Thunder Basin No 9

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateWyoming
CountyWeston
Nearest CityEDGEMONT, SD
River/StreamLITTLE FROG CREEK
Coordinates43.58018, -105.00945

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length420 ft
Year Completed1937 (89 years old)

Storage & Hydraulics

NID Storage53 acre-ft
Max Storage53 acre-ft
Normal Storage53 acre-ft
Surface Area6 acres
Drainage Area2 sq mi
Max Discharge2 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerUSDA FS
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection05/26/2011
Emergency Action PlanNot Required

Identifiers

NID IDWY01923
Federal IDWY01923
More InfoState Dam Safety Program

Nearby Dams