Mason Dixon Original Settling Pond

Principio Creek-TR-OS· Cecil, Maryland· Built 1966· Earth· 52 ft tall
Low Hazard Private

Key Takeaway

Mason Dixon Original Settling Pond is classified as low hazard in Maryland. It was completed in 1966 and is 60 years old.

Physical Details

Dam Height 52 ft (taller than 93% in MD)
Dam Length1,390 ft
Dam TypeEarth
Max Storage386 acre-ft
Normal Storage286 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge44 cfs
Year Completed1966 (60 years old)
NID IDMD00115

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 31, 2020
State Regulated: Yes
Regulatory Agency: MD Dam Safety

Ownership

York Building Products Co, Inc.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mason Dixon Original Settling Pond?

Mason Dixon Original Settling Pond 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 Mason Dixon Original Settling Pond?

Mason Dixon Original Settling Pond is owned by York Building Products Co, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mason Dixon Original Settling Pond built?

Mason Dixon Original Settling Pond was completed in 1966, making it 60 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Mason Dixon Original Settling Pond?

Mason Dixon Original Settling Pond has a dam height of 52 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 Mason Dixon Original Settling Pond last inspected?

Mason Dixon Original Settling Pond was last inspected on July 31, 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.