Pike Creek Dam

Pike Creek Dam is an earth dam located in Fergus County, Montana, built in 1977. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Pike Creek Dam

The primary purpose of Pike Creek Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Lewistown (local government). It impounds the Pike Creek near Lewistown.

The dam stands 81 feet tall and stretches 801 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 780 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1977, the structure is 49 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/15/2020.

At 81 feet, this dam is taller than 97% of all dams in the United States.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Montana dam safety program can provide more specific information about emergency planning for this structure.

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

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateMontana
CountyFergus
Nearest CityLewistown
River/StreamPike Creek
Coordinates47.03630, -109.35140

Physical Characteristics

Dam TypeEarth
NID Height81 ft
Dam Height57 ft
Dam Length801 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage780 acre-ft
Max Storage780 acre-ft
Normal Storage125 acre-ft
Surface Area35 acres
Drainage Area7 sq mi
Max Discharge9,200 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCITY OF LEWISTOWN
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection06/15/2020
Emergency Action PlanYes

Identifiers

NID IDMT01568
Federal IDMT01568
More InfoState Dam Safety Program

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