Winlock Waterski Pond Dam

Tr-Coon Creek-Offstream· Lewis, Washington· Built 1990· Earth·
Low Hazard Recreation Private

Key Takeaway

Winlock Waterski Pond Dam is classified as low hazard in Washington. It was completed in 1990 and is 36 years old. Its primary use is recreation.

Physical Details

Dam Length2,000 ft
Dam TypeEarth
Max Storage80 acre-ft
Normal Storage50 acre-ft
Surface Area13 acres
Drainage Area2 sq mi
Max Discharge0 cfs
Year Completed1990 (36 years old)
NID IDWA01699

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

Df Miller Inc

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Winlock Waterski Pond Dam?

Winlock Waterski Pond Dam 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 Winlock Waterski Pond Dam?

Winlock Waterski Pond Dam is owned by Df Miller Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Winlock Waterski Pond Dam built?

Winlock Waterski Pond Dam was completed in 1990, making it 36 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 Winlock Waterski Pond Dam?

Winlock Waterski Pond Dam 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.