Potter Irrigation (Broadwater)

SPOKANE CREEK· Broadwater, Montana· Built 1953· Earth· 28 ft tall

Low Hazard Irrigation Private

Key Takeaway

Potter Irrigation (Broadwater) is classified as low hazard in Montana. It was completed in 1953 and is 73 years old. Its primary use is irrigation.

Physical Details

Dam Height	28 ft (taller than 80.9% in MT)
Dam Length	690 ft
Dam Type	Earth
Max Storage	95 acre-ft
Normal Storage	74 acre-ft

Surface Area	10 acres
Drainage Area	18 sq mi
Max Discharge	1,360 cfs
Year Completed	1953 (73 years old)
NID ID	MT00200

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

M.O. POTTER

Private

Nearby Dams

Northern Pacific Reservoir Dam

Jefferson, MT

High Hazard 35 ft

Frequently Asked Questions

What is the hazard classification of Potter Irrigation (Broadwater)?

Potter Irrigation (Broadwater) 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 Potter Irrigation (Broadwater)?

Potter Irrigation (Broadwater) is owned by M.O. POTTER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Potter Irrigation (Broadwater) built?

Potter Irrigation (Broadwater) was completed in 1953, making it 73 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 Potter Irrigation (Broadwater)?

Potter Irrigation (Broadwater) 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 Potter Irrigation (Broadwater)?

Potter Irrigation (Broadwater) has a dam height of 28 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.