Tesoro Water Storage Reservoir

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateWashington
CountySkagit
River/Streamoffstream
Coordinates48.47973, -122.56052

Physical Characteristics

Dam TypeEarth
NID Height11 ft
Dam Length1,455 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage47 acre-ft
Max Storage47 acre-ft
Normal Storage37 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge163 cfs

Ownership & Safety

PurposeWater Supply
OwnerTesoro Refining and Marketing Co.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection09/24/2020
Emergency Action PlanYes

Identifiers

NID IDWA01968
Federal IDWA01968
More InfoState Dam Safety Program

Nearby Dams

Shell Refinery Water Storage Reservoir 0.2 mi Low Whistle Lake Dam 2.7 mi High Cranberry Lake Dam 4.2 mi High Islewood Dam 4.7 mi High Minckler Dam B 11.1 mi High Minckler Dam A 11.1 mi High Woodcrest Lakes Dam 11.6 mi Low Wade Dann Waterski Pond Dam 11.9 mi Low Spencer Lake 12.6 mi Low Oak Harbor Wastewater Lagoon Nw Cell 12.7 mi Low