Hazardous waste · inspections by year
Large quantity generators inspected in Contra Costa County, California in 2025
- 41Handlers inspected
- 60Inspections on record
- 45Handlers inspected in 2024
- 6thAmong California counties that year
Contra Costa County, California has 41 hazardous waste handlers with at least one inspection on record during 2025, across 60 separate inspections. That compares with 45 in 2024. It is the 6th largest of the 39 California 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
Comparable counties in California, 2025
- Santa Clara County 43
- San Mateo County 34
- San Bernardino County 30
- Ventura County 25
- Alameda County 58
- Los Angeles County 20
- Santa Barbara County 16
- San Francisco County 15
Inspections recorded in 2025
| Date | Handler | Where | Kind | Recorded by |
|---|---|---|---|---|
| 2025-12-18 | HENKEL US OPERATIONS CORPORATION | Bay Point | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-12-09 | MARTINEZ REFINING COMPANY LLC | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-12-04 | ECO SERVICES OPERATIONS CORP | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-11-21 | DOUGLAS PRODUCTS LLC | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-11-20 | CONTRA COSTA COUNTY REGIONAL MEDICAL CENTER | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-11-13 | CORTEVA AGRISCIENCE LLC | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-11-06 | KORTICK MANUFACTURING LLC | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-11-04 | CHEVRON CHEMICAL CO | Richmond | FINANCIAL RECORD REVIEW | S |
| 2025-11-04 | VEOLIA ES TECHNICAL SOLUTIONS LLC RICHMOND | Richmond | FINANCIAL RECORD REVIEW | S |
| 2025-10-21 | MECS, INC. - THE AVON PLANT | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-10-16 | K2 PURE SOLUTIONS | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-10-03 | SHELL CHEM LP-MARTINEZ CATALYST PLANT | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-09-30 | CHEVRON CHEMICAL CO | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-09-30 | VEOLIA ES TECHNICAL SOLUTIONS LLC RICHMOND | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-09-22 | PG&E GATEWAY GENERATING STATION | Antioch | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-08-26 | BENCHMARK CONCORD 4021 | Concord | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-08-19 | AIR LIQUIDE LARGE INDUSTRIES US | Rodeo | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-08-18 | KAISER PERMANENTE ANTIOCH MEDICAL CENTER | Antioch | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-08-18 | CVS PHARMACY #9827 | Concord | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-08-14 | K2 PURE SOLUTIONS | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-08-07 | CHEVRON USA INC RICHMOND REFINERY | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-08-07 | CVS PHARMACY # 9253 | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-08-05 | SHELL CHEM LP-MARTINEZ CATALYST PLANT | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-31 | CHEVRON 1001094 AVON TERMINAL | Pacheco | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-23 | HENKEL US OPERATIONS CORPORATION | Bay Point | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-22 | KORTICK MANUFACTURING LLC | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-15 | HENKEL US OPERATIONS CORPORATION | Bay Point | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-15 | BIORAD LABORATORIES CLINICAL | Hercules | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-07 | CORTEVA AGRISCIENCE LLC | Pittsburg | FINANCIAL RECORD REVIEW | S |
| 2025-06-30 | CORTEVA AGRISCIENCE LLC | Pittsburg | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-06-30 | CORTEVA AGRISCIENCE LLC | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-06-25 | BIO-RAD LABORATORIES | Hercules | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-06-18 | MARTINEZ RENEWABLES | Pacheco | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-06-09 | CVS PHARMACY #9086 | El Cerrito | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-06-04 | PHILLIPS 66 COMPANY - RODEO RENEWABLE ENERGY COMPLEX | Rodeo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-05-16 | AMERESCO KELLER CANYON LLC | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-05-15 | MARTINEZ REFINING COMPANY LLC | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-05-07 | PHILLIPS 66 COMPANY - RODEO RENEWABLE ENERGY COMPLEX | Rodeo | FINANCIAL RECORD REVIEW | S |
| 2025-05-07 | U.S. STEEL PROPERTY HOLDINGS, LLC | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-04-24 | PHILLIPS 66 COMPANY - RODEO RENEWABLE ENERGY COMPLEX | Rodeo | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-04-18 | CVS PHARMACY #9299 | Pinole | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-04-16 | BIO-RAD LABORATORIES | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-04-07 | ZYGO CORPORATION | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-03-31 | KAISER PERMANENTE RICHMOND REGIONAL LABORATORY | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-03-25 | CHEMTRADE LOGISTICS WEST US LLC | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-03-18 | CVS PHARMACY # 3078 | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-03-12 | DOUGLAS PRODUCTS LLC | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-02-26 | PG&E LOS MEDANOS COMPRESSOR STATION | Concord | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-02-26 | MILITARY OCEAN TERMINAL CONCORD | Concord | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-02-19 | MARTINEZ REFINING COMPANY LLC | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-02-11 | BRENNTAG PACIFIC INC | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-02-11 | BRENNTAG PACIFIC INC | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-02-06 | QUALAWASH HOLDINGS, LLC | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-01-31 | QUALAWASH HOLDINGS, LLC | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-01-29 | CVS PHARMACY NO 4283 | Brentwood | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-01-29 | CVS PHARMACY #4326 | Antioch | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-01-29 | CVS PHARMACY NO 9565 | Discovery Bay | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-01-17 | MECS, INC. - THE AVON PLANT | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-01-16 | CONTRA COSTA COUNTY REGIONAL MEDICAL CENTER | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-01-16 | AMAZON.COM SERVICES LLC - TCY9 | Oakley | COMPLIANCE EVALUATION INSPECTION | S |
Figures from EPA’s RCRAInfo download.