East Fork Big Creek Dam A- 38
East Fork Big Creek Dam A- 38 is an earth dam located in Harrison County, Missouri, built in 1963. It carries a Low hazard potential classification.
About East Fork Big Creek Dam A- 38
The primary purpose of East Fork Big Creek Dam A- 38 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 Ck Wrsd Subd (local government). It impounds the Tr-east Fork Big Creek near Bethany.
The dam stands 27 feet tall and stretches 480 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 142 acre-feet, and collects water from a drainage area of 70 square miles. Completed in 1963, 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 | 40.51517, -93.94509 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 25 ft |
| Dam Length | 480 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 142 acre-ft |
| Max Storage | 142 acre-ft |
| Normal Storage | 47 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 70 sq mi |
| Max Discharge | 811 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | E FK BIG CK WRSD SUBD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO50176 |
| Federal ID | MO50176 |
| More Info | State Dam Safety Program |