Hamburg Flood Control (Pa-477)

TR MILL CREEK· Berks, Pennsylvania· Built 1965· Earth· 52 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Hamburg Flood Control (Pa-477) is classified as high hazard in Pennsylvania. It was completed in 1965 and is 61 years old. Its primary use is flood risk reduction. 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 52 ft (taller than 85.5% in PA)
Dam Length1,550 ft
Dam TypeEarth
Max Storage371 acre-ft
Normal Storage11 acre-ft
Surface Area3 acres
Drainage Area2 sq mi
Year Completed1965 (61 years old)
NID IDPA00720

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: November 17, 2020
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

BOROUGH OF HAMBURG

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hamburg Flood Control (Pa-477)?

Hamburg Flood Control (Pa-477) 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 Hamburg Flood Control (Pa-477)?

Hamburg Flood Control (Pa-477) is owned by BOROUGH OF HAMBURG (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hamburg Flood Control (Pa-477) built?

Hamburg Flood Control (Pa-477) was completed in 1965, making it 61 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 Hamburg Flood Control (Pa-477)?

Hamburg Flood Control (Pa-477) serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Hamburg Flood Control (Pa-477)?

Hamburg Flood Control (Pa-477) 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 Hamburg Flood Control (Pa-477) last inspected?

Hamburg Flood Control (Pa-477) was last inspected on November 17, 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.