Sunny Dene Dairy Waste Pond

Mabton West Lateral· Yakima, Washington· Built 2004· Earth·
Significant Hazard Other Private

Key Takeaway

Sunny Dene Dairy Waste Pond is classified as significant hazard in Washington. It was completed in 2004 and is 22 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length335 ft
Dam TypeEarth
Max Storage30 acre-ft
Normal Storage23 acre-ft
Drainage Area35 sq mi
Max Discharge82 cfs
Year Completed2004 (22 years old)
NID IDWA01872

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: No
Last Inspection: April 15, 2023
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Sunny Dene Ranch LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sunny Dene Dairy Waste Pond?

Sunny Dene Dairy Waste Pond is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Sunny Dene Dairy Waste Pond?

Sunny Dene Dairy Waste Pond is owned by Sunny Dene Ranch LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sunny Dene Dairy Waste Pond built?

Sunny Dene Dairy Waste Pond was completed in 2004, making it 22 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 Sunny Dene Dairy Waste Pond?

Sunny Dene Dairy Waste Pond serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Sunny Dene Dairy Waste Pond last inspected?

Sunny Dene Dairy Waste Pond was last inspected on April 15, 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.