Orchards Block 96 Reservoir Dam

Snake River· Walla Walla, Washington· Built 2001· Earth·
High Hazard Irrigation Private

Key Takeaway

Orchards Block 96 Reservoir Dam is classified as high hazard in Washington. It was completed in 2001 and is 25 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam TypeEarth
Max Storage58 acre-ft
Normal Storage50 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge360 cfs
Year Completed2001 (25 years old)
Year Modified2001
NID IDWA01839

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: November 29, 2023
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

FirstFruits

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Orchards Block 96 Reservoir Dam?

Orchards Block 96 Reservoir Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Orchards Block 96 Reservoir Dam?

Orchards Block 96 Reservoir Dam is owned by FirstFruits (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Orchards Block 96 Reservoir Dam built?

Orchards Block 96 Reservoir Dam was completed in 2001, making it 25 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 Orchards Block 96 Reservoir Dam?

Orchards Block 96 Reservoir Dam serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Orchards Block 96 Reservoir Dam last inspected?

Orchards Block 96 Reservoir Dam was last inspected on November 29, 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.