Big Creek #2 (upper)

Big Creek #2 (upper) is an earth dam located in Lincoln County, Oregon, built in 1970. It carries a High hazard potential classification and has a unsatisfactory condition assessment.

About Big Creek #2 (upper)

The primary purpose of Big Creek #2 (upper) is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Newport (local government). It impounds the Big Creek near Newport.

The dam stands 58 feet tall and stretches 430 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 1,190 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1970, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 06/29/2021.

At 58 feet, this dam is taller than 95% of all dams in the United States.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Oregon dam safety program can provide more specific information about emergency planning for this structure.

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

High HazardUnsatisfactory ConditionEmergency Action Plan: Yes

Location

StateOregon
CountyLincoln
Nearest CityNewport
River/StreamBig Creek
Coordinates44.65738, -124.03150

Physical Characteristics

Dam TypeEarth
NID Height58 ft
Dam Height56 ft
Dam Length430 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage1,190 acre-ft
Max Storage1,190 acre-ft
Normal Storage970 acre-ft
Surface Area30 acres
Drainage Area2 sq mi
Max Discharge2,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCity of Newport
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentUnsatisfactory
Last Inspection06/29/2021
Emergency Action PlanYes

Identifiers

NID IDOR00473
Federal IDOR00473
More InfoState Dam Safety Program

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