Simplot Hermiston #2 (lagoon)

Simplot Hermiston #2 (lagoon) is an earth dam located in Umatilla County, Oregon, built in 2002. It carries a Low hazard potential classification.

About Simplot Hermiston #2 (lagoon)

Simplot Hermiston #2 (lagoon) is a dam in Umatilla, Oregon. The dam is owned by Jr Simplot Company (private). It impounds the Off Channel near Echo.

The dam stands 32 feet tall, creates a reservoir covering 15 acres, and has a storage capacity of 353 acre-feet. Completed in 2002, the structure is relatively new.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 03/22/2018.

At 32 feet, this dam is taller than 76% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyUmatilla
Nearest CityEcho
River/StreamOff Channel
Coordinates45.70145, -119.30219

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Year Completed2002 (24 years old)

Storage & Hydraulics

NID Storage353 acre-ft
Normal Storage353 acre-ft
Surface Area15 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerJR SIMPLOT COMPANY
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection03/22/2018
Emergency Action PlanNot Required

Identifiers

NID IDOR03809
Federal IDOR03809
More InfoState Dam Safety Program

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