Mathies Mine Refuse Area Pond #2 is an earth dam located in Washington County, Pennsylvania, built in 1982. It carries a High hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 300 ft300 ft tall and 3,100 ft long, taller than 99% of U.S. dams with a recorded height. Height is drawn to scale against the Statue of Liberty, 305 ft ground to torch; the profile is a generic embankment section and the water level is illustrative.
About Mathies Mine Refuse Area Pond #2
Mathies Mine Refuse Area Pond #2 is a dam in Washington, Pennsylvania. The dam is owned by Canestrale Environmental Control Corp (private). It impounds the Tr Mingo Creek.
The dam stands 300 feet tall and stretches 3,100 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 407 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1982, the structure is 44 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 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 04/01/2021.
At 300 feet, this dam is taller than 99% of all dams in the United States.
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 | Washington |
| River/Stream | Tr Mingo Creek |
| Coordinates | 40.21222, -79.97389 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 300 ft |
| Dam Height | 300 ft |
| Dam Length | 3,100 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 407 acre-ft |
| Max Storage | 407 acre-ft |
| Normal Storage | 281 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Canestrale Environmental Control Corp |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 04/01/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA01386 |
| Federal ID | PA01386 |
| More Info | State Dam Safety Program |