Sunny Dene Dairy Waste Pond

Sunny Dene Dairy Waste Pond is an earth dam located in Yakima County, Washington, built in 2004. It carries a Significant hazard potential classification and has a fair condition assessment.

About Sunny Dene Dairy Waste Pond

Sunny Dene Dairy Waste Pond is a dam in Yakima, Washington. The dam is owned by Sunny Dene Ranch Llc (private). It impounds the Mabton West Lateral near Mabton.

The dam stands 21 feet tall and stretches 335 feet across, has a maximum storage capacity of 30 acre-feet, and collects water from a drainage area of 35 square miles. Completed in 2004, the structure is relatively new.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/12/2017.

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Significant HazardFair ConditionEmergency Action Plan: No

Location

StateWashington
CountyYakima
Nearest CityMabton
River/StreamMabton West Lateral
Coordinates46.16770, -120.03804

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Length335 ft
Year Completed2004 (22 years old)

Storage & Hydraulics

NID Storage30 acre-ft
Max Storage30 acre-ft
Normal Storage23 acre-ft
Drainage Area35 sq mi
Max Discharge82 cfs

Ownership & Safety

PurposeOther
OwnerSunny Dene Ranch LLC
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection04/12/2017
Emergency Action PlanNo

Identifiers

NID IDWA01872
Federal IDWA01872
More InfoState Dam Safety Program

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