Hazardous waste · inspections by year
Large quantity generators inspected in Oklahoma in 2026
- 17Handlers inspected
- 19Inspections on record
- 35Handlers inspected in 2025
- 2ndAmong Oklahoma counties that year
Oklahoma has 17 hazardous waste handlers with at least one inspection on record during 2026, across 19 separate inspections. That compares with 35 in 2025. It is the 2nd largest of the 3 Oklahoma counties with three or more handlers inspected that year. Each row below carries the date the inspection was recorded, the agency that recorded it and the kind of inspection it was.
Other years
Inspections recorded in 2026
| Date | Handler | Where | Kind | Recorded by |
|---|---|---|---|---|
| 2026-09-09 | PHILLIPS 66 RESEARCH CENTER | Bartlesville | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-08-05 | MCALESTER ARMY AMMUNITION PLANT | Mcalester | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-07-22 | EURECAT US (WAS TRICAT INC.) | Mcalester | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-07-17 | S & R COMPRESSION | Tulsa | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-06-23 | ARCOSA WIND TOWERS, PLANT #1675 | Tulsa | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-06-15 | TINKER AIR FORCE BASE | Tinker Afb | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-06-09 | WYNNEWOOD REFINING COMPANY, L.L.C. | Wynnewood | GROUNDWATER MONITORING EVALUATION | S |
| 2026-06-04 | CLEAN HARBORS LONE MOUNTAIN LLC | Orienta | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-05-12 | VANCE AFB | Vance Afb | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-05-07 | US ARMY IMCOM, HQ, US ARMY GARRISON ENVIRONMENTAL QUALITY | Fort Sill | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-05-04 | BORDWINE DEVELOPMENT | Chickasha | FOLLOW-UP INSPECTION | S |
| 2026-04-22 | ALLIED MATERIALS CORPORATION | Stroud | GROUNDWATER MONITORING EVALUATION | S |
| 2026-04-21 | CLEAN HARBORS LONE MOUNTAIN LLC | Orienta | GROUNDWATER MONITORING EVALUATION | S |
| 2026-04-09 | WYNNEWOOD REFINING COMPANY, L.L.C. | Wynnewood | NO LONGER A SIGNIFICANT NON-COMPLIER | S |
| 2026-03-10 | PHILLIPS 66 PONCA CITY REFINERY | Ponca City | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-02-25 | CHROMIUM PLATING COMPANY | Tulsa | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-02-25 | LMI FINISHING, INC | Tulsa | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-02-05 | MERTZ INTEGRATION, LLC | Ponca City | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-01-15 | BLUEARC INNOVATIONS, LLC | Marlow | COMPLIANCE EVALUATION INSPECTION | S |
Figures from EPA’s RCRAInfo download.