| ADVANCE AUTO PARTS #7303 | Hazardous waste | — | — | — | No Violation Identified |
| AEP OHIO POWER CO | Hazardous waste | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - BLAYNEY WHL BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - BLESSED RCH BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - BOROVICH RCH BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - COFFIELD RCH BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - COLEMAN WELLPAD | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - CONNIE JO CLR BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - CRAVAT WHL BL WELL PAD | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - CROWIE RCH BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - EMERSYN RCH BL WELL PAD | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - LORRAINE CLR BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - MATUSEK WHL BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - OBOY CLR BL WELLPAD | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - PANG WHL BL WELL PAD | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - PREMIER WHL BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - R HOOVER WHL BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - ROSS WHL BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - SIDWELL WHL BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - THREE DADS RCH BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - TRUCHAN NE WHL BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - TRUCHAN NW WHL BL | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA, LLC - RICHLAND A | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES- UTICA, LLC - KURTH | Air | — | — | — | No Violation Identified |
| CITY OF ST CLAIRSVILLE WEST WWTP | Water | 2 | — | — | Significant Violation |
| COLUMBIA GAS OF OHIO ST CLAIRSVILLE FACILITY | Hazardous waste | — | — | — | No Violation Identified |
| CUMBERLAND LIMESTONE, LLC. - MCCLOSKEY S190 | Air | — | — | — | No Violation Identified |
| CVS PHARMACY #6271 | Hazardous waste | — | — | — | No Violation Identified |
| DOLLAR GENERAL STORE #9613 | Hazardous waste | — | — | — | No Violation Identified |
| DUNN RD PROPERTY PARCEL NUMBER 50-00549.003 | Hazardous waste | — | — | — | Violation |
| ENBRIDGE GAS OHIO | Hazardous waste | — | — | — | No Violation Identified |
| EQM OLYMPUS MIDSTREAM LLC - LONESTAR COMPRESSOR STATION | Air | — | — | — | No Violation Identified |
| EQM OLYMPUS MIDSTREAM, LLC - EMPIRE COMPRESSOR STATION | Air | — | — | — | No Violation Identified |
| EQT CORP - RICE DRILLING D LLC - BIG TEX SCL6H1 | Air | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA, LLC - BARTON PAD | Air | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA, LLC - DORSEY WELL PAD | Air | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA, LLC - ORC PAD | Air | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA, LLC - SNODGRASS WELL PAD | Air | — | — | — | No Violation Identified |
| KMART #3325 | Hazardous waste | — | — | — | No Violation Identified |
| KROGER #812 | Hazardous waste | — | — | — | No Violation Identified |
| LISA PHILLIPS PROPERTY | Hazardous waste | — | — | — | No Violation Identified |
| LONGHORN STEAKHOUSE | Hazardous waste | — | — | — | No Violation Identified |
| NEVILLE ENERGY SERVICES LLC | Hazardous waste | — | — | — | No Violation Identified |
| OHIO POWER SAINT CLAIRSVILLE SERVICE CENTER * | Hazardous waste | — | — | — | No Violation Identified |
| RICE DRILLING D, LLC (RDD) SKYHAWK | Air | — | — | — | No Violation Identified |
| RICE DRILLING D, LLC (RDD) BIG TEX | Air | — | — | — | No Violation Identified |
| SAFELITE FULFILLMENT LLC DBA SAFELITE AUTOGLASS | Hazardous waste | — | — | — | No Violation Identified |
| SHEETZ #605 | Hazardous waste | — | — | — | No Violation Identified |
| SIDWELL MATERIALS - UNIONTOWN STONE | Air | — | — | — | No Violation Identified |
| SIDWELL MATERIALS, INC. IROCK RDS-20 POR | Air | — | — | — | No Violation Identified |
| SIDWELL MATERIALS, INC.-TRI-SON SCREENIN | Air | 1 | — | — | Violation Identified |
| ST. CLAIRSVILLE, CITY OF PWS-SAINT CLAIRSVILLE WTP | Drinking water | 3 | 3 | — | Significant Violation |
| STINGRAY PRESSURE PUMPING | Hazardous waste | — | — | — | No Violation Identified |