Hellinger

WILLOW CREEK· Toole, Montana· Built 1935· Earth· 10 ft tall
Significant Hazard Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

Hellinger is classified as significant hazard in Montana. It was completed in 1935 and is 91 years old. Its primary use is fire protection. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 10 ft (taller than 3.7% in MT)
Dam Length525 ft
Dam TypeEarth
Max Storage30 acre-ft
Normal Storage18 acre-ft
Year Completed1935 (91 years old)
NID IDMT00399

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

HELLINGER BROS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hellinger?

Hellinger is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Hellinger?

Hellinger is owned by HELLINGER BROS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hellinger built?

Hellinger was completed in 1935, making it 91 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 Hellinger?

Hellinger serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Hellinger?

Hellinger has a dam height of 10 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.