Big (toole)

Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyToole
Nearest CityGALATA
River/StreamKINYON COULEE
Coordinates48.67070, -111.27960

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Height12 ft
Dam Length390 ft
Year Completed1900 (126 years old)

Storage & Hydraulics

NID Storage105 acre-ft
Max Storage105 acre-ft
Normal Storage21 acre-ft
Drainage Area7 sq mi
Max Discharge100 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerHAROLD E. HENRY, ESTATE OF
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDMT00391
Federal IDMT00391
More InfoState Dam Safety Program

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