Scs-cottonwood Creek Site-08

Scs-cottonwood Creek Site-08 is an earth dam located in Logan County, Oklahoma, built in 1965. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspection01/01/1980
Height25 ft
Built196561 years ago

Dam profile

NID height · 25 ft
25 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

25 ft tall and 1,200 ft long, taller than 50% 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 Scs-cottonwood Creek Site-08

The primary purpose of Scs-cottonwood Creek Site-08 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 Logan Co Cons Dist (state). It impounds the Tr-cottonwood Creek near Seward.

The dam stands 25 feet tall and stretches 1,200 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 1,246 acre-feet. Completed in 1965, 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. The most recent inspection on record was 01/01/1980. That was over 46 years ago.

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Location

StateOklahoma
CountyLogan
Nearest CitySeward
River/StreamTr-cottonwood Creek
Coordinates35.78482, -97.59959

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length1,200 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage1,246 acre-ft
Max Storage1,246 acre-ft
Normal Storage45 acre-ft
Surface Area12 acres
Max Discharge620 cfs
Spillway TypeControlled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerLogan Co Cons Dist
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection01/01/1980
Emergency Action PlanNot Required

Identifiers

NID IDOK12049
Federal IDOK12049
More InfoState Dam Safety Program