Cloe Lake

JACKSON RUN· Jefferson, Pennsylvania· Built 1909· Earth· 43 ft tall
High Hazard Recreation State Government

Key Takeaway

Cloe Lake is classified as high hazard in Pennsylvania. It was completed in 1909 and is 117 years old. Its primary use is recreation. 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 43 ft (taller than 79.6% in PA)
Dam Length800 ft
Dam TypeEarth
Max Storage590 acre-ft
Normal Storage350 acre-ft
Surface Area26 acres
Drainage Area3 sq mi
Year Completed1909 (117 years old)
NID IDPA00421

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: October 13, 2020
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

PA FISH & BOAT COMMISSION

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cloe Lake?

Cloe Lake 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 Cloe Lake?

Cloe Lake is owned by PA FISH & BOAT COMMISSION (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cloe Lake built?

Cloe Lake was completed in 1909, making it 117 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 Cloe Lake?

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

How tall is Cloe Lake?

Cloe Lake has a dam height of 43 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 Cloe Lake last inspected?

Cloe Lake was last inspected on October 13, 2020. 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.