Martin County Water District No 1 Dam

ROCKCASTLE CREEK· Martin, Kentucky· Built 1969· Earth· 66 ft tall
High Hazard Water Supply Local Government

Key Takeaway

Martin County Water District No 1 Dam is classified as high hazard in Kentucky. It was completed in 1969 and is 57 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 66 ft (taller than 89.8% in KY)
Dam Length410 ft
Dam TypeEarth
Max Storage800 acre-ft
Normal Storage543 acre-ft
Surface Area22 acres
Drainage Area1 sq mi
Year Completed1969 (57 years old)
NID IDKY00106

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: No
Last Inspection: May 17, 2023
State Regulated: Yes
Regulatory Agency: KY Division of Water

Ownership

MARTIN COUNTY WATER DISTRICT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Martin County Water District No 1 Dam?

Martin County Water District No 1 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 Martin County Water District No 1 Dam?

Martin County Water District No 1 Dam is owned by MARTIN COUNTY WATER DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Martin County Water District No 1 Dam built?

Martin County Water District No 1 Dam was completed in 1969, making it 57 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 Martin County Water District No 1 Dam?

Martin County Water District No 1 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 Martin County Water District No 1 Dam?

Martin County Water District No 1 Dam has a dam height of 66 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 Martin County Water District No 1 Dam last inspected?

Martin County Water District No 1 Dam was last inspected on May 17, 2023. 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.