Township Line (airport Road)
Township Line (airport Road) is an earth dam located in Chester County, Pennsylvania, built in 1935. It carries a High hazard potential classification and has a fair condition assessment.
About Township Line (airport Road)
The primary purpose of Township Line (airport Road) is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Aqua Pennsylvania, Inc. (private). It impounds the East Branch Chester Creek.
The dam stands 34 feet tall and stretches 530 feet across, creates a reservoir covering 65 acres, has a maximum storage capacity of 1,150 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.
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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 11/20/2019.
At 34 feet, this dam is taller than 80% of dams nationwide.
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 | Chester |
| River/Stream | East Branch Chester Creek |
| Coordinates | 39.98528, -75.57167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 530 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 1,150 acre-ft |
| Max Storage | 1,150 acre-ft |
| Normal Storage | 597 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | AQUA PENNSYLVANIA, INC. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 11/20/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA00625 |
| Federal ID | PA00625 |
| More Info | State Dam Safety Program |