Horton Dam

EAST RIVER· Mercer, West Virginia· Built 1929· Buttress· 76 ft tall
High Hazard Water Supply Public Utility

Key Takeaway

Horton Dam is classified as high hazard in West Virginia. It was completed in 1929 and is 97 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 76 ft (taller than 77.5% in WV)
Dam Length269 ft
Dam TypeButtress
Max Storage432 acre-ft
Normal Storage384 acre-ft
Surface Area16 acres
Drainage Area1 sq mi
Year Completed1929 (97 years old)
NID IDWV05523

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: March 20, 2018
State Regulated: Yes
Regulatory Agency: DWWM

Ownership

WEST VIRGINIA AMERICAN WATER COMPANY

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Horton Dam?

Horton Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Horton Dam?

Horton Dam is owned by WEST VIRGINIA AMERICAN WATER COMPANY (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Horton Dam built?

Horton Dam was completed in 1929, making it 97 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 Horton Dam?

Horton Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Horton Dam?

Horton Dam has a dam height of 76 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 Horton Dam last inspected?

Horton Dam was last inspected on March 20, 2018. 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.