Iverson Retention Dam

Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyPetroleum
Nearest CityMOSBY
River/StreamFLATWILLOW CK./MUSSELSHELL RIV
Coordinates46.77997, -108.52113

Physical Characteristics

Dam TypeGravity
NID Height22 ft
Dam Length306 ft
Year Completed1968 (58 years old)

Storage & Hydraulics

NID Storage66 acre-ft
Max Storage66 acre-ft
Surface Area11 acres
Spillway TypeControlled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerDOI BLM
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection08/09/2010
Emergency Action PlanNot Required

Identifiers

NID IDMT03079
Federal IDMT03079
More InfoState Dam Safety Program

Nearby Dams

Eliasson (petroleum) 2.2 mi Low Ivy #3 4.1 mi Low Zimmerman Retention Dam #1 4.6 mi Low Sharkey #1 6.7 mi Low Little Wall 7.7 mi Low Ivy 7.7 mi Low Spring Creek Irrigation (fergus) 8.6 mi Low Yellow Water Main Dam 8.8 mi High Yellow Water Dike 9.0 mi High Willow (musselshell) 9.1 mi Low