Larsen Lyman 1

Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateSouth Dakota
CountyPennington
Nearest CityNONE
River/StreamTR CHEYENNE
Coordinates43.82999, -102.46666

Physical Characteristics

Dam TypeEarth
NID Height23 ft
Dam Height23 ft
Dam Length300 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage120 acre-ft
Max Storage120 acre-ft
Normal Storage90 acre-ft
Max Discharge625 cfs

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerWALTER E. WITCHER
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDSD01922
Federal IDSD01922
More InfoState Dam Safety Program

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