Complaint Date | | Status | | Case |
| | Closed | | (RCRA-03-2022-0083) Kao USA Inc. |
| | Closed | | (RCRA-03-2022-0102) District of Columbia Water and Sewer Authority, Blue Plains Advanced Wastewater ... |
| | Closed | | (RCRA-03-2022-0113) Yogkala Management Inc. |
| | Active | | (RCRA-03-2022-0138CA) Excalibur Realty Company |
| | Closed | | (RCRA-03-2023-0008) Theranostix, Inc. |
| | Closed | | (RCRA-03-2023-0012) Harrisburg Area Community College |
| | Closed | | (RCRA-03-2023-0021) L & M Fabrication and Machine, Inc. |
| | Active | | (RCRA-03-2023-0024) Wheeler & Wheeler, Inc. d/b/a West End Motors |
| | Closed | | (RCRA-03-2023-0026) Gallaudet University |
| | Closed | | (RCRA-03-2023-0027) Heritage Training and Shooting Center, LLC |
| | Closed | | (RCRA-03-2023-0029) MetLab, Inc. |
| | Closed | | (RCRA-03-2023-0031) Ailya Chemical Corporation |
| | Closed | | (RCRA-03-2023-0033) Walmart, Inc., Walmart Distribution Center #7034 |
| | Closed | | (RCRA-03-2023-0039) Advance Stores Company, Inc., Advance Auto Distribution Center |
| | Closed | | (RCRA-03-2023-0044) Sigmapharm Laboratories LLC |
| | Active | | (RCRA-03-2023-0046CA) Transport Pool Corporation (former General Electric Railcar Repair Services
Corp... |
| | Closed | | (RCRA-03-2023-0050) E.G.E. Corporation, Kenilworth Red Top Gas Station |
| | Closed | | (RCRA-03-2023-0054) Divya Enterprise LLC, Sunrise Mart |
| | Closed | | (RCRA-03-2023-0065) TD88 LLC t/a Baymart, Baymart Liquors |
| | Closed | | (RCRA-03-2023-0071) Harry Parsons d/b/a Canal Boatyard, Tradestyle: Fisherman’s Wharf |
| | Closed | | (RCRA-03-2023-0081) Bashir Naseem Corporation, Freedom Citgo |
| | Closed | | (RCRA-03-2023-0091) Palram Americas, Inc. |
| | Closed | | (RCRA-03-2023-0094) Amar Petroleum Inc. and Hans Gill, LLC, Roxy Gas & Snacks |
| | Closed | | (RCRA-03-2023-0098) Merck Sharp & Dohme Corp. |
| | Closed | | (RCRA-03-2023-0111) Winchester 101, LLC d/b/a Route 50 Gas Mart |
| | Active | | (RCRA-03-2023-0112CA) Mountain State Carbon, LLC, Mountain State Carbon Coke Plant |
| | Closed | | (RCRA-03-2023-0119) Tastepoint Inc. |
| | Closed | | (RCRA-03-2023-0123) Alloy Surfaces Company, Inc. |
| | Closed | | (RCRA-03-2023-0128) Amuneal Manufacturing Corp. |
| | Closed | | (RCRA-03-2023-0139) Gene’s Orange Market, LLC |
| | Closed | | (RCRA-03-2023-0140) Davis GMC Truck, Inc. |
| | Closed | | (RCRA-03-2023-0141) SPS Technologies, LLC |
| | Closed | | (RCRA-03-2023-0142) Frederick Northup, Inc. |
| | Closed | | (RCRA-03-2023-0145) Fowler Oil Co. d/b/a Uptown Shell |
| | Closed | | (RCRA-03-2024-0014) Entegris, Inc. |
| | Closed | | (RCRA-03-2024-0015) R.M. Roach & Sons, Inc. |
| | Closed | | (RCRA-03-2024-0018) Maryland Department of Public Safety and Correctional Services, |
| | Closed | | (RCRA-03-2024-0022) Agilent Technologies, Inc. |
| | Closed | | (RCRA-03-2024-0023) OMNOVA North America, Inc. |
| | Closed | | (RCRA-03-2024-0024) Southern Galvanizing Company |
| | Active | | (RCRA-03-2024-0025) Uniformed Services University of the Health Sciences |
| | Closed | | (RCRA-03-2024-0031) T & D Quick Stop, Inc. |
| | Closed | | (RCRA-03-2024-0038) Halifax County School Board |
| | Closed | | (RCRA-03-2024-0064) Meritus Health, Meritus Medical Center |
| | Closed | | (RCRA-03-2024-0065) Energy Transfer Marketing & Terminals L.P., Marcus Hook Industrial Complex |
| | Closed | | (RCRA-03-2024-0073) Tech Met, Inc. |
| | Active | | (RCRA-03-2024-0081RA) Max Environmental Technologies, Inc. |
| | Closed | | (RCRA-03-2024-0083) Smithsonian Institution, Smithsonian National Museum of Natural History |
| | Active | | (RCRA-03-2024-0093) CSX Corp. |
| | Closed | | (RCRA-03-2024-0097) Northern Virginia Electric Cooperative |
| | Closed | | (RCRA-CAA-03-2018-0128) United States Department of the Army, Tobyhanna Army Depot, RCRA, CWA, CAFO |
| | Closed | | (RCRA-FIFRA-03-2023-0143) GROWMARK FS, LLC |
| | Closed | | (RCRA-HQ-2020-501) Demand for Pre-Agreed Upon Penalties - Bloom Energy Corporation |
| | Active | | (RCRA-HQ-2024-001) The Chemours Company FC, LLC, Washington Works |
| | Closed | | (SDWA-03-2017-0173DS) Red Jacket Energy, LLC,, SDWA, AOC |
| | Active | | (SDWA-03-2018-0068DU) ARG Resources, Inc. |
| | Closed | | (SDWA-03-2018-0118DS) American Legion Post 907, SDWA, Administrative Order for Compliance |
| | Active | | (SDWA-03-2019-0025DS) United States Department of the Navy, Joint Base Anacostia-Bolling |
| | Closed | | (SDWA-03-2019-0076-DS) Twin Creeks LLC, SDWA, Administrative Order |
| | Active | | (SDWA-03-2020-0009DU) Resources Preservation, Inc. f/k/a ARG Resources, Inc. |
| | Closed | | (SDWA-03-2020-0121DS) Portal Hotels Site LLC d/b/a Mandarin Oriental, Washington D.C. |
| | Closed | | (SDWA-03-2020-0133DS) United States Department of the Navy, Washington Navy Yard, SDWA, Administrative... |
| | Closed | | (SDWA-03-2020-0134DS) United States Department of the Navy, U.S. Naval Observatory, SDWA, Administrati... |
| | Active | | (SDWA-03-2022-0038DU) Resources Preservation, Inc., f/k/a ARG Resources, Inc. |
| | Closed | | (SDWA-03-2022-0056DS) Glen Rogers Public Service District |
| | Closed | | (SDWA-03-2022-0069DS) Brenton County Public Service District |
| | Closed | | (SDWA-03-2022-0078) Snyder Brothers, Incorporated |
| | Active | | (SDWA-03-2022-0081DS) National Railroad Passenger Corporation d/b/a Amtrak |
| | Active | | (SDWA-03-2022-0094DS) Potomac Farms LLC |
| | Closed | | (SDWA-03-2022-0104DS) Borough of Zelienople |
| | Closed | | (SDWA-03-2022-0106DS) White Sulphur Springs |
| | Closed | | (SDWA-03-2022-0107DS) Greater Harrison County PSD |
| | Closed | | (SDWA-03-2022-0108DS) City of St. Albans |
| | Closed | | (SDWA-03-2022-0109DS) Eastern Wyoming PSD |
| | Closed | | (SDWA-03-2022-0110DS) City of Williamstown |
| | Closed | | (SDWA-03-2022-0141DS) Mingo County Public Service District - Naugatuck |
| | Active | | (SDWA-03-2022-0142DS) Logan County Public Service District, Northern Regional |
| | Active | | (SDWA-03-2022-0143DS) Logan County Public Service District, Greenville |
| | Active | | (SDWA-03-2023-0005) Bear Lake Properties, LLC |
| | Closed | | (SDWA-03-2023-0013DS) Pinnacle Water Association |
| | Active | | (SDWA-03-2023-0057DS) Nelson County Service Authority, Wintergreen Water System |
| | Active | | (SDWA-03-2023-0061DS) Dickenson County Public Service Authority, Big Caney |
| | Active | | (SDWA-03-2023-0062DS) Cheat View Public Service District |
| | Closed | | (SDWA-03-2023-0109DS) City of Baltimore |
| | Closed | | (SDWA-03-2023-0124DS) City of Baltimore |
| | Active | | (SDWA-03-2024-0030DS) Leadsville Public Services District |
| | Closed | | (SDWA-03-2024-0034DS) Somerset Township Municipal Authority |
| | Active | | (SDWA-03-2024-0105DS) Smyrna Water Department |
| | Closed | | (TSCA-03-2017-0113) Alex Properties, Inc., a/d/b/a TSCA, SCAFO |
| | Closed | | (TSCA-03-2018-0015) Willard D. Zirkle, Lori H. Zirkle, TSCA, SCAFO |
| | Closed | | (TSCA-03-2018-0040) RentlHousn4U LLC |
| | Closed | | (TSCA-03-2018-0088) Kevin M. Coyne d/b/a Coyne Masonry, TSCA, CAFO |
| | Closed | | (TSCA-03-2018-0091) Crocker & Little Properties, Inc., CAFO |
| | Closed | | (TSCA-03-2018-0111) In the Matter of Sean & Marcy McCann, TSCA, CAFO, TSCA-03-2018-0111 |
| | Closed | | (TSCA-03-2018-0114) Kentwood Land Trust & Howard Land Trust, CAFO, TSCA-03-2018-0114 |
| | Closed | | (TSCA-03-2018-0123) Custom Contractors& Remodeling, Inc., TSCA, CAFO |
| | Closed | | (TSCA-03-2018-0124) J.H. Two, L.C., t/a Jerry Harris Remodeling, TSCA, CAFO |
| | Closed | | (TSCA-03-2018-0126) Perfect Painters and More, Inc., TSCA, CAFO |
| | Closed | | (TSCA-03-2018-0127) MAPRO Builders, LLC, TSCA, CAFO |
| | Closed | | (TSCA-03-2018-0140) American Heritage Property Management, LLC, TSCA, CAFO |