Scs-fort Cobb Laterals Site-101

Scs-fort Cobb Laterals Site-101 is an earth dam located in Caddo County, Oklahoma, built in 1984. It carries a Significant hazard potential classification and has a fair condition assessment.

Hazard potentialSignificantFailure could cause major damage
ConditionFair2nd of 4 ratings
Emergency action planNot reported
Last inspection12/21/2011
Height57 ft
Built198442 years ago

Dam profile

NID height · 57 ft
57 FT TEN-STORY BUILDINGMEDIAN U.S. DAM · 24 FT

57 ft tall and 660 ft long, taller than 94% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.

About Scs-fort Cobb Laterals Site-101

The primary purpose of Scs-fort Cobb Laterals Site-101 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 South Caddo Cons Dist (state). It impounds the Tr-washita River.

The dam stands 57 feet tall and stretches 660 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 96 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1984, the structure is 42 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 12/21/2011. That was over 14 years ago.

At 57 feet, this dam is taller than 94% of dams nationwide.

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Location

StateOklahoma
CountyCaddo
River/StreamTr-washita River
Coordinates35.08709, -98.55341

Physical Characteristics

Dam TypeEarth
NID Height57 ft
Dam Height57 ft
Dam Length660 ft
Year Completed1984 (42 years old)

Storage & Hydraulics

NID Storage96 acre-ft
Max Storage96 acre-ft
Normal Storage21 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge289 cfs
Spillway TypeControlled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerSouth Caddo Cons Dist
Owner TypeState
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection12/21/2011
Emergency Action PlanNot Required

Identifiers

NID IDOK03023
Federal IDOK03023
More InfoState Dam Safety Program