| AIR DRILLING ASSOCIATES | Hazardous waste | — | — | — | No Violation Identified |
| ASCENT RESOURCES - GRAND WRN BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - ALBERT KKW BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - MALDON WRN BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - ROCK RIDGE WRN BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - VICTOR WRN BL | Air | — | — | — | No Violation Identified |
| BARNESVILLE HOSPITAL | Hazardous waste | — | — | — | No Violation Identified |
| BARNESVILLE WWTP | Water | 3 | — | — | Violation Identified |
| BLUE RACER MIDSTREAM LLC - BELMONT CO FIELD STATION #1 | Air | — | — | — | No Violation Identified |
| BOYD HALL PAD 952356 | Air | — | — | — | No Violation Identified |
| CERTIFIED GAS STATION 209 | Hazardous waste | — | — | — | No Violation Identified |
| CHEMOIL | Hazardous waste | — | — | — | No Violation Identified |
| DAVIS RECYCING | Hazardous waste | — | — | — | No Violation Identified |
| DOLLAR GENERAL STORE #4726 | Hazardous waste | — | — | — | No Violation Identified |
| FAMILY DOLLAR #1699 | Hazardous waste | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA LLC - PHILLIPS WELL PAD | Air | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA, LLC - JOHN WELL PAD | Air | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA, LLC - NEAL WELL PAD | Air | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA, LLC - NORMA WELL PAD | Air | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA, LLC - SHUGERT 12 WELL PAD | Air | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA, LLC - STARR PAD | Air | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA, LLC - STEPHENS WELL PAD | Air | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA, LLC - WARD WELL PAD | Air | — | — | — | No Violation Identified |
| GULFPORT ENERGY CORPORATION - HAYES WELL PAD | Air | — | — | — | No Violation Identified |
| GULFPORT ENERGY CORPORATION - WESLEY WELL PAD | Air | — | — | — | No Violation Identified |
| HANDY ANDYS POWER EQUIPMENT | Hazardous waste | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - 70T STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - BARNSVILLE CS | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - BROTHERS STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - HAYES STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - HUMPHREY CS | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - MCCORT LAUNCHER STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - MCGEE STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - MORRISTOWN LAUNCHER STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - SHANNON STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - STRONZ STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - SWALLIE RECEIVER STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - TRI-COUNTY CS | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - WHEATLEY STATION | Air | — | — | — | No Violation Identified |
| MARKWEST HUMPHREYS COMPRESSOR STATION | Air | 3 | — | — | No Violation Identified |
| MARKWEST TRI-COUNTY COMPRESSOR STATION | Air | — | — | — | No Violation Identified |
| MPLX BARNESVILLE WEST COMPRESSOR STATION | Hazardous waste | — | — | — | No Violation Identified |
| OLNEY FRIENDS SCHOOL | Hazardous waste | — | — | — | No Violation Identified |
| WALGREENS #17826 | Hazardous waste | — | — | — | No Violation Identified |