Sd Noname 12

Sd Noname 12 is an earth dam located in Pennington County, South Dakota, built in 1952. It carries a Low hazard potential classification.

About Sd Noname 12

The primary purpose of Sd Noname 12 is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by S&pl (state). It impounds the Tr-rapid Creek.

The dam stands 17 feet tall and stretches 290 feet across, and has a maximum storage capacity of 102 acre-feet. Completed in 1952, 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 05/21/2008. That was over 17 years ago.

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Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateSouth Dakota
CountyPennington
Nearest CityNone
River/StreamTr-rapid Creek
Coordinates43.95993, -102.80736

Physical Characteristics

Dam TypeEarth
NID Height17 ft
Dam Height17 ft
Dam Length290 ft
Year Completed1952 (74 years old)

Storage & Hydraulics

NID Storage102 acre-ft
Max Storage102 acre-ft
Normal Storage62 acre-ft
Max Discharge442 cfs

Ownership & Safety

PurposeWater Supply
OwnerS&PL
Owner TypeState
Hazard ClassificationLow
Last Inspection05/21/2008
Emergency Action PlanNot Required

Identifiers

NID IDSD00994
Federal IDSD00994
More InfoState Dam Safety Program

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