Hazardous waste · inspections by year
Large quantity generators inspected in Colorado in 2025
- 52Handlers inspected
- 155Inspections on record
- 48Handlers inspected in 2024
- 3rdAmong Colorado counties that year
Colorado has 52 hazardous waste handlers with at least one inspection on record during 2025, across 155 separate inspections. That compares with 48 in 2024. It is the 3rd largest of the 3 Colorado 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 2025
| Date | Handler | Where | Kind | Recorded by |
|---|---|---|---|---|
| 2025-12-22 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-12-18 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-12-17 | US DOE NATIONAL LABORATORY OF THE ROCKIES | Golden | SIGNIFICANT NON-COMPLIER | S |
| 2025-12-11 | SUNCOR ENERGY (USA) INC - COMMERCE CITY REFINERY | Commerce City | OPERATION AND MAINTENANCE INSPECTION | S |
| 2025-12-11 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-12-09 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-12-09 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-12-09 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | NO LONGER A SIGNIFICANT NON-COMPLIER | S |
| 2025-11-20 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-11-20 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-11-12 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-11-04 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-10-30 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-10-30 | EUROFINS DENVER | Arvada | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-10-30 | EUROFINS DENVER | Arvada | NO LONGER A SIGNIFICANT NON-COMPLIER | S |
| 2025-10-23 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-10-22 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-10-16 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-10-16 | LABCORP LAKEWOOD | Lakewood | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-10-07 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-09-30 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-09-29 | SWARCO COLORADO PAINT LLC | Aurora | SIGNIFICANT NON-COMPLIER | S |
| 2025-09-25 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-09-17 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-09-16 | US ARMY - FORT CARSON | Fort Carson | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-09-11 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-09-05 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-09-04 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-09-03 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-08-21 | US DOE NATIONAL LABORATORY OF THE ROCKIES | Golden | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-08-21 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-08-20 | WEST STAR AVIATION LLC | Grand Junction | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-08-20 | WEST STAR AVIATION LLC | Grand Junction | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-08-19 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | NON-FINANCIAL RECORD REVIEW | S |
| 2025-08-12 | NECTAR PROCESSING | Evergreen | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-08-08 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-08-06 | WRIGHT & MCGILL COMPANY | Denver | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-08-06 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-08-04 | VEOLIA ES TECHNICAL SOLUTIONS LLC | Henderson | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-08-01 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-08-01 | SCHLAGE LOCK COMPANY LLC | Security | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-08-01 | XPO LOGISTICS FREIGHT INC - UDV | Henderson | COMPLIANCE EVALUATION INSPECTION | E |
| 2025-07-31 | XPO LOGISTICS FREIGHT INC - UDV | Henderson | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-30 | UNIVERSITY OF COLORADO - BOULDER | Boulder | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-30 | UNIVERSITY OF COLORADO - BOULDER | Boulder | COMPLIANCE EVALUATION INSPECTION | E |
| 2025-07-30 | UNIVERSITY OF COLORADO - BOULDER | Boulder | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-29 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | CORRECTIVE ACTION COMPLIANCE EVALUATION | S |
| 2025-07-29 | EUROFINS DENVER | Arvada | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-07-29 | EUROFINS DENVER | Arvada | FOLLOW-UP INSPECTION | S |
| 2025-07-24 | CF&I STEEL L.P. DBA ROCKY MOUNTAIN STEEL MILLS | Pueblo | CORRECTIVE ACTION COMPLIANCE EVALUATION | S |
| 2025-07-24 | WEST STAR AVIATION LLC | Grand Junction | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-24 | WEST STAR AVIATION LLC | Grand Junction | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-23 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-07-23 | TOTALENERGIES PETROCHEMICALS & REFINING USA INC - GRAND JUNCTION PLANT | Grand Junction | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-22 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-07-18 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-07-18 | WOODWARD | Fort Collins | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-07-17 | NECTAR PROCESSING | Evergreen | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-16 | VEOLIA ES TECHNICAL SOLUTIONS LLC | Henderson | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-09 | ROCKY MOUNTAIN ARSENAL | Commerce City | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-07-09 | ROCKY MOUNTAIN ARSENAL | Commerce City | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-07-09 | WRIGHT & MCGILL COMPANY | Denver | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-08 | EUROFINS DENVER | Arvada | SIGNIFICANT NON-COMPLIER | S |
| 2025-07-07 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-07-03 | ARC COLORADO INC | Longmont | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-07-02 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-06-28 | AMAZON.COM SERVICES LLC - DEN8 | Aurora | FACILITY SELF DISCLOSURE | S |
| 2025-06-26 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-06-26 | CUSTOM MICROWAVE INC | Longmont | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-06-25 | MILARC CABINETS | Windsor | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-06-25 | MILARC CABINETS | Windsor | COMPLIANCE EVALUATION INSPECTION | E |
| 2025-06-24 | UNIVERSITY OF COLORADO - BOULDER | Boulder | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-06-17 | US ARMY - FORT CARSON | Fort Carson | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-06-17 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-06-17 | SCHLAGE LOCK COMPANY LLC | Security | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-06-12 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-06-12 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-06-10 | US ARMY - FORT CARSON | Fort Carson | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-06-03 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-06-03 | WOODWARD | Fort Collins | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-05-30 | PENROSE HOSPITAL | Colorado Springs | FACILITY SELF DISCLOSURE | S |
| 2025-05-30 | GOODRICH CORP - CARBON OPERATIONS PUEBLO | Pueblo | FACILITY SELF DISCLOSURE | S |
| 2025-05-28 | SWARCO COLORADO PAINT LLC | Aurora | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-05-28 | ONTERRIS LABORATORIES LLC | Denver | FACILITY SELF DISCLOSURE | S |
| 2025-05-27 | THORNTON SHOPPING CENTER | Thornton | FACILITY SELF DISCLOSURE | S |
| 2025-05-22 | KBI BIOPHARMA INC | Boulder | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-05-20 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-05-20 | APOLLO SCIENCES | Aurora | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-05-19 | ARC COLORADO INC | Longmont | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-05-15 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-05-15 | CUSTOM MICROWAVE INC | Longmont | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-05-14 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-05-13 | ROCKY MOUNTAIN BOTTLE COMPANY | Wheat Ridge | SIGNIFICANT NON-COMPLIER | S |
| 2025-05-09 | USGS - NATIONAL WATER QUALITY LABORATORY | Denver | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-05-07 | ENTEGRIS ROCKRIMMON | Colorado Springs | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-05-05 | BIOPYURE | Arvada | FACILITY SELF DISCLOSURE | S |
| 2025-05-02 | BIRKO CO | Henderson | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-05-02 | MILARC CABINETS | Windsor | FACILITY SELF DISCLOSURE | S |
| 2025-05-02 | APOLLO SCIENCES | Aurora | SIGNIFICANT NON-COMPLIER | S |
| 2025-05-01 | COGENT BIOSCIENCES INC | Boulder | FACILITY SELF DISCLOSURE | S |
Figures from EPA’s RCRAInfo download.