Little Bunny Detention Dam

Little Bunny Detention Dam is a gravity dam located in Phillips County, Montana, built in 1967. It carries a Low hazard potential classification and has a fair condition assessment.

About Little Bunny Detention Dam

The primary purpose of Little Bunny Detention Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Doi Blm (federal). It impounds the Rock Ck./missouri River near Fort Peck.

The dam stands 24 feet tall and stretches 996 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 215 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/15/2016.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyPhillips
Nearest CityFort Peck
River/StreamRock Ck./missouri River
Coordinates47.73914, -108.61886

Physical Characteristics

Dam TypeGravity
NID Height24 ft
Dam Length996 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage215 acre-ft
Max Storage215 acre-ft
Surface Area23 acres
Drainage Area3 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerDOI BLM
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection08/15/2016
Emergency Action PlanNot Required

Identifiers

NID IDMT03927
Federal IDMT03927
More InfoState Dam Safety Program

Nearby Dams