Hazardous waste · violations by year
Hazardous waste violations in Colorado in 2026
- 45Handlers cited
- 105Violations on record
- 57Handlers cited in 2025
- 1stAmong Colorado counties that year
Colorado has 45 hazardous waste handlers with at least one violation on record during 2026, across 105 separate violations. That compares with 57 in 2025. Each row below carries the date the violation was recorded, the agency that recorded it and the kind of violation it was.
Other years
Violations recorded in 2026
| Date | Handler | Where | Kind | Recorded by |
|---|---|---|---|---|
| 2026-08-26 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | Standards Applicable to Generators of HW: General | S |
| 2026-08-25 | SPECIALTY PLATING INC | Denver | Standards Applicable to Generators of HW: General | S |
| 2026-08-20 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | EPA Administered Permit Programs: the HW Permit Program Permit Conditions | S |
| 2026-08-20 | INOTIV BOULDER | Boulder | Standards Applicable to Generators of HW: General | S |
| 2026-08-20 | AAA COOPER TRANSPORTATION - DEN | Henderson | Land Disposal Restrictions: General | S |
| 2026-08-20 | AAA COOPER TRANSPORTATION - DEN | Henderson | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | S |
| 2026-08-20 | AAA COOPER TRANSPORTATION - DEN | Henderson | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | S |
| 2026-08-20 | AAA COOPER TRANSPORTATION - DEN | Henderson | Standards Applicable to Generators of HW: General | S |
| 2026-08-20 | AAA COOPER TRANSPORTATION - DEN | Henderson | Standards Applicable to Generators of HW: Alternative Standards for Episodic Generators | S |
| 2026-08-19 | BOTANACOR LABORATORIES | Denver | Standards for Universal Waste Management: General | S |
| 2026-08-06 | VERTEC TOOL INC | Colorado Springs | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | S |
| 2026-08-05 | QUALITY LININGS COMPANY INC | Denver | Violation of a Federal or State Statute | S |
| 2026-08-05 | QUALITY LININGS COMPANY INC | Denver | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | S |
| 2026-08-05 | QUALITY LININGS COMPANY INC | Denver | Standards Applicable to Generators of HW: General | S |
| 2026-08-04 | VERITIV OPERATING COMPANY | Denver | Standards for Universal Waste Management: General | S |
| 2026-07-24 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | EPA Administered Permit Programs: the HW Permit Program Permit Conditions | S |
| 2026-07-22 | CORDEN PHARMA COLORADO INC | Boulder | Standards Applicable to Generators of HW: General | S |
| 2026-07-22 | BLUCORE SHOOTING CENTER | Lakewood | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | S |
| 2026-07-22 | BLUCORE SHOOTING CENTER | Lakewood | Standards Applicable to Generators of HW: General | S |
| 2026-07-15 | FLORIDA CIRTECH INC | Greeley | Standards Applicable to Generators of HW: General | S |
| 2026-07-15 | FLORIDA CIRTECH INC | Greeley | Standards for Universal Waste Management: General | S |
| 2026-07-15 | FLORIDA CIRTECH INC | Greeley | Standards Applicable to Generators of HW: Alternative Standards for Episodic Generators | S |
| 2026-07-08 | MERRITT TRAILERS INC | Henderson | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | S |
| 2026-07-08 | MERRITT TRAILERS INC | Henderson | Standards for Used Oil: Generators | S |
| 2026-07-08 | MERRITT TRAILERS INC | Henderson | Standards Applicable to Generators of HW: General | S |
| 2026-07-08 | MERRITT TRAILERS INC | Henderson | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | S |
| 2026-07-08 | MERRITT TRAILERS INC | Henderson | Land Disposal Restrictions: General | S |
| 2026-07-08 | MERRITT TRAILERS INC | Henderson | Standards for Universal Waste Management: General | S |
| 2026-07-08 | COLORADO CHROMATOGRAPHY | Golden | Standards Applicable to Generators of HW: General | S |
| 2026-07-08 | COLORADO CHROMATOGRAPHY | Golden | Standards for Used Oil: Generators | S |
| 2026-07-08 | COLORADO CHROMATOGRAPHY | Golden | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | S |
| 2026-07-08 | COLORADO CHROMATOGRAPHY | Golden | Land Disposal Restrictions: General | S |
| 2026-07-08 | COLORADO CHROMATOGRAPHY | Golden | Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators | S |
| 2026-06-24 | TENERE INC | Westminster | Standards Applicable to Generators of HW: General | S |
| 2026-06-24 | TENERE INC | Westminster | Standards for Universal Waste Management: General | S |
| 2026-06-18 | CRIPPLE CREEK & VICTOR MINING | Victor | Standards Applicable to Generators of HW: General | S |
| 2026-06-18 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | EPA Administered Permit Programs: the HW Permit Program Permit Conditions | S |
| 2026-06-18 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | Standards for Owners and Operators of HW TSDs: Landfills RCRAInfo V3 Violation | S |
| 2026-06-17 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | EPA Administered Permit Programs: the HW Permit Program Permit Conditions | S |
| 2026-06-09 | PIKES PEAK COMMUNITY COLLEGE | Colorado Springs | Standards Applicable to Generators of HW: General | S |
| 2026-06-09 | CHEVRON MIDSTREAM SERVICES/BLACK DIAMOND STORAGE - MILTON CRUDE TERMINAL | La Salle | Standards Applicable to Generators of HW: General | S |
| 2026-06-09 | CHEVRON MIDSTREAM SERVICES/BLACK DIAMOND STORAGE - MILTON CRUDE TERMINAL | La Salle | Standards Applicable to Generators of HW: General | S |
| 2026-06-08 | GOLDEN GATE / SET PETROLEUM | Fruita | Standards for Owners and Operators of HW TSDs: Special Provisions for Cleanup | S |
| 2026-06-05 | UNITED PARCEL SERVICE - COMMERCE CITY | Commerce City | Standards Applicable to Generators of HW: General | S |
| 2026-06-03 | PIKES PEAK COMMUNITY COLLEGE | Colorado Springs | Standards for Universal Waste Management: General | S |
| 2026-06-03 | PIKES PEAK COMMUNITY COLLEGE | Colorado Springs | Violation of a Federal or State Statute | S |
| 2026-06-02 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | Standards for Owners and Operators of HW TSDs: Contingency Plan and Emergency Procedures | S |
| 2026-06-02 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | Standards Applicable to Generators of HW: General | S |
| 2026-06-02 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | EPA Administered Permit Programs: the HW Permit Program Permit Conditions | S |
| 2026-05-29 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | S |
| 2026-05-29 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | EPA Administered Permit Programs: the HW Permit Program Permit Conditions | S |
| 2026-05-29 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | EPA Administered Permit Programs: the HW Permit Program Permit Conditions | S |
| 2026-05-29 | DICERNA PHARMACEUTICALS - PILOT | Boulder | Interim Status Standards for Owners and Operators of HW TSDs: Air Emission Standards for Equipment Leaks | S |
| 2026-05-26 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | EPA Administered Permit Programs: the HW Permit Program Permit Conditions | S |
| 2026-05-21 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | Standards Applicable to Transporters of HW: General | S |
| 2026-05-21 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | Standards Applicable to Generators of HW: General | S |
| 2026-05-21 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | Land Disposal Restrictions: General | S |
| 2026-05-21 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | Standards for Used Oil: Generators | S |
| 2026-05-14 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | Standards for Universal Waste Management: General | S |
| 2026-05-14 | PLANET HONDA | Golden | Standards for Used Oil: Generators | S |
| 2026-05-13 | AGILENT TECHNOLOGIES INC - BOULDER NASD | Boulder | Standards Applicable to Generators of HW: General | S |
| 2026-05-07 | FM LABS LLC | Fort Lupton | Standards Applicable to Generators of HW: General | S |
| 2026-05-07 | FM LABS LLC | Fort Lupton | Violation of a Federal or State Statute | S |
| 2026-05-07 | FM LABS LLC | Fort Lupton | Standards for Used Oil: Generators | S |
| 2026-05-01 | DENVER HEALTH & HOSPITAL AUTHORITY | Denver | Standards Applicable to Generators of HW: General | S |
| 2026-05-01 | DENVER HEALTH & HOSPITAL AUTHORITY | Denver | Hazardous Waste Pharmaceuticals | S |
| 2026-04-29 | VANTAGE HEMP RAVEN | Greeley | Standards Applicable to Generators of HW: General | S |
| 2026-04-23 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | EPA Administered Permit Programs: the HW Permit Program Permit Conditions | S |
| 2026-04-16 | FOUNDERS GREEN ANIMAL HOSPITAL | Denver | Violation of a Federal or State Statute | S |
| 2026-04-16 | KAIRUS PRODUCTION FACILITY | Aurora | Standards Applicable to Generators of HW: General | S |
| 2026-04-15 | CUMMINS INC - HENDERSON MRC | Henderson | Standards for Used Oil: Generators | S |
| 2026-04-07 | DENVER REFINED PRODUCTS TERMINAL | Commerce City | Standards for Owners and Operators of HW TSDs: Special Provisions for Cleanup | S |
| 2026-03-25 | AVISTA PHARMA SOLUTIONS INC | Longmont | Standards Applicable to Generators of HW: General | S |
| 2026-03-17 | CHEMICAL MATERIALS ACTIVITY-WEST | Pueblo | EPA Administered Permit Programs: the HW Permit Program General Information | S |
| 2026-03-16 | QUEST DIAGNOSTICS | Denver | Standards Applicable to Generators of HW: General | S |
| 2026-03-02 | UNIVAR SOLUTIONS USA LLC | Denver | Standards Applicable to Generators of HW: General | S |
| 2026-03-02 | UNIVAR SOLUTIONS USA LLC | Denver | Standards Applicable to Transporters of HW: General | S |
| 2026-02-26 | REGION 8 ENVIRO LLC | Denver | Standards Applicable to Generators of HW: General | S |
| 2026-02-26 | REGION 8 ENVIRO LLC | Denver | Standards for Universal Waste Management: General | S |
| 2026-02-26 | REGION 8 ENVIRO LLC | Denver | Standards Applicable to Transporters of HW: General | S |
| 2026-02-26 | REGION 8 ENVIRO LLC | Denver | Standards for Used Oil: Generators | S |
| 2026-02-24 | EMS THIN METAL PARTS LLC | Colorado Springs | Standards Applicable to Generators of HW: General | S |
| 2026-02-24 | EMS THIN METAL PARTS LLC | Colorado Springs | Standards for Universal Waste Management: General | S |
| 2026-02-18 | WASTE MANAGEMENT OF COLORADO, INC. DBA CURBSIDE AT YOUR DOOR SPECIAL COLLECTION | Denver | Standards for Universal Waste Management: General | S |
| 2026-02-18 | WASTE MANAGEMENT OF COLORADO, INC. DBA CURBSIDE AT YOUR DOOR SPECIAL COLLECTION | Denver | Standards Applicable to Generators of HW: General | S |
| 2026-02-18 | MILE HIGH LABS INC | Loveland | Standards Applicable to Generators of HW: General | S |
| 2026-02-17 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | Standards for Owners and Operators of HW TSDs: Landfills RCRAInfo V3 Violation | S |
| 2026-02-17 | CLEAN HARBORS DEER TRAIL LLC | Deer Trail | EPA Administered Permit Programs: the HW Permit Program Permit Conditions | S |
| 2026-02-10 | LOCKHEED MARTIN SPACE | Littleton | Standards Applicable to Generators of HW: General | S |
| 2026-02-10 | LOCKHEED MARTIN SPACE | Littleton | Standards for Universal Waste Management: General | S |
| 2026-02-09 | SAFION RENEWABLES | Louisville | Standards Applicable to Generators of HW: General | S |
| 2026-02-04 | CLEAN HARBORS ENVIRONMENTAL SERVICES INC | Henderson | Standards for Used Oil: Generators | S |
| 2026-02-04 | CLEAN HARBORS ENVIRONMENTAL SERVICES INC | Henderson | Standards Applicable to Transporters of HW: General | S |
| 2026-02-02 | MAGELLAN PIPELINE COMPANY LP - FOUNTAIN TERMINAL | Fountain | Standards Applicable to Generators of HW: General | S |
| 2026-01-30 | NECTAR PROCESSING | Evergreen | Violation of a Federal or State Statute | S |
| 2026-01-30 | NECTAR PROCESSING | Evergreen | Standards Applicable to Generators of HW: General | S |
| 2026-01-30 | NECTAR PROCESSING | Evergreen | Land Disposal Restrictions: General | S |
| 2026-01-30 | NECTAR PROCESSING | Evergreen | Standards for Used Oil: Generators | S |
| 2026-01-30 | PENROSE HOSPITAL | Colorado Springs | Standards Applicable to Generators of HW: Manifest Requirements Applicable to Small and Large Quantity Generators | S |
| 2026-01-30 | PENROSE HOSPITAL | Colorado Springs | Violation of a Federal or State Statute | S |
Figures from EPA’s RCRAInfo download.