Olson Flashboard Dam

Significant HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateOregon
CountyYamhill
Nearest CityAMITY
River/StreamASH SWALE
Coordinates45.09376, -123.19069

Physical Characteristics

Dam TypeOther
NID Height16 ft
Dam Height14 ft
Dam Length180 ft
Year Completed1975 (51 years old)

Storage & Hydraulics

NID Storage160 acre-ft
Max Storage160 acre-ft
Normal Storage93 acre-ft
Surface Area13 acres
Drainage Area36 sq mi
Max Discharge5,000 cfs

Ownership & Safety

PurposeIrrigation
OwnerFLYING HILLS FARM
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection10/22/2020
Emergency Action PlanNot Required

Identifiers

NID IDOR00659
Federal IDOR00659
More InfoState Dam Safety Program

Nearby Dams

Olson, Phillip 2-b 0.2 mi Low Freeman Reservoir #3 1.2 mi Low Olson Reservoir (mark) 1.8 mi Significant Stewart Reservoir (polk) 1.9 mi Low Ruddenklau Dam 2.3 mi Low Amity Hills Dam 2.4 mi Significant Deraeve Reservoir #1 (lower) 2.5 mi Significant Vandervelde Lagoon 2.6 mi Low Dragonfly Reservoir 2.6 mi Low Deraeve Reservoir #2 3.0 mi Low