West Fork Big Creek Dam B-143
West Fork Big Creek Dam B-143 is an earth dam located in Harrison County, Missouri, built in 2004. It carries a Low hazard potential classification.
About West Fork Big Creek Dam B-143
The primary purpose of West Fork Big Creek Dam B-143 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 Ws Distric (local government). It impounds the West Fork Big Creek near Bridgeport.
The dam stands 33 feet tall and stretches 580 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 76 acre-feet, and collects water from a drainage area of 85 square miles. Completed in 2004, the structure is relatively new.
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 04/28/2005. That was over 20 years ago.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Missouri |
| County | Harrison |
| Nearest City | Bridgeport |
| River/Stream | West Fork Big Creek |
| Coordinates | 40.20232, -94.10759 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 29 ft |
| Dam Length | 580 ft |
| Year Completed | 2004 (22 years old) |
Storage & Hydraulics
| NID Storage | 76 acre-ft |
| Max Storage | 76 acre-ft |
| Normal Storage | 19 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 85 sq mi |
| Max Discharge | 224 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WEST FORK BIG CREEK WS DISTRIC |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 04/28/2005 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51356 |
| Federal ID | MO51356 |
| More Info | State Dam Safety Program |