Complaint Date | | Docket Number | | Case Name | | Statute | | Region |
09/12/2006 | | RCRA-03-2006-0059 | | Kessel Lumber Supply, Inc. | | RCRA | | Region 03 |
06/04/2009 | | CAA-03-2009-0189 | | School District of Upper Dublin, One Source Safety and Health, Inc., S... | | CAA | | Region 03 |
03/26/2015 | | TSCA-03-2015-0042 | | Robert W. Heh, Jr. Construction Company d/b/a Window Depot USA | | TSCA | | Region 03 |
09/30/2015 | | TSCA-03-2015-0258 | | Boston Design & Construction Co., Inc. | | TSCA | | Region 03 |
09/26/2016 | | RCRA-03-2016-0225 | | CITGO Norview Gas Station | | RCRA | | Region 03 |
06/14/2017 | | RCRA-03-2017-0122 | | Indmar Coatings Corporation | | RCRA | | Region 03 |
01/23/2018 | | RCRA-CWA-EPCRA-CAA-03-2018-0014 | | US Dept of the Army, BAE Systems Ordnance Systems Inc., Radford Army A... | | RCRA | | Region 03 |
07/24/2018 | | RCRA-03-2018-0131 | | Silky Associates, LLC | | RCRA | | Region 03 |
12/07/2022 | | TSCA-03-2023-0034 | | Robert Lauter d/b/a Prime Cut Paint | | TSCA | | Region 03 |
09/12/2023 | | CWA-03-2023-0104 | | Mr. Gary Powers and Ms. Angie Powers | | CWA | | Region 03 |
| | CAA-03-2020-0095 | | AirFish Automotive, LLC | | CAA | | Region 03 |
| | CAA-03-2020-0118FF | | National Aeronautics and Space Administration - Wallops Flight Facilit... | | | | Region 03 |
| | CAA-03-2023-0079DA | | TMS International LLC | | CAA | | Region 03 |
| | CAA-03-2023-0082DA | | Stonehaven Energy Management Company LLC | | CAA | | Region 03 |
| | CAA-03-2023-0127DA | | Lake Erie Biofuels LLC | | CAA | | Region 03 |
| | CAA-03-2024-0017DA | | Xpress Natural Gas, LLC | | CAA | | Region 03 |
| | CAA-03-2024-0045 | | Weakland’s Mechanic Shop, Inc. | | CAA | | Region 03 |
| | CAA-03-2024-0060DA | | Petroleum Recovery and Remediation Management, Inc. d/b/a Petroleum Ma... | | CAA | | Region 03 |
| | CAA-03-2024-0101 | | Ecopax, LLC | | CAA | | Region 03 |
| | CAA-03-2024-0119 | | Cunningham Energy, LLC and Houston Natural Resources Corp | | CAA | | Region 03 |
| | CAA-03-2024-0140 | | Jeff’s Auto Body and Recycling Center, Inc. | | CAA | | Region 03 |
| | CAA-CWA-RCRA-03-2021-0024 | | Alliant Techsystems Operations, LLC, Allegany Ballistics Laboratory | | CAA | | Region 03 |
| | CERC-03-2007-0033DC | | The Folcroft Landfill and The Folcroft Landfill Annex - Lower Darby Cr... | | | | Region 03 |
| | CERCLA-03-2018-0116DC | | Delaware Sand and Gravel Landfill | | CERCLA | | Region 03 |
| | CERCLA-03-2018-0136LL | | Clearview Landfill, Lower Darby Creek Area Superfund Site | | | | Region 03 |
| | CERCLA-03-2019-0111LL | | Chem Fab Superfund Site, Turog Properties, Limited | | | | Region 03 |
| | CERCLA-03-2019-0120LL | | Magnate, LLC Site | | | | Region 03 |
| | CERCLA-03-2020-0055DC | | Culpeper Wood Preservers Site, Jefferson Homebuilders, Inc. | | | | Region 03 |
| | CERCLA-03-2020-0080CR | | J.H. & C.K. Eagle Mill Site, PAD Kulpmont, LLC | | | | Region 03 |
| | CERCLA-03-2020-0082DC | | AIW Frank/Mid-County Mustang Superfund Site, B&J Excavating, Inc. | | | | Region 03 |
| | CERCLA-03-2021-0031LL | | Erie Coke | | | | Region 03 |
| | CERCLA-03-2022-0008DC | | Teleflex Incorporated, North Penn Area 7 Superfund Site | | CERCLA | | Region 03 |
| | CERCLA-03-2022-0043DC | | Desha Road Superfund Site, FDP Virginia, Inc. | | CERCLA | | Region 03 |
| | CERCLA-03-2022-0066AC | | West Virginia Tire Disposal, Inc. Site, West Virginia Tire Disposal, I... | | CERCLA | | Region 03 |
| | CERCLA-03-2022-0073DC | | West Virginia Tire Disposal, Inc. | | CERCLA | | Region 03 |
| | CERCLA-03-2022-0129LL | | Lefevre Street Container Superfund Site | | | | Region 03 |
| | CERCLA-03-2022-0140LL | | West Virginia Tire Disposal, Inc. Superfund Site | | | | Region 03 |
| | CERCLA-03-2023-0007DC | | North Penn Area 6 Superfund Site, Parker Hannifin Corporation | | CERCLA | | Region 03 |
| | CERCLA-03-2023-0043DC | | North Penn Area 5 Superfund Site, Operable Unit 1, BAE Systems Informa... | | | | Region 03 |
| | CERCLA-03-2023-0064DC | | Koppers Co., Inc. (Newport) Superfund Site, Beazer East, Inc. | | | | Region 03 |
| | CERCLA-03-2024-0057AC | | Baghurst Drive Superfund Site, Schwenksville Borough Water and Sewer A... | | CERCLA | | Region 03 |
| | CERCLA-RCRA-03-2021-0050PP and ..... | | U.S. Steel Corp. MVW Fairless Works, NP Falls Township Industrial, LLC... | | | | Region 03 |
| | CWA-03-2018-0019DN | | Government of the District of Columbia | | | | Region 03 |
| | CWA-03-2018-0038DN | | Pennsylvania Department of Transportation | | | | Region 03 |
| | CWA-03-2019-0053DN | | Rockydale Quarries Corporation | | | | Region 03 |
| | CWA-03-2020-0061CW | | Tangier Oil Company, Inc. | | | | Region 03 |
| | CWA-03-2020-0067DN | | Shenandoah Municipal Sewer Authority | | | | Region 03 |
| | CWA-03-2020-0088DW | | Boyd Farm, LLC | | | | Region 03 |
| | CWA-03-2020-0089DW | | Frazier T. Boyd, III | | | | Region 03 |
| | CWA-03-2020-0109DW | | Frazier T. Boyd, III - Shannon Hill Road | | CWA | | Region 03 |
| | CWA-03-2020-0138DN | | Lehigh White Cement Company | | | | Region 03 |
| | CWA-03-2021-0006DN | | Blessing Greenhouses and Compost Facility, Inc. | | | | Region 03 |
| | CWA-03-2021-0017DW | | Waco Oil and Gas Co., Inc. | | | | Region 03 |
| | CWA-03-2021-0027DN | | Pennsylvania Turnpike Commission | | | | Region 03 |
| | CWA-03-2021-0028DW | | Gary Powers | | | | Region 03 |
| | CWA-03-2021-0035DN | | Overhead Door Corporation, CWA, Administrative Order on Consent | | | | Region 03 |
| | CWA-03-2021-0044DN | | York City Sewer Authority and City of York | | | | Region 03 |
| | CWA-03-2021-0053DN | | City of Martinsburg, WWTP | | | | Region 03 |
| | CWA-03-2021-0060DN | | Lehigh Cement Company | | | | Region 03 |
| | CWA-03-2021-0078DN | | Concrete Pipe and Precast, LLC | | | | Region 03 |
| | CWA-03-2021-0104FF | | John F. Kennedy Center for the Performing Arts | | | | Region 03 |
| | CWA-03-2021-0110DS | | Clarksburg Water Board | | SDWA | | Region 03 |
| | CWA-03-2022-0018DN | | Red Hill Utility, LLC | | CWA | | Region 03 |
| | CWA-03-2022-0019DN | | Amsted Graphite Materials, LLC | | | | Region 03 |
| | CWA-03-2022-0021DN | | Hanover Foods Corporation | | CWA | | Region 03 |
| | CWA-03-2022-0022DW | | Gary Lane and Chameleon LLC | | | | Region 03 |
| | CWA-03-2022-0026DN | | City of Carbondale | | CWA | | Region 03 |
| | CWA-03-2022-0031DN | | Superior Concrete Materials, Inc. | | CWA | | Region 03 |
| | CWA-03-2022-0039DW | | Paul Goodwin | | CWA | | Region 03 |
| | CWA-03-2022-0040DN | | Hiway MHC, LLC | | CWA | | Region 03 |
| | CWA-03-2022-0042DN | | Town of Selbyville | | CWA | | Region 03 |
| | CWA-03-2022-0055DN | | ZQRIC, LLC | | CWA | | Region 03 |
| | CWA-03-2022-0117DN | | Board of County Commissioners, Washington County, Maryland | | CWA | | Region 03 |
| | CWA-03-2023-0006DN | | The Washington Marina Company | | CWA | | Region 03 |
| | CWA-03-2023-0011DN | | Chemalloy Company LLC | | CWA | | Region 03 |
| | CWA-03-2023-0025DN | | The Chemours Company FC, LLC, Washington Works | | CWA | | Region 03 |
| | CWA-03-2023-0051DW | | Panhandle Homes of Berkeley County, Inc. | | CWA | | Region 03 |
| | CWA-03-2023-0058DN | | Borough of Tamaqua and Tamaqua Borough Authority | | CWA | | Region 03 |
| | CWA-03-2023-0077DN | | City of Williamsport, PA | | CWA | | Region 03 |
| | CWA-03-2023-0078CW | | CSX Transportation, Inc., Sandstone, WV Train Derailment Site | | CWA | | Region 03 |
| | CWA-03-2023-0113DN | | Mid-Centre County Authority | | CWA | | Region 03 |
| | CWA-03-2024-0004DN | | Vale Wood Farms | | CWA | | Region 03 |
| | CWA-03-2024-0006DN | | Boone’s Estates MHC, LLC and Horizon Land Management, LLC | | CWA | | Region 03 |
| | CWA-03-2024-0007DN | | Lyons Creek MHC, LLC and Horizon Land Management, LLC | | CWA | | Region 03 |
| | CWA-03-2024-0008DN | | Maryland Manor MHC, LLC and Horizon Land Management, LLC | | CWA | | Region 03 |
| | CWA-03-2024-0009DN | | Patuxent MHC, LLC and Horizon Land Management, LLC | | CWA | | Region 03 |
| | CWA-03-2024-0010 | | Boone’s Estates MHC, LLC and Horizon Land Management, LLC | | CWA | | Region 03 |
| | CWA-03-2024-0011 | | Lyons Creek MHC, LLC and Horizon Land Management, LLC | | CWA | | Region 03 |
| | CWA-03-2024-0012 | | Maryland Manor MHC, LLC and Horizon Land Management, LLC | | CWA | | Region 03 |
| | CWA-03-2024-0013 | | Patuxent MHC, LLC and Horizon Land Management, LLC | | CWA | | Region 03 |
| | CWA-03-2024-0016DN | | Delaware Department of Transportation | | CWA | | Region 03 |
| | CWA-03-2024-0019DN | | City of Charles Town and Charles Town Utility Board | | CWA | | Region 03 |
| | CWA-03-2024-0021DN | | Lawrenceville Borough | | CWA | | Region 03 |
| | CWA-03-2024-0026DN | | City of Salem | | CWA | | Region 03 |
| | CWA-03-2024-0035DN | | Frederick-Winchester Service Authority and Frederick County Sanitation... | | CWA | | Region 03 |
| | CWA-03-2024-0036 | | Frederick-Winchester Service Authority and Frederick County Sanitation... | | CWA | | Region 03 |
| | CWA-03-2024-0037DN | | Felman Production, LLC | | CWA | | Region 03 |
| | CWA-03-2024-0039DN | | AdvanSix Resins & Chemicals LLC, Hopewell Plant | | CWA | | Region 03 |
| | CWA-03-2024-0044DN | | Hill MHP, LLC | | CWA | | Region 03 |
| | CWA-03-2024-0050DN | | Shifflett’s Used Auto Parts | | CWA | | Region 03 |