East Fork Big Creek Dam Z- 17
East Fork Big Creek Dam Z- 17 is an earth dam located in Harrison County, Missouri, built in 1988. It carries a Low hazard potential classification.
About East Fork Big Creek Dam Z- 17
The primary purpose of East Fork Big Creek Dam Z- 17 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 Wshd Subdistrict (local government). It impounds the East Fork Big Creek near Bethany.
The dam stands 21 feet tall and stretches 545 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 51 acre-feet, and collects water from a drainage area of 96 square miles. Completed in 1988, the structure is 38 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 | 40.52667, -93.92806 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 19 ft |
| Dam Length | 545 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 51 acre-ft |
| Max Storage | 51 acre-ft |
| Normal Storage | 12 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 96 sq mi |
| Max Discharge | 48 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | EFBC WSHD SUBDISTRICT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO12319 |
| Federal ID | MO12319 |
| More Info | State Dam Safety Program |