Knight

PERKIOMEN CREEK· Montgomery, Pennsylvania· Built 1960· Concrete· 22 ft tall
High Hazard Recreation Local Government

Key Takeaway

Knight is classified as high hazard in Pennsylvania. It was completed in 1960 and is 66 years old. Its primary use is recreation. 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 22 ft (taller than 48.9% in PA)
Dam Length415 ft
Dam TypeConcrete
Max Storage479 acre-ft
Normal Storage170 acre-ft
Surface Area34 acres
Drainage Area95 sq mi
Year Completed1960 (66 years old)
NID IDPA00395

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: August 13, 2020
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

MONTGOMERY COUNTY COMMISSIONERS, PARKS AND HERITAGE SERVICES

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Knight?

Knight 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 Knight?

Knight is owned by MONTGOMERY COUNTY COMMISSIONERS, PARKS AND HERITAGE SERVICES (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Knight built?

Knight was completed in 1960, making it 66 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 Knight?

Knight 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 Knight?

Knight has a dam height of 22 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 Knight last inspected?

Knight was last inspected on August 13, 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.