| ALLIED WASTE SVCS - STILLWATER SANITARY LANDFILL | Air, Hazardous waste | — | — | — | No Violation Identified |
| AMAZON.COM SERVICES LLC - XWI4 | Hazardous waste | — | — | — | No Violation Identified |
| AMERICAN TOWER ASSET SUB II LLC / ORLANDO OK6 308056 | Air | — | — | — | No Violation Identified |
| AMERICAN TOWER ASSET SUB II LLC / SW STILLWATER OK 308096 | Air | — | — | — | No Violation Identified |
| AMERICAN TOWER ASSET SUB II LLC / TWIN MOUNDS OK 308079 | Air | — | — | — | No Violation Identified |
| AMERICAN TOWER ASSET SUB LLC / 308255 STILLWATER OK 6 | Air | — | — | — | No Violation Identified |
| ASCO AEROSPACE USA LLC | Air | 1 | — | — | No Violation Identified |
| ASPEN DENTAL | Hazardous waste | — | — | — | No Violation Identified |
| ASSOCIATED ELECTRIC COOP-RIPLEY ENERGY CENTER | Water | — | — | — | No Violation Identified |
| AT AND T MOBILITY / OK 1130 N STILLWATER | Air | — | — | — | No Violation Identified |
| AT AND T MOBILITY / OK 1225 SW OSU | Air | — | — | — | No Violation Identified |
| BILL KNIGHT COLLISION REPAIR | Hazardous waste | — | — | — | No Violation Identified |
| BOOMER LAKE STATION | Air, Water | 1 | — | — | No Violation Identified |
| BRINKMAN CORPORATION THE | Hazardous waste | — | — | — | No Violation Identified |
| CENTRAL RURAL ELECTRIC COOP | Hazardous waste | — | — | — | No Violation Identified |
| CHACE FAMILY CREMATORY LLC / CHACE FAMILY CREMATORY | Air | — | — | — | No Violation Identified |
| CITY OF STILLWATER TREATMENT PLANT | Hazardous waste | — | — | — | No Violation Identified |
| CONTANGO RESOURCES INC / ELLEN | Air | — | — | — | No Violation Identified |
| CONTANGO RESOURCES INC / HOPKINS PAD | Air | — | — | — | No Violation Identified |
| CVS PHARMACY #10101 | Hazardous waste | — | — | — | No Violation Identified |
| DUFFY DRY CLEAN CITY LLC DBA DRY CLEAN / 2203 W 6TH DRY CLEAN CITY | Air, Hazardous waste | — | — | — | No Violation Identified |
| DW-NATIONAL STANDARD-STILLWATER LLC | Air, Hazardous waste | 3 | — | — | No Violation Identified |
| EEC INC / STILLWATER 1 14H | Air | — | — | — | No Violation Identified |
| FAMILY DOLLAR #5117 | Hazardous waste | — | — | — | No Violation Identified |
| FES INC | Hazardous waste | — | — | — | No Violation Identified |
| FRACTIONATION RESEARCH INC. | Hazardous waste | 1 | 2 | $54,488 | No Violation Identified |
| FRONTIER ELECTRONIC SYSTEMS | Hazardous waste | — | — | — | No Violation Identified |
| G&M BODY SHOP EAST | Hazardous waste | — | — | — | No Violation Identified |
| G&M BODY SHOP WEST | Hazardous waste | 1 | — | — | No Violation Identified |
| GRAND RIVER DAM AUTHORITY / STILLWATER REPEATER | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / ADA RUTH PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / ADAMS PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / ALDEAN PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / BILLY RAE PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / BLACK WHITMAN PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / BODE WILLIAMS PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / BOOMER PAD | Air | 1 | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / CURTIS 6 2 6 3 7 1 7 2 PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / DUNCAN PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / GREENSHIELDS TRUST 1 23H | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / HINTON PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / J BODE PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / JARDOT SOS A 36 2 36 3 PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / KATZ 31 4WX | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / KATZ 6 1 PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / KATZ PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / LINEBERRY PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / OLTMANNS PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / PEACH 19 20 29 30 PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / PEGGY ANN PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / WEATHERS KOLE KADEN PAD | Air | — | — | — | No Violation Identified |
| GREAT HORNED OWLS LLC / YOST PAD | Air | — | — | — | No Violation Identified |
| GTP ACQUISITION PARTNERS II LLC / 373696 CHEROKEE OK | Air | — | — | — | No Violation Identified |
| INDIAN MERIDIN VO-TECH SCHOOL | Hazardous waste | 1 | — | — | No Violation Identified |
| KAMO POWER / STILLWATER 138 SUBSTATION | Air | — | — | — | No Violation Identified |
| KERN'S READY MIXED CONCRETE, INC. | Water | 2 | — | — | No Violation Identified |
| KOPCO, INC. | — | — | 1 | $1,400 | — |
| LASER MINERAL SVC / LIMESTONE TRANSFER STA | Air | — | — | — | No Violation Identified |
| LOWE'S OF STILLWATER, OK #241 | Hazardous waste | — | 2 | $141,730 | No Violation Identified |
| M K EXCAVATION LLC / 412 E 58TH | Air | 1 | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / 10152082 HIGHWAY 177 AND MCELROY | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / 12TH AND PERKINS 14615668 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / EAST STILLWATER OK1264 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / OK1863 LAKESIDE GOLF | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / OK1891 26TH AND WESTERN | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / OKL01385 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / STILLWATER 10000502 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / US 177 NORTH PERKINS 10148005 | Air | — | — | — | No Violation Identified |
| NORTHSIDE LAUNDRY AND CLNR / 402 S MAIN NORTHSIDE LNDRY | Air, Hazardous waste | 1 | — | — | No Violation Identified |
| O'REILLY AUTO PART STORE 164 | Hazardous waste | 1 | — | — | No Violation Identified |
| OKLA ARMY NATL GUARD OMS #4 | Hazardous waste | 1 | — | — | No Violation Identified |
| OKLAHOMA BEEF, INC. | Water | — | — | — | No Violation Identified |
| OKLAHOMA MILITARY DEPARTMENT / STILLWATER READINESS CENTER | Air | — | — | — | No Violation Identified |
| OKLAHOMA STATE DEPARTMENT OF HEALTH / STILLWATER FIELD OFFICE | Air | — | — | — | No Violation Identified |
| OKLAHOMA STATE UNIVERSITY | Air, Water, Hazardous waste | 2 | — | — | No Violation Identified |
| OKLAHOMA STATE UNIVERSTIY- SWINE BARN | Water | — | — | — | No Violation Identified |
| OLINGHOUSE STEEL SUPPLY AND FABRICATORS / OLINGHOUSE STEEL SUPPLY AND FABRICATIO | Air | — | — | — | No Violation Identified |
| OSU CENTER FOR LOCAL GOVERNMENT TECHNOLOGY | Hazardous waste | — | — | — | No Violation Identified |
| OSU WATER PLANT-OSU WTP | Drinking water | 5 | 3 | — | No Violation Identified |
| QUIKTRIP STORE # 43 | Hazardous waste | — | — | — | No Violation Identified |
| QXO - BRANCH #1934 STILLWATER | Hazardous waste | — | — | — | No Violation Identified |
| R.R. DONNELLEY & SONS COMPANY | Hazardous waste | — | — | — | No Violation Identified |
| RENAISSANCE OF STILLWATER | Hazardous waste | 1 | — | — | No Violation Identified |
| RIPLEY ENERGY CTR | Water | — | — | — | No Violation Identified |
| SEQUOYAH ENERGY HOLDINGS LLC / YOST 15 16 PAD | Air | — | — | — | No Violation Identified |
| SHEET VINYL FLOORING MFG FACILITY | Air, Hazardous waste | 2 | — | — | No Violation Identified |
| SHERWIN-WILLIAMS #707904 | Hazardous waste | 1 | — | — | No Violation Identified |
| SHUTTER MILL INC DBA KIRTZ SHUTTERS / STILLWATER FACILITY | Air | 1 | — | — | No Violation Identified |
| SOUTHWESTERN BELL TELEPHONE CO DBA AT A / STILLWATER STWROKCW | Air | — | — | — | No Violation Identified |
| SPECIAL ENERGY CORP / RAMSEY 1 18 SWD COMPRESSOR STATION | Air | — | — | — | No Violation Identified |
| STILLWATER ELECTRIC UTILITY / STILLWATER ENERGY CENTER | Air | — | — | — | No Violation Identified |
| STILLWATER HABITAT FOR HUMANITY | Hazardous waste | 1 | — | — | No Violation Identified |
| STILLWATER MARINE PROPULSION SYS | Air, Hazardous waste | 1 | — | — | No Violation Identified |
| STILLWATER MEDICAL CENTER AUTHORITY | Hazardous waste | — | — | — | No Violation Identified |
| STILLWATER MILLING CO / STILLWATER | Air | — | — | — | No Violation Identified |
| STILLWATER MS4 | Water | 3 | — | — | No Violation Identified |
| STILLWATER READY MIX INC / CONCRETE BATCH PLANT | Air | — | — | — | No Violation Identified |
| STILLWATER WATER TREATMENT PLANT | Air, Drinking water | 6 | 3 | — | No Violation Identified |
| STILLWATER, CITY OF | Water | 12 | 3 | — | Violation Identified |
| SUPERIOR MIDSTREAM LLC / STILLWATER COMPRESSOR STATION | Air | — | — | — | No Violation Identified |
| TMOBILE CENTRAL LLC / BOOMER CREEK OK01709B | Air | — | — | — | No Violation Identified |
| TMOBILE CENTRAL LLC / CELL SITE OK01710A | Air | — | — | — | No Violation Identified |
| TOM STACK LLC / BENNETT COMPRESSOR STATION | Air | — | — | — | No Violation Identified |
| TOM STACK LLC / SUTTON COMPRESSOR FACILITY | Air | — | — | — | No Violation Identified |
| TRACTOR SUPPLY # 1339 | Hazardous waste | 1 | — | — | No Violation Identified |
| UNITED PARCEL SERVICE, INC. (STILLWATER) | Hazardous waste | — | — | — | No Violation Identified |
| USA RARE EARTH MAGNETS LLC / STILLWATER FACILITY | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / ESKIMO JOES CELL SITE | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / GUTHRIE HWY 51 | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / I35 HWY 51 (271) CELL SITE | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / LAKE CARL BLACKWELL | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / OSU | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / SOUTH STILLWATER 2 CELL SITE | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / STILLWATER COUNTRY CLUB | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / STILLWATER NORTH | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / YOST OKLAHOMA | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / YOUNG OK | Air | — | — | — | No Violation Identified |
| WAL MART STORES EAST LP / WALMART NEIGHBORHOOD MARKET FUELING ST | Air | — | — | — | No Violation Identified |
| WALGREENS #5530 | Hazardous waste | 1 | — | — | No Violation Identified |
| WALMART NEIGHBORHOOD MARKET #5364 | Hazardous waste | 1 | — | — | No Violation Identified |
| WALMART SUPERCENTER #137 | Hazardous waste | — | — | — | No Violation Identified |
| WALMART SUPERCENTER #4241 | Air, Hazardous waste | — | — | — | No Violation Identified |
| WORLD COLOR USA LLC/STILLWATER DIV | Air, Hazardous waste | — | — | — | No Violation Identified |