East Fork Big Creek Dam Lt- 3 is an earth dam located in Harrison County, Missouri, built in 1985. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 308 ft long, taller than 68% of U.S. dams with a recorded height. 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 Lt- 3
The primary purpose of East Fork Big Creek Dam Lt- 3 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 Harding Brothers (private). It impounds the East Fork Big Creek near Bethany.
The dam stands 30 feet tall and stretches 308 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 34 acre-feet, and collects water from a drainage area of 19 square miles. Completed in 1985, the structure is 41 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 | 40.35715, -93.96032 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 28 ft |
| Dam Length | 308 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 34 acre-ft |
| Max Storage | 34 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 19 sq mi |
| Max Discharge | 20 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Harding Brothers |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO12274 |
| Federal ID | MO12274 |
| More Info | State Dam Safety Program |