East Fork Big Creek Dam A- 34
East Fork Big Creek Dam A- 34 is an earth dam located in Harrison County, Missouri, built in 1961. It carries a Low hazard potential classification.
About East Fork Big Creek Dam A- 34
The primary purpose of East Fork Big Creek Dam A- 34 is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by E Fk Big Creek Wshd Sbdt (local government). It impounds the Tr-east Fork Big Creek near Bethany.
The dam stands 27 feet tall and stretches 430 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 115 acre-feet, and collects water from a drainage area of 38 square miles. Completed in 1961, the structure is well into its service life at over 50 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 | Tr-east Fork Big Creek |
| Coordinates | 40.41061, -93.93694 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 25 ft |
| Dam Length | 430 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 115 acre-ft |
| Max Storage | 115 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 38 sq mi |
| Max Discharge | 785 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | E FK BIG CREEK WSHD SBDT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO10474 |
| Federal ID | MO10474 |
| More Info | State Dam Safety Program |