Oknoname 059060

Oknoname 059060 is an earth dam located in Harper County, Oklahoma, built in 1960. It carries a Low hazard potential classification.

About Oknoname 059060

Oknoname 059060 is a dam in Harper, Oklahoma. The dam is owned by Dorothy Sue Hoffman Trust (private). It impounds the Tr Sleeping Bear Cr near Salt Springs.

The dam stands 31 feet tall and stretches 365 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 70 acre-feet. Completed in 1960, 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 08/15/2011. That was over 14 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOklahoma
CountyHarper
Nearest CitySalt Springs
River/StreamTr Sleeping Bear Cr
Coordinates36.75774, -99.34350

Physical Characteristics

Dam TypeEarth
NID Height31 ft
Dam Height31 ft
Dam Length365 ft
Year Completed1960 (66 years old)

Storage & Hydraulics

NID Storage70 acre-ft
Max Storage70 acre-ft
Normal Storage20 acre-ft
Surface Area4 acres
Max Discharge1,380 cfs
Spillway TypeControlled

Ownership & Safety

PurposeOther
OwnerDOROTHY SUE HOFFMAN TRUST
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection08/15/2011
Emergency Action PlanNot Required

Identifiers

NID IDOK12611
Federal IDOK12611
More InfoState Dam Safety Program

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