Eisenhart Mill

CONEWAGO CREEK· York, Pennsylvania· Built 1919· Concrete· 8 ft tall
Low Hazard Recreation Other Private

Key Takeaway

Eisenhart Mill is classified as low hazard in Pennsylvania. It was completed in 1919 and is 107 years old. Its primary use is recreation.

Physical Details

Dam Height 8 ft (taller than 2.3% in PA)
Dam Length200 ft
Dam TypeConcrete
Max Storage52 acre-ft
Normal Storage52 acre-ft
Surface Area26 acres
Drainage Area402 sq mi
Year Completed1919 (107 years old)
NID IDPA01731

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: May 31, 2017
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

LEE EISENHART

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Eisenhart Mill?

Eisenhart Mill is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Eisenhart Mill?

Eisenhart Mill is owned by LEE EISENHART (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Eisenhart Mill built?

Eisenhart Mill was completed in 1919, making it 107 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 Eisenhart Mill?

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

How tall is Eisenhart Mill?

Eisenhart Mill has a dam height of 8 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 Eisenhart Mill last inspected?

Eisenhart Mill was last inspected on May 31, 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.