Lake Stonycreek
Lake Stonycreek is an earth dam located in Somerset County, Pennsylvania, built in 1960. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Lake Stonycreek
The primary purpose of Lake Stonycreek is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Stonycreek Valley Development Corporation (private). It impounds the Rhoads Creek.
The dam stands 31 feet tall and stretches 900 feet across, creates a reservoir covering 170 acres, has a maximum storage capacity of 6,050 acre-feet, and collects water from a drainage area of 26 square miles. Completed in 1960, 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 09/08/2020.
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 | Somerset |
| River/Stream | Rhoads Creek |
| Coordinates | 40.02028, -78.89167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 900 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 6,050 acre-ft |
| Max Storage | 6,050 acre-ft |
| Normal Storage | 2,000 acre-ft |
| Surface Area | 170 acres |
| Drainage Area | 26 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | STONYCREEK VALLEY DEVELOPMENT CORPORATION |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/08/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA00227 |
| Federal ID | PA00227 |
| More Info | State Dam Safety Program |