| County | Harrison |
| Nearest City | Pattonsburg |
| River/Stream | Tr-west Fork Big Creek |
| Coordinates | 40.25722, -94.09693 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 450 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 82 sq mi |
| Max Discharge | 181 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 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50079 |
| Federal ID | MO50079 |
| More Info | State Dam Safety Program |