| AIM CYLINDER HEAD & MACHINE LLC | Hazardous waste | — | — | — | No Violation Identified |
| AMERICAN TOWER ASSET SUB II LLC / 308196 ZEB | Air | — | — | — | No Violation Identified |
| AMERICAN TOWER ASSET SUB II LLC / SW TAHLEQUAH OK 308201 | Air | — | — | — | No Violation Identified |
| AMERICAN WOODMARK CORP | Hazardous waste | — | — | — | No Violation Identified |
| APAC CENTRAL INC/ROBERTS QUARRY | Air, Water | 3 | 1 | — | No Violation Identified |
| ARKHOLA DIV APAC AK/ROBERTS ASPHALT PLT | Air | 1 | — | — | No Violation Identified |
| ARROWHEAD CAMP-CL2 STATION WELL 1 | Drinking water | — | — | — | No Violation Identified |
| CHEROKEE CO. RWD #11 | Drinking water | — | — | — | No Violation Identified |
| CHEROKEE COUNTY RWD #3 | Water | — | — | — | No Violation Identified |
| CHEROKEE NATION - CHERRY TREE WASTEWATER LAGOONS AND COLLECTION SYSTEM | Water | — | 1 | — | — |
| CHEROKEE NATION OSU HEALTH SCIENCE CENTER | Water | — | — | — | No Violation Identified |
| CHEROKEE NATION OUTPATIENT HEALTH CENTER | Water | — | — | — | No Violation Identified |
| CHEROKEE NATION WW HASTINGS REPLACEMENT HOSPITAL | Water | — | — | — | No Violation Identified |
| CHEROKEE TAHLEQUAH RECOVERY CENTER | Water | — | — | — | No Violation Identified |
| COMET CLEANERS | Hazardous waste | — | — | — | No Violation Identified |
| EAGLE BLUFF RESORT (THUNDERBIRD RESORT)-CHLORINATION STATION | Drinking water | 1 | 3 | — | Violation Identified |
| FAMILY DOLLAR # 1149 | Hazardous waste | — | — | — | No Violation Identified |
| FAMILY DOLLAR #5387 | Hazardous waste | — | — | — | No Violation Identified |
| GANS UTILITY AUTHORITY | Drinking water | 2 | — | — | No Violation Identified |
| GREENHAW EDDINGS FORD | Hazardous waste | — | — | — | No Violation Identified |
| INDIAN CAPITAL VO-TECH | Hazardous waste | — | — | — | No Violation Identified |
| INDIAN CAPITAL VO-TECH (BODY SHOP) | Hazardous waste | — | — | — | No Violation Identified |
| KAMO POWER / TAHLEQUAH POP | Air | — | — | — | No Violation Identified |
| LOWE'S OF TAHLEQUAH, OK #1818 | Hazardous waste | — | 2 | $141,730 | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / 10125407 DBS BRIGGS | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / BENNET FA14469501 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / C ATT MAINT YARD RL 12716264 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / CHEROKEE ENTERPRISES 14537205 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / CHEROKEE NATION 10029320 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / DBS SCRAPER 10125522 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / DBS TAHLEQUAH TU0733 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / FORT GIBSON 10125453 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / NSU TAHLEQUAH II | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / SPARROW HAWK 14565943 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / TAHLEQUAH CO 10006519 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / W TAHLEQUAH TU0403 | Air | — | — | — | No Violation Identified |
| NEW CINGULAR WIRELESS PCS LLC DBA AT AN / ZEB 10041491 | Air | — | — | — | No Violation Identified |
| NORTHEAST OKLAHOMA PUBLIC FACILITIES AUTHORITY | Hazardous waste | — | — | — | No Violation Identified |
| O'REILLY AUTO PART STORE 187 | Hazardous waste | — | — | — | No Violation Identified |
| OILSTONE LLC / TAHLEQUAH PLANT | Air | 1 | — | — | No Violation Identified |
| SHERWIN WILLIAMS STORE #7450 | Hazardous waste | — | — | — | No Violation Identified |
| STICKROSS MOUNTAIN WATER CO-CHLORINATION STATION | Drinking water | 2 | 5 | — | No Violation Identified |
| TAHLEQUAH MS4 | Water | 2 | — | — | No Violation Identified |
| TAHLEQUAH PUBLIC WORKS | Hazardous waste | — | — | — | No Violation Identified |
| TAHLEQUAH PWA | Water | 7 | 9 | $44,375 | No Violation Identified |
| TAHLEQUAH PWA-TAHLEQUAH WTP (ILLINOIS RIVER) | Drinking water | 1 | 3 | — | No Violation Identified |
| TAYLOR CONCRETE CONSTRUCTION | Hazardous waste | — | — | — | No Violation Identified |
| TMOBILE CENTRAL LLC / ELDON | Air | — | — | — | No Violation Identified |
| TMOBILE CENTRAL LLC / MOODYS | Air | — | — | — | No Violation Identified |
| TMOBILE CENTRAL LLC / TU02956A | Air | — | — | — | No Violation Identified |
| TOMMY NIX AUTOGROUP | Hazardous waste | — | — | — | No Violation Identified |
| TRACTOR SUPPLY # 1173 | Hazardous waste | — | — | — | No Violation Identified |
| VERIZON WIRELESS / FORT GIBSON | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / PARK HILL | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / TAHLEQUAH DT | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / TAHLEQUAH EAST | Air | — | — | — | No Violation Identified |
| VERIZON WIRELESS / TAHLEQUAH NORTH | Air | — | — | — | No Violation Identified |
| WALGREENS #10785 | Hazardous waste | — | — | — | No Violation Identified |
| WALGREENS #15059 | Hazardous waste | — | — | — | No Violation Identified |
| WALMART SUPERCENTER #10 | Air, Hazardous waste | — | — | — | No Violation Identified |