Mckay Acres Dam

Mckay Acres Dam is an earth dam located in Marion County, Oregon, built in 1968. It carries a Low hazard potential classification.

About Mckay Acres Dam

The primary purpose of Mckay Acres Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Mark Mckay (private). It impounds the Champoeg near Butteville.

The dam stands 17 feet tall and stretches 130 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 510 acre-feet, and collects water from a drainage area of 15 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.

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 03/16/2016. That was over 10 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyMarion
Nearest CityButteville
River/StreamChampoeg
Coordinates45.19985, -122.91935

Physical Characteristics

Dam TypeEarth
NID Height17 ft
Dam Height15 ft
Dam Length130 ft
Year Completed1968 (58 years old)

Storage & Hydraulics

NID Storage510 acre-ft
Max Storage510 acre-ft
Normal Storage461 acre-ft
Surface Area32 acres
Drainage Area15 sq mi
Max Discharge410 cfs

Ownership & Safety

PurposeIrrigation
OwnerMARK MCKAY
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection03/16/2016
Emergency Action PlanNot Required

Identifiers

NID IDOR00484
Federal IDOR00484
More InfoState Dam Safety Program

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