Oklahoma State Of Reformatory

Oklahoma State Of Reformatory is an earth dam located in Greer County, Oklahoma, built in 1932. It carries a Low hazard potential classification.

About Oklahoma State Of Reformatory

Oklahoma State Of Reformatory is a dam in Greer, Oklahoma. The dam is owned by Department Of Corrections (state). It impounds the Tr-altus Lake near Granite.

The dam stands 27 feet tall and stretches 660 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 134 acre-feet. Completed in 1932, 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 11/29/2010. That was over 15 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOklahoma
CountyGreer
Nearest CityGranite
River/StreamTr-altus Lake
Coordinates34.95961, -99.34520

Physical Characteristics

Dam TypeEarth
NID Height27 ft
Dam Height27 ft
Dam Length660 ft
Year Completed1932 (94 years old)

Storage & Hydraulics

NID Storage134 acre-ft
Max Storage134 acre-ft
Normal Storage84 acre-ft
Surface Area9 acres
Max Discharge250 cfs
Spillway TypeControlled

Ownership & Safety

PurposeOther
OwnerDEPARTMENT OF CORRECTIONS
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection11/29/2010
Emergency Action PlanNot Required

Identifiers

NID IDOK21152
Federal IDOK21152
More InfoState Dam Safety Program

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