York Building Products Pond No. 7 Dam

Principio Creek-TR-OS· Cecil, Maryland· Built 1971· Earth· 30 ft tall

Low Hazard Tailings Private

Key Takeaway

York Building Products Pond No. 7 Dam is classified as low hazard in Maryland. It was completed in 1971 and is 55 years old. Its primary use is tailings.

Physical Details

Dam Height	30 ft (taller than 74.6% in MD)
Dam Length	2,160 ft
Dam Type	Earth
Max Storage	146 acre-ft
Normal Storage	122 acre-ft

Surface Area	12 acres
Drainage Area	0 sq mi
Max Discharge	2,626 cfs
Year Completed	1971 (55 years old)
Year Modified	1971
NID ID	MD00483

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: April 3, 2018

State Regulated: Yes

Regulatory Agency: MD Dam Safety

Ownership

York Building Products Co, Inc.

Private

Nearby Dams

York Bldg Products Settling Pond 9

Cecil, MD

Significant Hazard 43 ft

York Bldg Products Settling Pond 10

Cecil, MD

Significant Hazard 48 ft

York Building Products Pond No. 5

Cecil, MD

Low Hazard 44 ft

York Building Products Pond No. 6

Cecil, MD

Low Hazard 30 ft

York Bldg Products Settling Pond 13

Cecil, MD

Significant Hazard 45 ft

York Bldg Products Settling Pond 11

Cecil, MD

Significant Hazard 51 ft

York Bldg Products Settling Pond 12

Cecil, MD

Significant Hazard 70 ft

Mason-Dixon Water Supply Pond

Cecil, MD

Low Hazard 67 ft

Frequently Asked Questions

What is the hazard classification of York Building Products Pond No. 7 Dam?

York Building Products Pond No. 7 Dam 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 York Building Products Pond No. 7 Dam?

York Building Products Pond No. 7 Dam is owned by York Building Products Co, Inc. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was York Building Products Pond No. 7 Dam built?

York Building Products Pond No. 7 Dam was completed in 1971, making it 55 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 York Building Products Pond No. 7 Dam?

York Building Products Pond No. 7 Dam serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is York Building Products Pond No. 7 Dam?

York Building Products Pond No. 7 Dam has a dam height of 30 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 York Building Products Pond No. 7 Dam last inspected?

York Building Products Pond No. 7 Dam was last inspected on April 3, 2018. 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.