Thistle Dam

Thistle Dam is an earth dam located in Pennington County, South Dakota. It carries a Low hazard potential classification.

About Thistle Dam

Thistle Dam is a dam in Pennington, South Dakota. The dam is owned by Doi Nps (federal).

The dam stands 15 feet tall, creates a reservoir covering 11 acres, and has a maximum storage capacity of 55 acre-feet.

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 07/20/2018.

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Low HazardNot Available ConditionEmergency Action Plan: Not Required

Location

StateSouth Dakota
CountyPennington
Coordinates43.82910, -102.15920

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft

Storage & Hydraulics

NID Storage55 acre-ft
Max Storage55 acre-ft
Surface Area11 acres

Ownership & Safety

OwnerDOI NPS
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Available
Last Inspection07/20/2018
Emergency Action PlanNot Required

Identifiers

NID IDSD02611
Federal IDSD02611
More InfoState Dam Safety Program

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