Allison Lake

Allison Lake is an earth dam located in Beckham County, Oklahoma, built in 1965. It carries a Low hazard potential classification.

About Allison Lake

The primary purpose of Allison Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Marie Allison (private). It impounds the Tr-starvation Creek near Sayre.

The dam stands 33 feet tall and stretches 525 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 250 acre-feet. Completed in 1965, 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 11/30/2010. That was over 15 years ago.

At 33 feet, this dam is taller than 78% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOklahoma
CountyBeckham
Nearest CitySayre
River/StreamTr-starvation Creek
Coordinates35.39698, -99.72137

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length525 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage250 acre-ft
Max Storage250 acre-ft
Normal Storage212 acre-ft
Surface Area8 acres
Max Discharge3,293 cfs
Spillway TypeControlled

Ownership & Safety

PurposeIrrigation
OwnerMARIE ALLISON
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection11/30/2010
Emergency Action PlanNot Required

Identifiers

NID IDOK00010
Federal IDOK00010
More InfoState Dam Safety Program

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