Double Dam is an earth dam located in Stanley County, South Dakota, built in 1938. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspection10/12/2006
Height21 ft
Built193888 years ago

Dam profile

NID height · 21 ft
21 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

21 ft tall and 250 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Double Dam

The primary purpose of Double Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Usda Fs (federal). It impounds the Dry Draw near Chamberlain.

The dam stands 21 feet tall and stretches 250 feet across, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1938, 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 10/12/2006. That was over 20 years ago.

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Location

StateSouth Dakota
CountyStanley
Nearest CityChamberlain
River/StreamDry Draw
Coordinates44.25024, -100.11251

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length250 ft
Year Completed1938 (88 years old)

Storage & Hydraulics

NID Storage120 acre-ft
Max Storage120 acre-ft
Normal Storage120 acre-ft
Drainage Area2 sq mi
Max Discharge140 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerUsda Fs
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot assessed
Last Inspection10/12/2006
Emergency Action PlanNot Required

Identifiers

NID IDSD01107
Federal IDSD01107
More InfoState Dam Safety Program