Big (phillips)

Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyPhillips
Nearest CitySACO
River/StreamJOHN BROWN COULEE
Coordinates48.07830, -107.92780

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length600 ft
Year Completed1956 (70 years old)

Storage & Hydraulics

NID Storage98 acre-ft
Max Storage98 acre-ft
Normal Storage84 acre-ft
Drainage Area1 sq mi
Max Discharge1,000 cfs

Ownership & Safety

PurposeIrrigation
OwnerL H BOYCE
Owner TypePrivate
Hazard ClassificationLow
Emergency Action PlanNot Required

Identifiers

NID IDMT01330
Federal IDMT01330
More InfoState Dam Safety Program

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