Morrisdale Mine

EMIGH RUN· Clearfield, Pennsylvania· Built 1919· Earth· 12 ft tall
Low Hazard Recreation Private

Key Takeaway

Morrisdale Mine 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 12 ft (taller than 16% in PA)
Dam Length570 ft
Dam TypeEarth
Max Storage90 acre-ft
Normal Storage61 acre-ft
Surface Area13 acres
Drainage Area5 sq mi
Year Completed1919 (107 years old)
NID IDPA00428

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: July 11, 2019
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

DOROTHY HESS SULLIVAN

Private

Nearby Dams

Cold Stream

Centre, PA

High Hazard 15 ft

Philipsburg No 3 (Upper)

Centre, PA

High Hazard 17 ft

Kephart

Centre, PA

High Hazard 20 ft

Ramey

Clearfield, PA

Low Hazard 17 ft

Frequently Asked Questions

What is the hazard classification of Morrisdale Mine?

Morrisdale Mine 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 Morrisdale Mine?

Morrisdale Mine is owned by DOROTHY HESS SULLIVAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Morrisdale Mine built?

Morrisdale Mine 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 Morrisdale Mine?

Morrisdale Mine 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 Morrisdale Mine?

Morrisdale Mine has a dam height of 12 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 Morrisdale Mine last inspected?

Morrisdale Mine was last inspected on July 11, 2019. 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.