Aylesworth Creek Dam - Mayfield Dike
Aylesworth Creek Dam - Mayfield Dike is a rockfill dam located in Lackawanna County, Pennsylvania, built in 1970. It carries a High hazard potential classification.
About Aylesworth Creek Dam - Mayfield Dike
The primary purpose of Aylesworth Creek Dam - Mayfield Dike is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Usace - Baltimore District (federal). It impounds the Aylesworth Creek near East Jermyn.
The dam stands 28 feet tall and stretches 390 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 3,178 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1970, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 07/19/2019.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Pennsylvania dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Pennsylvania |
| County | Lackawanna |
| Nearest City | East Jermyn |
| River/Stream | Aylesworth Creek |
| Coordinates | 41.52899, -75.51999 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 390 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 3,178 acre-ft |
| Max Storage | 3,178 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 10,000 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | USACE - Baltimore District |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 07/19/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA00001 |
| Federal ID | PA00001S001 |
| More Info | State Dam Safety Program |