East Fork Big Creek Dam E- 68 is an earth dam located in Harrison County, Missouri, built in 1986. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 510 ft long, taller than 50% 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- 68
The primary purpose of East Fork Big Creek Dam E- 68 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 25 feet tall and stretches 510 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 67 acre-feet, and collects water from a drainage area of 185 square miles. Completed in 1986, the structure is 40 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 | 40.40303, -93.99603 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 23 ft |
| Dam Length | 510 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 185 sq mi |
| Max Discharge | 48 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 | MO50149 |
| Federal ID | MO50149 |
| More Info | State Dam Safety Program |