Clark (Custer)

TR-STEIGER CREEK· Custer, Montana· Built 1958· Earth· 16 ft tall
Low Hazard Irrigation Private

Key Takeaway

Clark (Custer) is classified as low hazard in Montana. It was completed in 1958 and is 68 years old. Its primary use is irrigation.

Physical Details

Dam Height 16 ft (taller than 31.7% in MT)
Dam Length240 ft
Dam TypeEarth
Max Storage99 acre-ft
Normal Storage36 acre-ft
Year Completed1958 (68 years old)
NID IDMT01445

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

W WYSS

Private

Nearby Dams

Larson #2

Custer, MT

Low Hazard 19 ft

Larson #3

Custer, MT

Low Hazard 14 ft

French #5

Custer, MT

Low Hazard 17 ft

French #1

Custer, MT

Low Hazard 25 ft

Heckmiller #1

Custer, MT

Low Hazard 20 ft

French #8

Custer, MT

Low Hazard 20 ft

Monarch #3

Custer, MT

Low Hazard 24 ft

French #2

Custer, MT

Low Hazard 30 ft

Frequently Asked Questions

What is the hazard classification of Clark (Custer)?

Clark (Custer) 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 Clark (Custer)?

Clark (Custer) is owned by W WYSS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Clark (Custer) built?

Clark (Custer) was completed in 1958, making it 68 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 Clark (Custer)?

Clark (Custer) 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 Clark (Custer)?

Clark (Custer) has a dam height of 16 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.