Emerald No. 2 Back Valley Western
Emerald No. 2 Back Valley Western is an earth dam located in Greene County, Pennsylvania. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Emerald No. 2 Back Valley Western
Emerald No. 2 Back Valley Western is a dam in Greene, Pennsylvania. The dam is owned by Emerald Contura Llc (private). It impounds the Tr South Fork Tenmile Creek.
The dam stands 90 feet tall and stretches 1,820 feet across, has a maximum storage capacity of 7,272 acre-feet, and collects water from a drainage area of 0 square miles.
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 03/19/2021.
At 90 feet, this dam is taller than 98% 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 | Greene |
| River/Stream | Tr South Fork Tenmile Creek |
| Coordinates | 39.88556, -80.21028 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 90 ft |
| Dam Height | 90 ft |
| Dam Length | 1,820 ft |
Storage & Hydraulics
| NID Storage | 7,272 acre-ft |
| Max Storage | 7,272 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | EMERALD CONTURA LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/19/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA01761 |
| Federal ID | PA01761 |
| More Info | State Dam Safety Program |