East Fork Big Creek Dam E- 65a
East Fork Big Creek Dam E- 65a is an earth dam located in Harrison County, Missouri, built in 1986. It carries a Low hazard potential classification.
About East Fork Big Creek Dam E- 65a
The primary purpose of East Fork Big Creek Dam E- 65a 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 30 feet tall and stretches 600 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 88 acre-feet, and collects water from a drainage area of 160 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 | 40.39672, -93.96835 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 28 ft |
| Dam Length | 600 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 88 acre-ft |
| Max Storage | 88 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 160 sq mi |
| Max Discharge | 70 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | EFBC SUBDISTRICT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO12267 |
| Federal ID | MO12267 |
| More Info | State Dam Safety Program |