East Fork Big Creek Dam E- 49 is an earth dam located in Harrison County, Missouri, built in 1987. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 595 ft long, taller than 59% 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 East Fork Big Creek Dam E- 49
The primary purpose of East Fork Big Creek Dam E- 49 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 Efbc Subdistrict (local government). It impounds the East Fork Big Creek near Bethany.
The dam stands 27 feet tall and stretches 595 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 168 acre-feet, and collects water from a drainage area of 166 square miles. Completed in 1987, the structure is 39 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.
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Location
| State | Missouri |
| County | Harrison |
| Nearest City | Bethany |
| River/Stream | East Fork Big Creek |
| Coordinates | 40.45779, -93.98614 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 25 ft |
| Dam Length | 595 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 168 acre-ft |
| Max Storage | 168 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 166 sq mi |
| Max Discharge | 80 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Efbc Subdistrict |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO12304 |
| Federal ID | MO12304 |
| More Info | State Dam Safety Program |