Dehart

CLARKS CREEK· Dauphin, Pennsylvania· Built 1940· Earth· 105 ft tall
High Hazard Water Supply Local Government

Key Takeaway

Dehart is classified as high hazard in Pennsylvania. It was completed in 1940 and is 86 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 105 ft (taller than 96.5% in PA)
Dam Length2,000 ft
Dam TypeEarth
Max Storage30.8K acre-ft
Normal Storage23.7K acre-ft
Surface Area592 acres
Drainage Area21 sq mi
Year Completed1940 (86 years old)
NID IDPA00561

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: December 16, 2020
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

CITY OF HARRISBURG, BUREAU OF WATER

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dehart?

Dehart 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 Dehart?

Dehart is owned by CITY OF HARRISBURG, BUREAU OF WATER (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dehart built?

Dehart was completed in 1940, making it 86 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 Dehart?

Dehart 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 Dehart?

Dehart has a dam height of 105 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 Dehart last inspected?

Dehart was last inspected on December 16, 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.