Mays

MUDDY CREEK· Jefferson, Oregon· Built 1960· Earth· 37 ft tall
High Hazard Irrigation Private

Key Takeaway

Mays is classified as high hazard in Oregon. It was completed in 1960 and is 66 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 Height 37 ft (taller than 73.9% in OR)
Dam Length400 ft
Dam TypeEarth
Max Storage457 acre-ft
Normal Storage457 acre-ft
Surface Area32 acres
Drainage Area25 sq mi
Max Discharge40 cfs
Year Completed1960 (66 years old)
NID IDOR00355

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: May 8, 2019
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

YOUNG LIFE, C/O JIM FRANK

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mays?

Mays 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 Mays?

Mays is owned by YOUNG LIFE, C/O JIM FRANK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mays built?

Mays was completed in 1960, making it 66 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 Mays?

Mays 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 Mays?

Mays has a dam height of 37 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 Mays last inspected?

Mays was last inspected on May 8, 2019. 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.