East Fork Big Creek Dam A- 31
East Fork Big Creek Dam A- 31 is an earth dam located in Harrison County, Missouri, built in 1965. It carries a Low hazard potential classification.
About East Fork Big Creek Dam A- 31
The primary purpose of East Fork Big Creek Dam A- 31 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 Crk Wtrshd Subd (local government). It impounds the Tr-east Fork Big Creek near Bethany.
The dam stands 30 feet tall and stretches 650 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 94 acre-feet, and collects water from a drainage area of 48 square miles. Completed in 1965, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Missouri |
| County | Harrison |
| Nearest City | Bethany |
| River/Stream | Tr-east Fork Big Creek |
| Coordinates | 40.42690, -93.98711 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 28 ft |
| Dam Length | 650 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 94 acre-ft |
| Max Storage | 94 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 48 sq mi |
| Max Discharge | 329 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | E FK BIG CRK WTRSHD SUBD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO12141 |
| Federal ID | MO12141 |
| More Info | State Dam Safety Program |