Illicks Mill
Illicks Mill is an earth dam located in Northampton County, Pennsylvania, built in 1850. It carries a Low hazard potential classification and has a fair condition assessment.
About Illicks Mill
The primary purpose of Illicks Mill is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Bethlehem, Parks & Public Property Dept (local government). It impounds the Monocacy Creek.
The dam stands 15 feet tall and stretches 130 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 42 square miles. Completed in 1850, the structure is one of the older dams in the region, with over a century and a half of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 11/12/2020.
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Location
| State | Pennsylvania |
| County | Northampton |
| River/Stream | Monocacy Creek |
| Coordinates | 40.64250, -75.38250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 130 ft |
| Year Completed | 1850 (176 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 42 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | CITY OF BETHLEHEM, PARKS & PUBLIC PROPERTY DEPT |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/12/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA00962 |
| Federal ID | PA00962 |
| More Info | State Dam Safety Program |