Mclean Dam (Hill)

DOG COULEE· Hill, Montana· Built 1899· Earth· 25 ft tall
Low Hazard Irrigation Private

Key Takeaway

Mclean Dam (Hill) is classified as low hazard in Montana. It was completed in 1899 and is 127 years old. Its primary use is irrigation.

Physical Details

Dam Height 25 ft (taller than 70.3% in MT)
Dam Length520 ft
Dam TypeEarth
Max Storage257 acre-ft
Normal Storage152 acre-ft
Year Completed1899 (127 years old)
NID IDMT00291

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

METZGER LAND & LIVESTOCK

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mclean Dam (Hill)?

Mclean Dam (Hill) 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 Mclean Dam (Hill)?

Mclean Dam (Hill) is owned by METZGER LAND & LIVESTOCK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mclean Dam (Hill) built?

Mclean Dam (Hill) was completed in 1899, making it 127 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 Mclean Dam (Hill)?

Mclean Dam (Hill) 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 Mclean Dam (Hill)?

Mclean Dam (Hill) has a dam height of 25 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.