| ASCENT RESOURCES - ACE CDZ HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - BEACON CDZ HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - COBRA CDZ HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - DOMINO CDZ HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - BELLA CDZ HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - BSA 16-11N-6W | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - COLLECTORS WELL PAD | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - CORDER NTG HR WELL PAD | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - CYPRESS CDZ HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - JEFFCO GRN HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - LIGGETT ATH HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - PETTAY WELL PAD | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - RH SPARGER NTG HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - RHF SPROULL NTG HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - ROSE NTG HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - SHEPORGI GRN HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - SHERWOOD MRF HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA LLC - VICTORIA ATH HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES - UTICA, LLC - ABLE ARC HR | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES-UTICA LLC -CRAVAT COAL SHC HR WELL PAD | Air | — | — | — | No Violation Identified |
| ASCENT RESOURCES-UTICA, LLC - ALPHA ATH HR | Air | — | — | — | No Violation Identified |
| BLUE RACER MIDSTREAM LLC - ARCHER A | Air | — | — | — | No Violation Identified |
| BLUE RACER MIDSTREAM LLC - CADIZ C DEHY FACILITY | Air | — | — | — | No Violation Identified |
| BLUE RACER MIDSTREAM LLC - HARR CO FLD STN #6(ATHENS C) | Air | — | — | — | No Violation Identified |
| BLUE RACER MIDSTREAM LLC - HFS#1 (CADIZ B) | Air | — | — | — | No Violation Identified |
| BLUE RACER MIDSTREAM LLC - HFS#2 | Air | — | — | — | No Violation Identified |
| BLUE RACER MIDSTREAM LLC - HFS#5 (CADIZ D) | Air | — | — | — | No Violation Identified |
| BLUE RACER MIDSTREAM, LLC - MIZER STATION | Air | — | 2 | — | No Violation Identified |
| BRITISH PETROLEUM OIL CO HARRISVILLE BULK PLANT * | Hazardous waste | — | — | — | No Violation Identified |
| CADIZ GAS PROCESSING PLANT | Air | — | — | — | No Violation Identified |
| CADIZ HIGH SCHOOL | Hazardous waste | — | — | — | No Violation Identified |
| CADIZ WTP | Drinking water | 1 | 2 | — | Significant Violation |
| CADIZ WWTP | Water | 5 | — | — | Significant Violation |
| CAM OHIO LLC | Hazardous waste | — | — | — | No Violation Identified |
| CAMP PRESMONT INC.-CAMP PRESMONT INC | Drinking water | — | — | — | No Violation Identified |
| CONSOLIDATION COAL CO HENDERSON ROAD HAULAGE SYS | Hazardous waste | — | — | — | No Violation Identified |
| CRAVAT COAL CO * | Hazardous waste | — | — | — | No Violation Identified |
| DIAL EASTERN STATES PAINTING INC | Hazardous waste | — | — | — | No Violation Identified |
| DOLLAR GENERAL STORE # 1861 | Hazardous waste | — | — | — | No Violation Identified |
| DOMINION EAST OHIO STOCK COMPRESSOR STA. | Air | 1 | — | — | No Violation Identified |
| EASTERN OHIO COAL COMPANY | Hazardous waste | — | — | — | No Violation Identified |
| EBERHART'S SERVICE CENTER | Hazardous waste | — | — | — | No Violation Identified |
| ENERGY TRANSFER -ROVER PIPELINE - CADIZ COMPRESSOR STN | Air | — | — | — | No Violation Identified |
| EOG RESOURCES, INC. - AKERS 25-12-6 PAD | Air | — | — | — | No Violation Identified |
| EOG RESOURCES, INC. - CROMIKA 34-10-5 PAD | Air | — | — | — | No Violation Identified |
| EOG RESOURCES, INC. - DAVIS TRUST 19-11-5 PAD | Air | — | — | — | No Violation Identified |
| EOG RESOURCES, INC. - HN STO 26 12-11-6 SOUTH PAD | Air | — | — | — | No Violation Identified |
| EOG RESOURCES, INC. - K WALLACE 4-11-6 PAD | Air | — | — | — | No Violation Identified |
| EOG RESOURCES, INC. - KRAMER 1-13-7 PAD | Air | — | — | — | No Violation Identified |
| EOG RESOURCES, INC. - SMITH 28-10-5-6 PAD | Air | — | — | — | No Violation Identified |
| FAMILY DOLLAR #3325 | Hazardous waste | — | — | — | No Violation Identified |
| GULFPORT APPALACHIA, LLC - BK STEPHENS | Air | — | — | — | No Violation Identified |
| HARRISON COMMUNITY HOSPITAL | Hazardous waste | — | — | — | No Violation Identified |
| HARRISON COUNTY GARAGE | Hazardous waste | — | — | — | No Violation Identified |
| HARRISON COUNTY GARAGE STORAGE YARD | Hazardous waste | — | — | — | No Violation Identified |
| HARRISON COUNTY HOME | Water, Drinking water | 2 | — | — | Violation Identified |
| HARRISON COUNTY SANITARY LANDFILL (0634000065) | Air, Water | 4 | — | — | No Violation Identified |
| HARRISON POWER | Air, Water | 1 | — | — | No Violation Identified |
| HCWSD - EAST CADIZ-HCWSD - EAST CADIZ PLANT | Drinking water | — | — | — | Violation Identified |
| HCWSD - GEORGETOWN-GEORGETOWN WATER DISTRICT | Drinking water | — | — | — | Violation Identified |
| HOPEDALE MINING - CADIZ PORTAL | Water | 1 | — | — | Significant Violation |
| LEESVILLE LAND, LLC - CADIZ PORTAL MINE | Air | — | — | — | No Violation Identified |
| MARATHON PETROLEUM COMPANY | Hazardous waste | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - DARLA LAUNCHER STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - HARRISON CENTRAL STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - HEAVLIN STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - PUSKARICH STATION | Air | — | — | — | No Violation Identified |
| MARKWEST ENERGY PARTNERS - WAGNER LAUNCHER STATION | Air | — | — | — | No Violation Identified |
| MARKWEST UTICA CONDENSATE STABILIZATION FACILITY | Air | — | — | — | No Violation Identified |
| MARKWEST YODER COMPRESSOR STATION | Air | — | — | — | No Violation Identified |
| MIZER FARMS 952653 | Air | — | — | — | No Violation Identified |
| MULL MOTORS INC | Hazardous waste | — | — | — | No Violation Identified |
| NLS ASPHALT, INC. - PLANT #3 | Air | 1 | — | — | No Violation Identified |
| OHIO CONDENSATE COMPANY, L.L.C. | Air | — | — | — | No Violation Identified |
| OXFORD MINING - ELLIS | Air | — | — | — | No Violation Identified |
| OXFORD MINING COMPANY | Hazardous waste | — | — | — | No Violation Identified |
| OXFORD MINING COMPANY INC. | Air | — | — | — | No Violation Identified |
| ROSEBUD MINING COMPANY-STAUTNER MINE | Water | — | — | — | No Violation Identified |
| SIDWELL MATERIALS DEISTER TRIPLE DECK HORIZONTAL | Air | — | — | — | No Violation Identified |
| SIDWELL MATERIALS INC AC3 ALLIS CHALMERS | Air | — | — | — | No Violation Identified |
| SIDWELL MATERIALS IROCK 300 PORTABLE CRUSHING | Air | — | — | — | No Violation Identified |
| SMITH CONCRETE CADIZ PLANT 461 | Air | — | — | — | No Violation Identified |
| UTICA CONDENSATE FACILITY | — | — | — | — | — |
| WASTE REDUCTION TECHNOLOGIES LLC | Air | — | — | — | No Violation Identified |
| WASTE REDUCTION TECHNOLOGIES, INC. | Water | 1 | — | — | Significant Violation |
| WASTE REDUCTION TECHNOLOGIES, LLC | Water | — | — | — | Significant Violation |
| WILLIAMS ARCHER COMPRESSOR STATION | Air | 3 | — | — | No Violation Identified |