East Fork Big Creek Dam E- 81
East Fork Big Creek Dam E- 81 is an earth dam located in Harrison County, Missouri, built in 1984. It carries a Low hazard potential classification.
About East Fork Big Creek Dam E- 81
The primary purpose of East Fork Big Creek Dam E- 81 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 E.fk. Big Ck. Subdist. (local government). It impounds the East Fork Big Creek near Bethany.
The dam stands 29 feet tall and stretches 380 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 65 acre-feet, and collects water from a drainage area of 70 square miles. Completed in 1984, the structure is 42 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 | 40.35646, -93.94913 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 27 ft |
| Dam Length | 380 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 70 sq mi |
| Max Discharge | 50 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | E.FK. BIG CK. SUBDIST. |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO12296 |
| Federal ID | MO12296 |
| More Info | State Dam Safety Program |