Olson, Phillip 2-B

ASH SWALE, TRIB TO· Yamhill, Oregon· Built 1977· Earth· 18 ft tall
Low Hazard Irrigation Private

Key Takeaway

Olson, Phillip 2-B is classified as low hazard in Oregon. It was completed in 1977 and is 49 years old. Its primary use is irrigation.

Physical Details

Dam Height 18 ft (taller than 25.3% in OR)
Dam Length500 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage50 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge61 cfs
Year Completed1977 (49 years old)
NID IDOR02589

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: May 9, 2017
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

ACMII OREGON 3, LLC DBA: FLYING HILLS FARM

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Olson, Phillip 2-B?

Olson, Phillip 2-B 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 Olson, Phillip 2-B?

Olson, Phillip 2-B is owned by ACMII OREGON 3, LLC DBA: FLYING HILLS FARM (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Olson, Phillip 2-B built?

Olson, Phillip 2-B was completed in 1977, making it 49 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 Olson, Phillip 2-B?

Olson, Phillip 2-B serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Olson, Phillip 2-B?

Olson, Phillip 2-B has a dam height of 18 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Olson, Phillip 2-B last inspected?

Olson, Phillip 2-B was last inspected on May 9, 2017. 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.