Ione Mill Pond

Big Muddy Creek· Pend Oreille, Washington· Built 1914· Earth·
Low Hazard Recreation Private

Key Takeaway

Ione Mill Pond is classified as low hazard in Washington. It was completed in 1914 and is 112 years old. Its primary use is recreation.

Physical Details

Dam Length1,050 ft
Dam TypeEarth
Max Storage557 acre-ft
Normal Storage500 acre-ft
Surface Area37 acres
Drainage Area29 sq mi
Max Discharge0 cfs
Year Completed1914 (112 years old)
NID IDWA00333

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: Washington Dept of Ecology

Ownership

Vaagen Brothers Lumber

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ione Mill Pond?

Ione Mill Pond 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 Ione Mill Pond?

Ione Mill Pond is owned by Vaagen Brothers Lumber (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ione Mill Pond built?

Ione Mill Pond was completed in 1914, making it 112 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 Ione Mill Pond?

Ione Mill Pond serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

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.