Cooper Ranch

Cooper Ranch is an earth dam located in Osage County, Oklahoma, built in 1940. It carries a Low hazard potential classification.

About Cooper Ranch

Cooper Ranch is a dam in Osage, Oklahoma. The dam is owned by Joe Clayton Cooper (private). It impounds the Tr-haines Cr near Kaw City.

The dam stands 30 feet tall and stretches 250 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 270 acre-feet. Completed in 1940, the structure is well-established, with more than 75 years of service.

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 09/09/2011. That was over 14 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOklahoma
CountyOsage
Nearest CityKaw City
River/StreamTr-haines Cr
Coordinates36.86411, -96.73215

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Dam Length250 ft
Year Completed1940 (86 years old)

Storage & Hydraulics

NID Storage270 acre-ft
Max Storage270 acre-ft
Normal Storage150 acre-ft
Surface Area10 acres
Max Discharge500 cfs
Spillway TypeControlled

Ownership & Safety

PurposeOther
OwnerJOE CLAYTON COOPER
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection09/09/2011
Emergency Action PlanNot Required

Identifiers

NID IDOK13006
Federal IDOK13006
More InfoState Dam Safety Program

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