Byron Ponds Dam

Tr-Yakima River· Yakima, Washington· Built 1950· Gravity·
Low Hazard Recreation State Government

Key Takeaway

Byron Ponds Dam is classified as low hazard in Washington. It was completed in 1950 and is 76 years old. Its primary use is recreation.

Physical Details

Dam Length30 ft
Dam TypeGravity
Max Storage200 acre-ft
Normal Storage100 acre-ft
Surface Area50 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1950 (76 years old)
NID IDWA00057

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
Last Inspection: August 14, 2023
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

WA DFW

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Byron Ponds Dam?

Byron Ponds 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 Byron Ponds Dam?

Byron Ponds Dam is owned by WA DFW (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Byron Ponds Dam built?

Byron Ponds Dam was completed in 1950, making it 76 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 Byron Ponds Dam?

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

When was Byron Ponds Dam last inspected?

Byron Ponds Dam was last inspected on August 14, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.

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.