Mine No 84 - Pond 6 Main
Mine No 84 - Pond 6 Main is an earth dam located in Washington County, Pennsylvania, built in 1980. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Mine No 84 - Pond 6 Main
Mine No 84 - Pond 6 Main is a dam in Washington, Pennsylvania. The dam is owned by Washington County Coal Company (private). It impounds the Tr Pigeon Creek.
The dam stands 185 feet tall and stretches 2,900 feet across, creates a reservoir covering 85 acres, has a maximum storage capacity of 6,576 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1980, the structure is 46 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 12/15/2020.
At 185 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 Pigeon Creek |
| Coordinates | 40.14833, -80.05861 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 185 ft |
| Dam Height | 185 ft |
| Dam Length | 2,900 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 6,576 acre-ft |
| Max Storage | 6,576 acre-ft |
| Normal Storage | 6,098 acre-ft |
| Surface Area | 85 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | WASHINGTON COUNTY COAL COMPANY |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/15/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA01145 |
| Federal ID | PA01145 |
| More Info | State Dam Safety Program |