Helen Smith

Helen Smith is an earth dam located in Roger Mills County, Oklahoma, built in 1986. It carries a Low hazard potential classification.

About Helen Smith

Helen Smith is a dam in Roger Mills, Oklahoma. The dam is owned by Helen Smith (private). It impounds the Tr-washita River near Hammon.

The dam stands 30 feet tall and stretches 187 feet across, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1986, the structure is 40 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 11/29/2010. That was over 15 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOklahoma
CountyRoger Mills
Nearest CityHammon
River/StreamTr-washita River
Coordinates35.79317, -99.55839

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Dam Length187 ft
Year Completed1986 (40 years old)

Storage & Hydraulics

NID Storage68 acre-ft
Max Storage68 acre-ft
Normal Storage14 acre-ft
Drainage Area0 sq mi
Max Discharge1,212 cfs
Spillway TypeControlled

Ownership & Safety

PurposeOther
OwnerHELEN SMITH
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection11/29/2010
Emergency Action PlanNot Required

Identifiers

NID IDOK03032
Federal IDOK03032
More InfoState Dam Safety Program

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