East Fork Big Creek Dam E- 22 is an earth dam located in Harrison County, Missouri, built in 1998. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 500 ft long. 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- 22
The primary purpose of East Fork Big Creek Dam E- 22 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 Harrison County Swcd (local government). It impounds the East Fork Big Creek near Bethany.
The dam stands 24 feet tall and stretches 500 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 65 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1998, the structure is 28 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. The most recent inspection on record was 11/01/1998. That was over 27 years ago.
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Location
| State | Missouri |
| County | Harrison |
| Nearest City | Bethany |
| River/Stream | East Fork Big Creek |
| Coordinates | 40.57336, -93.90021 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 16 ft |
| Dam Length | 500 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 65 acre-ft |
| Max Storage | 65 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 12 sq mi |
| Max Discharge | 115 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Harrison County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/01/1998 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO51283 |
| Federal ID | MO51283 |
| More Info | State Dam Safety Program |