Fourche Creek Dam 1

Fourche Creek Dam 1 is an earth dam located in Ripley County, Missouri, built in 1975. It carries a Significant hazard potential classification.

About Fourche Creek Dam 1

The primary purpose of Fourche Creek Dam 1 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 Wtsh Subdist (local government). It impounds the Fourche Creek near Pocahontas, Ark.

The dam stands 68 feet tall and stretches 1,040 feet across, creates a reservoir covering 49 acres, has a maximum storage capacity of 4,800 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1975, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.

At 68 feet, this dam is taller than 96% of all dams in the United States.

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Significant HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountyRipley
Nearest CityPocahontas, Ark
River/StreamFourche Creek
Coordinates36.63587, -91.05034

Physical Characteristics

Dam TypeEarth
NID Height68 ft
Dam Height65 ft
Dam Length1,040 ft
Year Completed1975 (51 years old)

Storage & Hydraulics

NID Storage4,800 acre-ft
Max Storage4,800 acre-ft
Normal Storage544 acre-ft
Surface Area49 acres
Drainage Area8 sq mi
Max Discharge20,400 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerFOURCHE CR WTSH SUBDIST
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO50435
Federal IDMO50435
More InfoState Dam Safety Program

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