Lammers #1

UT, Careless Creek· Wheatland, Montana· Built 1984· 25 ft tall
Low Hazard Irrigation Private

Key Takeaway

Lammers #1 is classified as low hazard in Montana. It was completed in 1984 and is 42 years old. Its primary use is irrigation.

Physical Details

Dam Height 25 ft (taller than 70.3% in MT)
Dam Length670 ft
Max Storage292 acre-ft
Normal Storage292 acre-ft
Surface Area34 acres
Drainage Area1 sq mi
Year Completed1984 (42 years old)
NID IDMT03981

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

WILKS RANCH MONTANA LTD

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lammers #1?

Lammers #1 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 Lammers #1?

Lammers #1 is owned by WILKS RANCH MONTANA LTD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lammers #1 built?

Lammers #1 was completed in 1984, making it 42 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 Lammers #1?

Lammers #1 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 Lammers #1?

Lammers #1 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.