Van Conklin Dam #4

UNNAMED, TRIB/WHITE RIVER· Wasco, Oregon· Built 1999· Earth· 18 ft tall
Low Hazard Irrigation Private

Key Takeaway

Van Conklin Dam #4 is classified as low hazard in Oregon. It was completed in 1999 and is 27 years old. Its primary use is irrigation.

Physical Details

Dam Height 18 ft (taller than 25.3% in OR)
Dam Length0 ft
Dam TypeEarth
Max Storage0 acre-ft
Normal Storage81 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1999 (27 years old)
NID IDOR03826

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: October 9, 2020
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

ROCKY RIDGE RANCH, INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Van Conklin Dam #4?

Van Conklin Dam #4 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 Van Conklin Dam #4?

Van Conklin Dam #4 is owned by ROCKY RIDGE RANCH, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Van Conklin Dam #4 built?

Van Conklin Dam #4 was completed in 1999, making it 27 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 Van Conklin Dam #4?

Van Conklin Dam #4 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 Van Conklin Dam #4?

Van Conklin Dam #4 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 Van Conklin Dam #4 last inspected?

Van Conklin Dam #4 was last inspected on October 9, 2020. 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.