| Inola | INOLA PWA | Air, Water | — | No Violation Identified |
| Inola | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / 10066653 US 412 AND VERDIGRIS RIVER | Air | — | No Violation Identified |
| Inola | ROGERS COUNTY DISTRICT 3 / DIST 3 INOLA YARD | Air | — | No Violation Identified |
| Inola | SOFIDAL AMERICA, CORP.-AUTUMN II ON SITE | Water | 2 | Violation Identified |
| Inola | SOFIDEL AMERICA | Air | — | No Violation Identified |
| Inola | US ARMY COE NEWT GRAHAM LOCK & DAM 18 | Hazardous waste | — | No Violation Identified |
| Inola | VERIZON WIRELESS / INOLA N OK | Air | — | No Violation Identified |
| Inola | VERIZON WIRELESS / VERDIGRIS RIVER OK | Air | — | No Violation Identified |
| Inola | VIKING CONCRETE CO / VIKING CONCRETE DRY CEMENT PLANT | Air | — | No Violation Identified |
| Isabella | DIVERSIFIED PRODUCTION LLC / BROWN 1 18 STATION | Air | — | No Violation Identified |
| Isabella | DIVERSIFIED PRODUCTION LLC / EITZEN 1 20 STATION | Air | — | No Violation Identified |
| Isabella | DIVERSIFIED PRODUCTION LLC / EITZEN 17 20 11 2H PAD | Air | — | No Violation Identified |
| Isabella | DIVERSIFIED PRODUCTION LLC / HAYES 21 20 11 3H PAD | Air | — | No Violation Identified |
| Isabella | DIVERSIFIED PRODUCTION LLC / JAY 1 20 STATION | Air | — | No Violation Identified |
| Isabella | DIVERSIFIED PRODUCTION LLC / MURREL 1 18 STATION | Air | — | No Violation Identified |
| Isabella | DIVERSIFIED PRODUCTION LLC / NAOMI 1 PAD | Air | — | No Violation Identified |
| Isabella | DIVERSIFIED PRODUCTION LLC / OSMUS 22 20 10 1H PAD | Air | — | No Violation Identified |
| Isabella | VALIDUS ENERGY II MIDCON LLC / EITZEN 5 5MH | Air | — | No Violation Identified |
| Isabella | VALIDUS ENERGY II MIDCON LLC / LACKEY 2 2MH | Air | — | No Violation Identified |
| Isabella | WESTERN MOUNTAIN RESOURCES LLC / HENDRICKS 1 20 STATION | Air | — | No Violation Identified |
| Jay | AMERICAN TOWER ASSET SUB II LLC / JAY OK | Air | — | No Violation Identified |
| Jay | AMERICAN TOWER MANAGEMENT LLC / 36860 JAY | Air | — | No Violation Identified |
| Jay | COOKS VENTURE POULTRY JAY, INC. | Water | — | — |
| Jay | DELAWARE CO RWD # 3-DELAWARE CO RWD #3 WTP | Drinking water | 9 | No Violation Identified |
| Jay | JACOBS MANUFACTURING CORP. | Hazardous waste | — | No Violation Identified |
| Jay | JAY UTILITIES AUTHORITY | Water | 1 | No Violation Identified |
| Jay | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / JAY DOWNTOWN 10148011 | Air | — | No Violation Identified |
| Jay | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / S HWY 59 JAY CELL TOWER CLLC10126381 | Air | — | No Violation Identified |
| Jay | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / TU0411 HWY 127 | Air | — | No Violation Identified |
| Jay | STONEY RESORT | Water | 4 | Violation Identified |
| Jay | TMOBILE CENTRAL LLC / T MOBILE EUCHA | Air | — | No Violation Identified |
| Jay | VERIZON WIRELESS / BIG HOLLOW OK | Air | — | No Violation Identified |
| Jay | VERIZON WIRELESS / LAKE EUCHA | Air | — | No Violation Identified |
| Jefferson | RESOURCE OIL AND GAS LLC / BOYD 1H 3 | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / BOWLING TRUST 1 15H | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / BURDETT TRUST 1 16H | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / CHAMBERS 2606 1 22H | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / CHERI 1 20H | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / DAVID LEE 1 19H | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / HUGHES 1 10H | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / JOHN 1 15H | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / MORAN 1 13H YOUNG 1 12H | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / SEITER 1 11H TC FARMS 2606 2 14H | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / SEITER 2 11H TC FARMS 1 14H | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / STATE OF OKLAHOMA 1 16H GLENN MELIA 1 | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / TC FARMS 2606 3 14H | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / WHITZEL TRUST 1 6H KREMLIN 2705 3 31H | Air | — | No Violation Identified |
| Jefferson | SANDRIDGE EXPLORATION AND PRODUCTION LL / YOUNG 2606 2 12H | Air | — | No Violation Identified |
| Jenks | CVS PHARMACY # 10214 | Hazardous waste | — | No Violation Identified |
| Jenks | GLENPOOL TERMINAL | Air, Water, Hazardous waste | — | No Violation Identified |
| Jenks | GREEN COUNTRY ENERGY LLC | Air, Water | 1 | Violation Identified |
| Jenks | JENKS MS4 | Water | — | No Violation Identified |
| Jenks | JENKS PUBLIC SCHOOLS | Hazardous waste | — | No Violation Identified |
| Jenks | JENKS WASTEWATER TREAT. PLANT | Water | 1 | No Violation Identified |
| Jenks | KIMBERLY-CLARK CORP-JENKS FAC | Water | — | No Violation Identified |
| Jenks | KIMBERLY-CLARK CORPORATION | Air, Hazardous waste | — | Violation Identified |
| Jenks | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / AWE DOWNTOWN JENKS | Air | — | No Violation Identified |
| Jenks | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / AWE GLENPOOL 10077254 | Air | — | No Violation Identified |
| Jenks | PUBLIC SERVICE CO.- RIVERSIDE | Air, Water, Hazardous waste | — | No Violation Identified |
| Jenks | SOUTHWESTERN BELL TELEPHONE CO DBA AT A / TULSOKJE | Air | — | No Violation Identified |
| Jenks | TULSA WINCH GROUP TWG / TULSA WINCH | Air | 1 | No Violation Identified |
| Jenks | US CELLULAR / SKYLINE PARK 222569 | Air | — | No Violation Identified |
| Jenks | VERIZON WIRELESS / FOX RUN CIR OK | Air | — | No Violation Identified |
| Jenks | VERIZON WIRELESS / JENKS S OK CELL SITE | Air | — | No Violation Identified |
| Jenks | VERIZON WIRELESS / POLECAT CREEK | Air | — | No Violation Identified |
| Jenks | WALGREENS #9595 | Hazardous waste | — | No Violation Identified |
| Jenks | WALMART NEIGHBORHOOD MARKET #5336 | Hazardous waste | — | No Violation Identified |
| Jennings | DAVCO FAB INC | Hazardous waste | — | No Violation Identified |
| Jennings | GRAND RIVER DAM AUTHORITY / SILVER CITY REPEATER | Air | — | No Violation Identified |
| Jennings | JENNINGS-CHLORINATION STATION WELL 5 | Drinking water | 2 | Violation Identified |
| Jennings | PAWNEE CO RWD #2 | Drinking water | — | No Violation Identified |
| Jennings | SKYE OK LLC / EMPIRE BOOSTER STATION | Air | — | No Violation Identified |
| Jones | GENESIS PROJECT-CHLORINATION STATION FOR WELL 2 | Drinking water | — | Significant Violation |
| Jones | JONES CITY MS4 | Water | 1 | No Violation Identified |
| Jones | JONES PWA | Water | 3 | Violation Identified |
| Jones | JONES STATE CENTRAL MIDDLE SCHOOL-CL2 STATION WELL 1 & 2 | Drinking water | 2 | Violation Identified |
| Jones | MADEWELL & MADEWELL, INC. | Hazardous waste | — | No Violation Identified |
| Jones | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / JONES 10087699 | Air | — | No Violation Identified |
| Jones | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / OK1879 BRITTON AND MIDWEST BOULEVARD | Air | — | No Violation Identified |
| Jones | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / W JONES 12705321 | Air | — | No Violation Identified |
| Jones | SPENCER, CITY OF | Water | 2 | Significant Violation |
| Jones | VERIZON WIRELESS / LUTHER ARCADIA | Air | — | No Violation Identified |
| Kansas | AT AND T MOBILITY / TU0903 KANSAS EAST | Air | — | No Violation Identified |
| Kansas | FAMILY DOLLAR # 8402 | Hazardous waste | — | No Violation Identified |
| Kansas | GRAND RIVER DAM AUTHORITY / KANSAS REPEATER | Air | — | No Violation Identified |
| Kansas | KANSAS PUBLIC WORKS AUTHORITY-CHLORINATION STATION | Drinking water | — | No Violation Identified |
| Kansas | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / 10014463 LITTLE KANSAS | Air | — | No Violation Identified |
| Kansas | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / FLINT 10125456 | Air | — | No Violation Identified |
| Kansas | NORTHEAST TECHNOLOGY CENTER | Hazardous waste | — | No Violation Identified |
| Kansas | VERIZON WIRELESS / KANSAS OK | Air | — | No Violation Identified |
| Karns | DEVON ENERGY PRODUCTION CO LP / BESSIE 1 6H | Air | — | No Violation Identified |
| Karns | DEVON ENERGY PRODUCTION CO LP / CROTHERS 1 2H | Air | — | No Violation Identified |
| Karns | DEVON ENERGY PRODUCTION CO LP / ROTHER 1 5H | Air | — | No Violation Identified |
| Katie | CONTINENTAL RESOURCES / JAMES TRUST 1 24 23XHW | Air | — | No Violation Identified |
| Katie | CONTINENTAL RESOURCES / KEELE 1 22 21XH | Air | — | No Violation Identified |
| Katie | TRIAD ENERGY INC / COTTON 1 17 16XH STATION | Air | — | No Violation Identified |
| Kaw City | KAW CITY WATER AUTHORITY | Drinking water | — | No Violation Identified |
| Kaw City | KAW CITY WWTF | Water | 7 | Violation Identified |
| Kaw City | MOBICON CRUSHING AND RECYCLING LLC / MOBICON CRUSHING AND RECYCLING | Air | — | No Violation Identified |
| Kaw City | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / E AKERS RL 14469492 | Air | — | No Violation Identified |
| Kellyville | CREEK CO RWD # 1-CREEK CO RWD #1 WTP | Drinking water | 2 | No Violation Identified |
| Kellyville | D & G FARM | Water | — | No Violation Identified |
| Kellyville | KELLYVILLE PWA WWT | Water | 1 | No Violation Identified |
| Kellyville | KELLYVILLE TRAINING CENTER | Water | — | No Violation Identified |
| Kellyville | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / HEYBURN LAKE TELECOMMUNICATION SITE | Air | — | No Violation Identified |
| Kellyville | OG AND E - TD AND TS / NE SERVICE CENTER | Air | — | No Violation Identified |
| Kellyville | ONEOK GAS TRANSPORTATION LLC / KELLYVILLE COMPRESSOR STATION | Air | — | No Violation Identified |
| Kellyville | PHILLIPS SS#6883 | Hazardous waste | — | No Violation Identified |
| Kellyville | RED WING PRODUCTS INC | Hazardous waste | — | No Violation Identified |
| Kellyville | SCHLUMBERGER TECH CORP / KELLYVILLE TRAINING CENTER | Air | — | No Violation Identified |
| Kellyville | SCHLUMBERGER TECHNOLOGY CORP KELLYVILLE LEARNING CENTER | Hazardous waste | — | No Violation Identified |
| Kellyville | SCISSORTAIL ENERGY LLC / DRIPPING SPRINGS COMPRESSOR STATION | Air | — | No Violation Identified |
| Kellyville | US ARMY COE HEYBURN PROJECT OFFICE | Hazardous waste | — | No Violation Identified |
| Kellyville | VERIZON WIRELESS / KELLYVILLE NORTH OK | Air | — | No Violation Identified |
| Kellyville | VERIZON WIRELESS / KELLYVILLE W OK CELL SITE | Air | — | No Violation Identified |
| Kellyville | VERIZON WIRELESS / LAKE HEYBURN SOUTH OK | Air | — | No Violation Identified |
| Kellyville | WEBCO INDUSTRIES INC KELLYVILLE SPECIALTY TUBE | Air | — | No Violation Identified |
| Kellyville | WEBCO INDUSTRIES, INC KELLYVILLE SPECIALTY TUBES | Hazardous waste | — | No Violation Identified |
| Kemp | TXI OPERATIONS LP / BELL SAVOY SAND AND GRAVEL PLANT | Air | — | No Violation Identified |
| Kendrick | BARCAS PIPELINE VENTURES LLC / BARCAS CUSHING TANK FARM | Air | — | No Violation Identified |
| Kendrick | ET CRUDE OIL TERMINALS LLC / CUSHING TERMINAL | Air | — | No Violation Identified |
| Kendrick | KENDRICK MUNICIPAL AUTHORITY-CHLORINATION STATION | Drinking water | 1 | Violation Identified |
| Kendrick | MAGELLAN TERML HOLDINGS LP / CUSHING SOUTH STATION | Air | — | No Violation Identified |
| Kendrick | NGL CRUDE CUSHING LLC / CUSHING SOUTH TERMINAL | Air | — | No Violation Identified |
| Kendrick | PETROLINK ENERGY LLC / NORTH AJAX COMPRESSOR STATION | Air | — | No Violation Identified |
| Kendrick | PETROLINK ENERGY LLC / STEAMBOAT COMPRESSOR STATION | Air | — | No Violation Identified |
| Kendrick | PLAINS MARKETING LP / CUSHING TANK FARM | Air | — | No Violation Identified |
| Kendrick | SOUTH BOW USA LP / KEYSTONE GULF COAST STATION 32E | Air | — | No Violation Identified |
| Kenton | BLACK MESA STATE PARK-CL2 STATION WELL 2 | Drinking water | — | No Violation Identified |
| Keota | ABUNDANCE ENERGY I LLC / BLAYLOCK WALTER UNIT 12 1 STATION | Air | — | No Violation Identified |
| Keota | BLUE WATER RESOURCES LLC / BONHAM UNIT 12 1 STATION | Air | — | No Violation Identified |
| Keota | ET GATHERING PROCESSING LLC / CARTERSVILLE COMPRESSOR STATION | Air | — | No Violation Identified |
| Keota | FAMILY DOLLAR # 11185 | Hazardous waste | — | No Violation Identified |
| Keota | KEOTA PWA | Water | 6 | Significant Violation |
| Keota | MERIT ENERGY CO / BURRIS 1 19 WELLSITE | Air | — | No Violation Identified |
| Keota | MERIT ENERGY CO / WILLIAMS NO 01 23 WELLSITE | Air | — | No Violation Identified |
| Ketchum | KETCHUM PWA-KETCHUM WTP | Drinking water | — | No Violation Identified |
| Keyes | AMIGO FEEDERS | Water | — | Significant Violation |
| Keyes | BADGER MIDSTREAM ENERGY LP / HANES COMPRESSOR SITE | Air | — | No Violation Identified |
| Keyes | CIMARRON ELEVATOR INC / KEYES | Air | — | No Violation Identified |
| Keyes | COLORADO INTERSTATE/KEYES CMPSR STA | Air, Hazardous waste | — | No Violation Identified |
| Keyes | JBS FIVE RIVERS RANCH CATTLE FEEDING LL / CIMARRON FEEDERS | Air | — | No Violation Identified |
| Keyes | KEYES UTILITY AUTH.-CHLORINATION STATION | Drinking water | — | No Violation Identified |
| Keyes | MIDSTREAM ENGRY SVC LLC/STURGIS CMPSR STA | Air, Hazardous waste | — | No Violation Identified |
| Keyes | TMOBILE CENTRAL LLC / KEYES OK02634A | Air | — | No Violation Identified |
| Keyes | UNIT PETROLEUM CO / STEWART A NO 2 | Air | — | No Violation Identified |
| Keys | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / KEYS 10014907 | Air | — | No Violation Identified |
| Kiefer | ADVANCED TRANSPORTATION LLC | Hazardous waste | — | No Violation Identified |
| Kiefer | KIEFER MS4 | Water | — | No Violation Identified |
| Kiefer | KIEFER PUBLIC WORKS AUTHORITY | Water | 4 | No Violation Identified |
| Kiefer | SOUTHWESTERN BELL TELEPHONE CO DBA AT A / KIEFER CO R66127 | Air | — | No Violation Identified |
| Kiefer | VERIZON WIRELESS / KIEFER | Air | — | No Violation Identified |
| Kildare | GLB EXPLORATION INC / OTTO 1A PAD | Air | — | No Violation Identified |
| Knowles | DCP MIDSTREAM LP/BEAVER CNTY 2 | Air | — | No Violation Identified |
| Knowles | DCP MIDSTREAM LP/NORTH KNOWLES COMPRE | Air | — | No Violation Identified |
| Knowles | DCP OPERATING CO LP / KNOWLES STATION | Air | — | No Violation Identified |
| Knowles | DCP OPERATING CO LP / RIVERSIDE STATION | Air | — | No Violation Identified |
| Knowles | EIGER OPERATING COMPANY LLC / OVERTON 1 8 | Air | — | No Violation Identified |
| Knowles | FOUNDATION ENERGY MANAGEMENT LLC / HILDERBRAND 1 22 STATION | Air | — | No Violation Identified |
| Knowles | FOUNDATION ENERGY MANAGEMENT LLC / REVA 1 2 STATION | Air | — | No Violation Identified |
| Konawa | KONAWA PWA-TREATMENT PLANT | Drinking water | 1 | No Violation Identified |
| Konawa | KONAWA SCHOOL-CL2 STATION WELLS 1 & 2 | Drinking water | — | No Violation Identified |
| Konawa | KONAWA, CITY OF | Water | 2 | No Violation Identified |
| Konawa | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / DBS KONAWA TU0845 | Air | — | No Violation Identified |
| Konawa | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / KONAWA 10127770 | Air | — | No Violation Identified |
| Konawa | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / OKL00899 | Air | — | No Violation Identified |
| Konawa | OG&E -SEMINOLE | Water | — | No Violation Identified |
| Konawa | OG&E SEMINOLE GENERATING STATION | Air, Hazardous waste | — | No Violation Identified |
| Konawa | OKLAHOMA AZTEC COMPANY, INC. | Water | — | No Violation Identified |
| Konawa | SILVER CREEK OIL AND GAS LLC / THE DANCE PAD | Air | — | No Violation Identified |
| Konawa | TMOBILE CENTRAL LLC / OK01869A | Air | — | No Violation Identified |
| Krebs | BLUE WATER RESOURCES LLC / BAPTIST 1 STATION | Air | — | No Violation Identified |
| Krebs | EW OPERATING OK LLC / WILDLIFE 3 16 STA | Air | — | No Violation Identified |
| Krebs | FOUNDATION ENERGY MANAGEMENT LLC / DELPHIA 1 34H | Air | — | No Violation Identified |
| Krebs | KREBS UTILITIES AUTHORITY | Water | 1 | Violation Identified |
| Krebs | KREBS UTILITY AUTHORITY-KREBS WTP | Drinking water | 5 | No Violation Identified |
| Krebs | KREBS VINTAGE STEEL | Water | — | No Violation Identified |
| Krebs | MERIT ENERGY CO / SPARTAN 11 2H SILVA 14 3H | Air | — | No Violation Identified |
| Krebs | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / KREBS | Air | — | No Violation Identified |
| Krebs | PETROLINK ENERGY LLC / ASH CREEK COMPRESSOR STATION | Air | — | No Violation Identified |
| Krebs | RICHVILLE COMPRESSOR STATION | Air | — | No Violation Identified |
| Kremlin | KREMLIN-HILLSDALE RURAL WATER DISTRICT 1-CHLORINATION STATION | Drinking water | 4 | No Violation Identified |
| Kremlin | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / DR. BOBBY KANG FA14206962 | Air | — | No Violation Identified |
| Kremlin | OXBOW CALCINING LLC | Air, Hazardous waste | — | No Violation Identified |
| Kremlin | SANDRIDGE EXPLORATION AND PRODUCTION LL / CARLSON TRUST 2407 3 15H CARLSON TRUST | Air | — | No Violation Identified |
| Kremlin | SANDRIDGE EXPLORATION AND PRODUCTION LL / FROST 2407 1 23H | Air | — | No Violation Identified |
| Kremlin | SANDRIDGE EXPLORATION AND PRODUCTION LL / GRAY 1 18H RDG 1 19H RDG 2 19H GRAY 2 | Air | — | No Violation Identified |
| Kremlin | SANDRIDGE EXPLORATION AND PRODUCTION LL / HARMON 2 3H HAYES 2 10H JERRY 1 11H | Air | — | No Violation Identified |
| Kremlin | SANDRIDGE EXPLORATION AND PRODUCTION LL / HOPKINS 1 7H CARA 1 6H HOPKINS 2 7H CA | Air | — | No Violation Identified |
| Kremlin | SANDRIDGE EXPLORATION AND PRODUCTION LL / MITCHELL REDGATE 2406 1 12H | Air | — | No Violation Identified |
| Kremlin | SANDRIDGE EXPLORATION AND PRODUCTION LL / RAHM 1 3H GINGER 1 10H GINGER 2 10H RA | Air | — | No Violation Identified |
| Kremlin | SANDRIDGE EXPLORATION AND PRODUCTION LL / SHAUNA 1 12H EDDIE 1 1H SHAUNA 2 12H | Air | — | No Violation Identified |
| Kremlin | SANDRIDGE EXPLORATION AND PRODUCTION LL / WILLIAM 2407 1 35H WILLIAM 2407 2 35H | Air | — | No Violation Identified |
| Kremlin | TARGA PIPELINE MIDCONTINENT WESTOK LLC / KREMLIN COMPRESSOR STATION | Air | — | No Violation Identified |
| Kremlin | VERIZON WIRELESS / KREMLIN OK | Air | — | No Violation Identified |
| Lacey | DCP OPERATING CO LP / LYONS BOOSTER STATION | Air | — | No Violation Identified |
| Lahoma | CELLULAR NETWORK PARTNERSHIP DBA PIONEE / LAHOMA II | Air | — | No Violation Identified |
| Lahoma | LAHOMA PWA-CHLORINATION STATION WELL 1 NORTH | Drinking water | — | No Violation Identified |
| Lahoma | LAHOMA WWT | Water | 1 | No Violation Identified |
| Lahoma | MUSTANG GAS PRODUCTS LLC / DRUMMOND COMPRESSOR STATION | Air | — | No Violation Identified |
| Lamont | FORMENTERA OPERATIONS / MARCELLA 1 36H | Air | — | No Violation Identified |
| Lamont | LAMONT LA-1 LP REPLACEMENT | Water | — | No Violation Identified |
| Lamont | MUEGGE FEEDLOT | Water | — | Unknown |
| Lamont | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / ROSS WHITEHEAD FA14206963 | Air | — | No Violation Identified |
| Lamont | SANDRIDGE EXPLORATION AND PRODUCTION LL / KIMMY 2603 1 26H HEMBREE 2603 1 23H | Air | — | No Violation Identified |
| Lamont | VERIZON WIRELESS / LAMONT | Air | — | No Violation Identified |
| Lane | CELLULAR NETWORK PARTNERSHIP DBA PIONEE / LANE | Air | — | No Violation Identified |
| Lane | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / HIGHWAY 3 AND LANE 10042252 | Air | — | No Violation Identified |
| Lane | ODOC MCLEOD SKILLS CENTER | Hazardous waste | — | No Violation Identified |
| Lane | TMOBILE CENTRAL LLC / T MOBILE BRUNO | Air | — | No Violation Identified |
| Langley | AMERICAN TOWER ASSET SUB II LLC / LANGLEY OK 308174 | Air | — | No Violation Identified |
| Langley | FORMER DENTSPLY TULSA DENTAL SPEC SPORTSWIRE | Hazardous waste | — | No Violation Identified |
| Langley | GRAND RIVER DAM AUTH-PENSACOLA | Water | — | No Violation Identified |
| Langley | GRAND RIVER DAM AUTHORITY / PENSACOLA REPEATER | Air | — | No Violation Identified |
| Langley | GRAND RIVER DAM AUTHORITY PENSACOLA DAM | Air, Hazardous waste | — | No Violation Identified |
| Langley | LANGLEY PUBLIC WORKS AUTHORITY | Water | 1 | No Violation Identified |
| Langley | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / NORTHWEST LANGLEY 10148018 | Air | — | No Violation Identified |
| Langston | AJP DISPOSAL / AJP DISPOSAL | Air | — | No Violation Identified |
| Langston | LANGSTON PWA-LANGSTON WTP | Drinking water | 1 | Violation Identified |
| Langston | LANGSTON WWTP | Water | — | Violation Identified |
| Langston | TMOBILE CENTRAL LLC / OK01705A LANGSTON | Air | — | No Violation Identified |
| Langston | VERIZON WIRELESS / LANGSTON | Air | — | No Violation Identified |
| Laverty | UNIT PETROLEUM CO / SCHMIDT 16 3H | Air | — | No Violation Identified |
| Leach | VERIZON WIRELESS / LEACH | Air | — | No Violation Identified |
| Lebanon | CELLULAR NETWORK PARTNERSHIP DBA PIONEE / LEBANON | Air | — | No Violation Identified |
| Lebanon | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / MINYARD 14650593 | Air | — | No Violation Identified |
| Leedy | ALEDO INTERCONNECT/ONEOK GAS TRANSPORTATION L.L.C. | Hazardous waste | — | No Violation Identified |
| Leflore | ABUNDANCE ENERGY SERVICES LLC / MINGS UNIT 16 1 STATION | Air | — | No Violation Identified |
| Leflore | LEFLORE COUNTY RW & SD #5 | Water | — | No Violation Identified |
| Leflore | MERIT ENERGY CO / KENNEDY UNIT NO 02 19 | Air | — | No Violation Identified |
| Lehigh | FOUNDATION ENERGY MANAGEMENT LLC / RAY 20 1H 1 | Air | — | No Violation Identified |
| Lehigh | MERIT ENERGY CO / CITY OF LEHIGH 16 1H | Air | — | No Violation Identified |
| Lehigh | MERIT ENERGY CO / MOELLER FEDERAL 34 1H DUNCAN 27 2H | Air | — | No Violation Identified |
| Lenapah | LENAPAH PUBLIC WORKS AUTHORITY | Drinking water | 5 | No Violation Identified |
| Lenapah | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / RD 424 LENAPAH CELL TOWER CLLC10125514 | Air | — | No Violation Identified |
| Lenapah | NFCDA ENERGY LLC / WEST LENAPAH COMPRESSOR STATION | Air | — | No Violation Identified |
| Lenapah | TMOBILE CENTRAL LLC / TU01969A | Air | — | No Violation Identified |
| Lenapah | US CELLULAR / US CELLULAR LENAPAH 222512 | Air | — | No Violation Identified |
| Lenapah | VERIZON WIRELESS / LENAPAH | Air | — | No Violation Identified |
| Lenora | CASCADE PIPELINE LLC / LENORA COMPRESSOR STATION | Air | — | No Violation Identified |
| Lenora | COMPRESSOR STATION 158 | Air | — | No Violation Identified |
| Lenora | DIVERSIFIED PRODUCTION LLC / DRINNON 32 18 17 1H PAD | Air | — | No Violation Identified |
| Lenora | DIVERSIFIED PRODUCTION LLC / MYERS 5 17 18 1H STATION | Air | — | No Violation Identified |
| Lenora | DIVERSIFIED PRODUCTION LLC / NICHOLS 33 18 18 1H | Air | — | No Violation Identified |
| Lenora | DUNCAN OIL PROPERTIES INC / TERRY R NICHOLS 1 28H | Air | — | No Violation Identified |
| Leon | CONTINENTAL RESOURCES / AURORA 1 15 10XHW | Air | — | No Violation Identified |
| Leonard | OG AND E - TD AND TS / LEONARD FACILITY | Air | — | No Violation Identified |
| Leonard | PUBLIC SERVICE COMPANY OF OKLAHOMA / LEONARD TS | Air | — | No Violation Identified |
| Lequire | ABUNDANCE ENERGY I LLC / HIGHTOWER 2 STATION | Air | — | No Violation Identified |
| Lequire | CITATION OIL AND GAS CORP / HIGHTOWER NO 1 33 TANK BATTERY | Air | — | No Violation Identified |
| Lequire | ET GATHERING PROCESSING LLC / FURROW COMPRESSOR STATION | Air | — | No Violation Identified |
| Lequire | ET GATHERING PROCESSING LLC / LEQUIRE COMPRESSOR STATION | Air | — | No Violation Identified |
| Lequire | MERIT ENERGY CO / BEN MCDANIEL 1 27 | Air | — | No Violation Identified |
| Lequire | MERIT ENERGY CO / OLIVER HEIRS 2 26 | Air | — | No Violation Identified |
| Lequire | MERIT ENERGY CO / REX 1 COMPRESSOR SITE | Air | — | No Violation Identified |
| Lequire | MERIT ENERGY CO / SERVICE DRILLING STATION | Air | — | No Violation Identified |
| Lequire | MERIT ENERGY CO / TURKEY FLAT NO 01 16 WELLSITE | Air | — | No Violation Identified |
| Lequire | MMGK ARKOMA LLC / READING 1 | Air | — | No Violation Identified |
| Lequire | OZARK GAS GATHERING LLC/WEST KINTA CMPSR STA | Air | — | No Violation Identified |
| Lequire | OZARK GAS TRANSMISSION LLC / LEQUIRE COMPRESSOR STATION | Air | — | No Violation Identified |
| Lequire | US CELLULAR / US CELLULAR LEQUIRE 571368 | Air | — | No Violation Identified |
| Lexington | ENERFIN GATHERING LLC / LEXINGTON COMPRESSOR STATION | Air | 1 | No Violation Identified |
| Lexington | JOSEPH HARP CORR INST-CL2 STATION WELL 3 | Drinking water | — | No Violation Identified |
| Lexington | LEXINGTON PUBLIC WORKS AUTH | Water | 3 | No Violation Identified |
| Lexington | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / EAST LEXINGTON 10131786 | Air | — | No Violation Identified |
| Lexington | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / OKL01967 LEXINGTON 12705361 | Air | — | No Violation Identified |
| Lexington | OECFIBER / LEXINGTON | Air | — | No Violation Identified |
| Lexington | OKLA ARMY NATIONAL GUARD OMS17 | Hazardous waste | — | No Violation Identified |
| Lexington | OKLAHOMA MILITARY DEPARTMENT / ARMY AVIATION SUPPORT FACILITY 1 | Air | — | No Violation Identified |
| Lexington | TOPLINE AUTO | Hazardous waste | — | No Violation Identified |
| Libbey | RESOURCE OIL AND GAS LLC / DENNING 1 30 | Air | — | No Violation Identified |
| Libbey | RESOURCE OIL AND GAS LLC / HEATLEY 1 24 | Air | — | No Violation Identified |
| Little | PETROLINK ENERGY LLC / SECTION 6 STATION | Air | — | No Violation Identified |
| Little | SCISSORTAIL ENERGY LLC / SECTION 23 BOOSTER STATION | Air | — | No Violation Identified |
| Little Axe | OECFIBER / LITTLE AXE | Air | — | No Violation Identified |
| Little City | TARGA PIPELINE MIDCONTINENT LLC / GOFF COMPRESSOR STATION | Air | — | No Violation Identified |
| Little City | XTO ENERGY INC / GALILEO 1 1H LUNA 1 6H PRODUCTION SIT | Air | — | No Violation Identified |
| Little City | XTO ENERGY INC / JOHNSON 1 31H PRODUCTION SITE | Air | — | No Violation Identified |
| Little City | XTO ENERGY INC / JOHNSON 1 6H7 GALILEO 2 3 4 6H1 LUNA | Air | — | No Violation Identified |
| Little City | XTO ENERGY INC / LITTLE CITIES CDP OBANION 1 2 25H PRO | Air | — | No Violation Identified |
| Little City | XTO ENERGY INC / LONG 1 32H33 PRODUCTION SITE | Air | — | No Violation Identified |
| Little City | XTO ENERGY INC / O BANION SISTERS 1 25H30 PRODUCTION SI | Air | — | No Violation Identified |
| Little City | XTO ENERGY INC / OPTIMO 2 3 4 5 26H23 | Air | — | No Violation Identified |
| Little City | XTO ENERGY INC / RICHARDSON 1 5H RICHARDSON 2 3 8H5 PR | Air | — | No Violation Identified |
| Little City | XTO ENERGY INC / SHELBY 1 2 3 4 2H1 PRODUCTION SITE | Air | — | No Violation Identified |
| Loco | CITATION OIL AND GAS CORP / MILROY DEESE CENTRAL TANK BATTERY K JO | Air | — | No Violation Identified |
| Loco | CONTINENTAL RESOURCES / CONNELL 1 13 12XH 2 13 12 1XHS | Air | — | No Violation Identified |
| Loco | CONTINENTAL RESOURCES / CONNELL 3 13 12 1XHM | Air | — | No Violation Identified |
| Loco | CONTINENTAL RESOURCES / CONNELL 4 13 12 1XHS | Air | — | No Violation Identified |
| Loco | CONTINENTAL RESOURCES / DYESS 1 1H | Air | — | No Violation Identified |
| Loco | CONTINENTAL RESOURCES / GARRETT 1 36H | Air | — | No Violation Identified |
| Loco | CONTINENTAL RESOURCES / RITTER 1 3 34XH | Air | — | No Violation Identified |
| Loco | LOCO UNIT SECTION 8 TANK BATTERY | Air | — | No Violation Identified |
| Loco | LOCO UNIT SECTION 9A SOUTH TANK BATTERY | Air | — | No Violation Identified |
| Loco | LOCO UNIT SECTION 9B EAST TANK BATTERY | Air | — | No Violation Identified |
| Loco | NEW CINGULAR WIRELESS PCS LLC DBA AT AN / HWY 53 LOCO CELL TOWER CLLC10135240 | Air | — | No Violation Identified |
| Loco | STEPHENS CO RWD #4 (LOCO) | Drinking water | — | Inactive |
| Loco | WESTERN FARMERS ELECTRIC COOPERATIVE / LOCO SW | Air | — | No Violation Identified |
| Loco | XTO ENERGY INC / RITTER 1 14H PRODUCTION SITE | Air | — | No Violation Identified |
| Locust Grove | EXPRESS METAL FABRICATORS INC | Air, Hazardous waste | — | No Violation Identified |