Orchards Block 92 Dam

Unnamed Tr - Snake R.· Walla Walla, Washington· Built 1992· Earth·
Low Hazard Irrigation Private

Key Takeaway

Orchards Block 92 Dam is classified as low hazard in Washington. It was completed in 1992 and is 34 years old. Its primary use is irrigation.

Physical Details

Dam Length475 ft
Dam TypeEarth
Max Storage54 acre-ft
Normal Storage45 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge24 cfs
Year Completed1992 (34 years old)
NID IDWA01861

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: December 7, 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 92 Dam?

Orchards Block 92 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 Orchards Block 92 Dam?

Orchards Block 92 Dam is owned by FirstFruits (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Orchards Block 92 Dam built?

Orchards Block 92 Dam was completed in 1992, making it 34 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 92 Dam?

Orchards Block 92 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 92 Dam last inspected?

Orchards Block 92 Dam was last inspected on December 7, 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.