Terra Alta Lake

Terra Alta Lake is a rockfill dam located in Preston County, West Virginia, built in 1820. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Terra Alta Lake

The primary purpose of Terra Alta Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Camp Galilee, Inc. (private). It impounds the Snowy Creek near Terra Alta.

The dam stands 15 feet tall and stretches 147 feet across, creates a reservoir covering 31 acres, has a maximum storage capacity of 188 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1820, the structure is one of the older dams in the region, with over a century and a half of service.

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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/30/2023.

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 West Virginia 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 HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateWest Virginia
CountyPreston
Nearest CityTerra Alta
River/StreamSnowy Creek
Coordinates39.45500, -79.51750

Physical Characteristics

Dam TypeRockfill
NID Height15 ft
Dam Height15 ft
Dam Length147 ft
Year Completed1820 (206 years old)

Storage & Hydraulics

NID Storage188 acre-ft
Max Storage188 acre-ft
Normal Storage144 acre-ft
Surface Area31 acres
Drainage Area4 sq mi

Ownership & Safety

PurposeRecreation
OwnerCAMP GALILEE, INC.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection04/30/2023
Emergency Action PlanYes

Identifiers

NID IDWV07721
Federal IDWV07721
More InfoState Dam Safety Program

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