Penn E&R has more than 60 years of combined experience assisting the coal and aggregate mining industries. Our seasoned engineers and scientists provide a full range of services, and we pride ourselves on being responsive to the time-sensitive activities of this industry. Our experience includes:
- Comprehensive permitting services – Mine plan, air shaft, dams and encroachments, stormwater management, National Pollutant Discharge Elimination System, air, wetlands, etc.
- Design, construction, operation, and maintenance of acid mine drainage treatment systems
- Subsidence evaluations and investigations
- Structural surveys
- Stream surveys
- Wetland determination, delineation, and restoration
- Water supply inventories
- Landslide evaluation and remediation
- Fluvial geomorphology
- Stream restoration and stream bank stabilization
- Water supply and water and wastewater treatment services
- Refuse and slurry impoundment permitting and design
- Waste cell construction and capping
- Geotechnical design and siting of surface facilities
- Geological and hydrogeological investigations
- Ground water and surface water monitoring
- Mine discharge monitoring
- Ground water modeling
- Compliance audits
