Scs-little Washita River Site-22

Scs-little Washita River Site-22 is an earth dam located in Comanche County, Oklahoma, built in 1977. It carries a Low hazard potential classification.

About Scs-little Washita River Site-22

The primary purpose of Scs-little Washita River Site-22 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 Comanche Co Cons Dist (state). It impounds the Tr-little Washita River near Cedar Grove.

The dam stands 45 feet tall and stretches 920 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 204 acre-feet. Completed in 1977, the structure is 49 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. The most recent inspection on record was 01/01/1980. That was over 46 years ago.

At 45 feet, this dam is taller than 91% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOklahoma
CountyComanche
Nearest CityCedar Grove
River/StreamTr-little Washita River
Coordinates34.83657, -98.20913

Physical Characteristics

Dam TypeEarth
NID Height45 ft
Dam Height45 ft
Dam Length920 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage204 acre-ft
Max Storage204 acre-ft
Normal Storage74 acre-ft
Surface Area9 acres
Max Discharge495 cfs
Spillway TypeControlled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCOMANCHE CO CONS DIST
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection01/01/1980
Emergency Action PlanNot Required

Identifiers

NID IDOK20769
Federal IDOK20769
More InfoState Dam Safety Program

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