Scs-big Wewoka Creek Site-20

Scs-big Wewoka Creek Site-20 is an earth dam located in Seminole County, Oklahoma, built in 1963. It carries a Significant hazard potential classification and has a fair condition assessment.

About Scs-big Wewoka Creek Site-20

The primary purpose of Scs-big Wewoka Creek Site-20 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 Seminole Co Cons Dist (state). It impounds the Tr-wewoka Cr near Wewoka.

The dam stands 32 feet tall and stretches 1,205 feet across, creates a reservoir covering 44 acres, and has a maximum storage capacity of 1,030 acre-feet. Completed in 1963, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 11/04/2011. That was over 14 years ago.

At 32 feet, this dam is taller than 76% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateOklahoma
CountySeminole
Nearest CityWewoka
River/StreamTr-wewoka Cr
Coordinates35.13963, -96.56022

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Dam Length1,205 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage1,030 acre-ft
Max Storage1,030 acre-ft
Normal Storage280 acre-ft
Surface Area44 acres
Max Discharge3,025 cfs
Spillway TypeControlled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerSEMINOLE CO CONS DIST
Owner TypeState
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection11/04/2011
Emergency Action PlanNot Required

Identifiers

NID IDOK01327
Federal IDOK01327
More InfoState Dam Safety Program

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