Tyrone Reservoir #2
Tyrone Reservoir #2 is an earth dam located in Blair County, Pennsylvania, built in 1912. It carries a High hazard potential classification and has a fair condition assessment.
About Tyrone Reservoir #2
The primary purpose of Tyrone Reservoir #2 is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Tyrone Borough (local government). It impounds the Sink Run.
The dam stands 51 feet tall and stretches 820 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 575 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1912, the structure is over a century 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 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 08/12/2020.
At 51 feet, this dam is taller than 93% 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 | Blair |
| River/Stream | Sink Run |
| Coordinates | 40.68972, -78.27028 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 51 ft |
| Dam Height | 51 ft |
| Dam Length | 820 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 575 acre-ft |
| Max Storage | 575 acre-ft |
| Normal Storage | 460 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 5 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | TYRONE BOROUGH |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 08/12/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA00535 |
| Federal ID | PA00535 |
| More Info | State Dam Safety Program |