Ozzie Cobb Lake

Ozzie Cobb Lake is an earth dam located in Pushmataha County, Oklahoma, built in 1958. It carries a Low hazard potential classification.

About Ozzie Cobb Lake

The primary purpose of Ozzie Cobb Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dept Of Wildlife (state). It impounds the Rock Cr near Rattan.

The dam stands 24 feet tall and stretches 1,500 feet across, creates a reservoir covering 116 acres, has a maximum storage capacity of 1,200 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1958, 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 04/04/2003. That was over 23 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOklahoma
CountyPushmataha
Nearest CityRattan
River/StreamRock Cr
Coordinates34.24358, -95.38912

Physical Characteristics

Dam TypeEarth
NID Height24 ft
Dam Height24 ft
Dam Length1,500 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage1,200 acre-ft
Max Storage1,200 acre-ft
Normal Storage833 acre-ft
Surface Area116 acres
Drainage Area8 sq mi
Max Discharge1,674 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerDEPT OF WILDLIFE
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection04/04/2003
Emergency Action PlanNot Required

Identifiers

NID IDOK02342
Federal IDOK02342
More InfoState Dam Safety Program

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