East Fork Big Creek Dam Lt- 42 is an earth dam located in Harrison County, Missouri, built in 1987. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 400 ft long, taller than 72% 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- 42
The primary purpose of East Fork Big Creek Dam Lt- 42 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 Alex Sittner (private). It impounds the East Fork Big Creek near Bethany.
The dam stands 31 feet tall and stretches 400 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 74 acre-feet, and collects water from a drainage area of 51 square miles. Completed in 1987, the structure is 39 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 | 40.34820, -93.95360 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 29 ft |
| Dam Length | 400 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 61 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 51 sq mi |
| Max Discharge | 30 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Alex Sittner |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO11952 |
| Federal ID | MO11952 |
| More Info | State Dam Safety Program |