Seneca Lake

LITTLE THORNY CREEK· Pocahontas, West Virginia· Built 1952· Earth· 23 ft tall
Significant Hazard Fish And Wildlife Pond Recreation State Government

Key Takeaway

Seneca Lake is classified as significant hazard in West Virginia. It was completed in 1952 and is 74 years old. Its primary use is fish and wildlife pond. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 23 ft (taller than 12.3% in WV)
Dam Length200 ft
Dam TypeEarth
Max Storage78 acre-ft
Normal Storage40 acre-ft
Surface Area4 acres
Drainage Area1 sq mi
Max Discharge1,017 cfs
Year Completed1952 (74 years old)
NID IDWV07505

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: June 6, 2017
State Regulated: Yes
Regulatory Agency: DWWM

Ownership

WVDNR, PARKS

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Seneca Lake?

Seneca Lake is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Seneca Lake?

Seneca Lake is owned by WVDNR, PARKS (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Seneca Lake built?

Seneca Lake was completed in 1952, making it 74 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Seneca Lake?

Seneca Lake serves the following purposes: Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Seneca Lake?

Seneca Lake has a dam height of 23 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Seneca Lake last inspected?

Seneca Lake was last inspected on June 6, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.