7-B Reservoir

TR-INDIAN CREEK· Garfield, Montana· Built 1945· Earth· 36 ft tall
Low Hazard Irrigation Private

Key Takeaway

7-B Reservoir is classified as low hazard in Montana. It was completed in 1945 and is 81 years old. Its primary use is irrigation.

Physical Details

Dam Height 36 ft (taller than 93.8% in MT)
Dam Length425 ft
Dam TypeEarth
Max Storage200 acre-ft
Normal Storage128 acre-ft
Drainage Area1 sq mi
Max Discharge100 cfs
Year Completed1945 (81 years old)
NID IDMT01002

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: DNRC

Ownership

GLEN C CHILDERS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of 7-B Reservoir?

7-B Reservoir is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates 7-B Reservoir?

7-B Reservoir is owned by GLEN C CHILDERS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was 7-B Reservoir built?

7-B Reservoir was completed in 1945, making it 81 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of 7-B Reservoir?

7-B Reservoir serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is 7-B Reservoir?

7-B Reservoir has a dam height of 36 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.