Illicks Mill

MONOCACY CREEK· Northampton, Pennsylvania· Built 1850· Earth· 15 ft tall
Low Hazard Recreation Other Local Government

Key Takeaway

Illicks Mill is classified as low hazard in Pennsylvania. It was completed in 1850 and is 176 years old. Its primary use is recreation.

Physical Details

Dam Height 15 ft (taller than 27.6% in PA)
Dam Length130 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage20 acre-ft
Surface Area5 acres
Drainage Area42 sq mi
Year Completed1850 (176 years old)
NID IDPA00962

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: November 12, 2020
State Regulated: Yes
Regulatory Agency: Pennsylvania Department of Environmental Protection

Ownership

CITY OF BETHLEHEM, PARKS & PUBLIC PROPERTY DEPT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Illicks Mill?

Illicks Mill 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 Illicks Mill?

Illicks Mill is owned by CITY OF BETHLEHEM, PARKS & PUBLIC PROPERTY DEPT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Illicks Mill built?

Illicks Mill was completed in 1850, making it 176 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 Illicks Mill?

Illicks Mill serves the following purposes: Recreation, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Illicks Mill?

Illicks Mill has a dam height of 15 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 Illicks Mill last inspected?

Illicks Mill was last inspected on November 12, 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.