Fourche Creek Watershed Dam 13 is an earth dam located in Ripley County, Missouri, built in 1978. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 750 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 Fourche Creek Watershed Dam 13
The primary purpose of Fourche Creek Watershed Dam 13 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Fourche Cr Wtrshd Subdst (local government). It impounds the Tr-fourche Creek near Pocahontas Ark.
The dam stands 31 feet tall and stretches 750 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 470 acre-feet, and collects water from a drainage area of 172 square miles. Completed in 1978, the structure is 48 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 | Ripley |
| Nearest City | Pocahontas Ark |
| River/Stream | Tr-fourche Creek |
| Coordinates | 36.50146, -90.92858 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 29 ft |
| Dam Length | 750 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 470 acre-ft |
| Max Storage | 470 acre-ft |
| Normal Storage | 57 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 172 sq mi |
| Max Discharge | 605 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Fourche Cr Wtrshd Subdst |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MO31649 |
| Federal ID | MO31649 |
| More Info | State Dam Safety Program |