Easterday Reservoir

Easterday Reservoir is an earth dam located in Malheur County, Oregon, built in 1948. It carries a Low hazard potential classification.

About Easterday Reservoir

The primary purpose of Easterday Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bill Williams (private). It impounds the Granite Creek near Riverside.

The dam stands 16 feet tall and stretches 2,350 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 1,243 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1948, the structure is well-established, with more than 75 years of service.

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 08/23/2011. That was over 14 years ago.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyMalheur
Nearest CityRiverside
River/StreamGranite Creek
Coordinates43.52054, -118.00625

Physical Characteristics

Dam TypeEarth
NID Height16 ft
Dam Height14 ft
Dam Length2,350 ft
Year Completed1948 (78 years old)

Storage & Hydraulics

NID Storage1,243 acre-ft
Max Storage1,243 acre-ft
Normal Storage1,044 acre-ft
Surface Area20 acres
Drainage Area7 sq mi
Max Discharge350 cfs

Ownership & Safety

PurposeIrrigation
OwnerBILL WILLIAMS
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection08/23/2011
Emergency Action PlanNot Required

Identifiers

NID IDOR00172
Federal IDOR00172
More InfoState Dam Safety Program

Nearby Dams