Beaver Creek (pa-433)
Beaver Creek (pa-433) is an earth dam located in Chester County, Pennsylvania, built in 1975. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Beaver Creek (pa-433)
The primary purpose of Beaver Creek (pa-433) 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 Chester County Water Resources Authority (local government). It impounds the Beaver Creek.
The dam stands 36 feet tall and stretches 1,370 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 1,410 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1975, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 09/01/2020.
At 36 feet, this dam is taller than 83% 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 | Beaver Creek |
| Coordinates | 40.03000, -75.78333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 1,370 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 1,410 acre-ft |
| Max Storage | 1,410 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 3 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CHESTER COUNTY WATER RESOURCES AUTHORITY |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/01/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA00903 |
| Federal ID | PA00903 |
| More Info | State Dam Safety Program |