Hazardous waste · inspections by year
Chemical manufacturing inspected in Contra Costa County, California in 2025
- 12Handlers inspected
- 22Inspections on record
- 8Handlers inspected in 2024
- 8thAmong California counties that year
Contra Costa County, California has 12 hazardous waste handlers with at least one inspection on record during 2025, across 22 separate inspections. That compares with 8 in 2024. It is the 8th largest of the 59 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
- Orange County 12
- Los Angeles County 14
- San Diego County 14
- Los Angeles County 10
- Los Angeles County 10
- Santa Clara County 10
- Los Angeles County 9
- San Diego County 9
Inspections recorded in 2025
| Date | Handler | Where | Kind | Recorded by |
|---|---|---|---|---|
| 2025-12-18 | HENKEL US OPERATIONS CORPORATION | Bay Point | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-12-04 | ECO SERVICES OPERATIONS CORP | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-11-13 | CORTEVA AGRISCIENCE LLC | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-11-04 | CHEVRON CHEMICAL CO | Richmond | FINANCIAL RECORD REVIEW | S |
| 2025-10-21 | MECS, INC. - THE AVON PLANT | Martinez | 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 |
| 2025-08-19 | AIR LIQUIDE LARGE INDUSTRIES US | Rodeo | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-08-05 | SHELL CHEM LP-MARTINEZ CATALYST PLANT | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-07-23 | HENKEL US OPERATIONS CORPORATION | Bay Point | 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 |
| 2025-06-04 | PHILLIPS 66 COMPANY - RODEO RENEWABLE ENERGY COMPLEX | Rodeo | FOCUSED COMPLIANCE INSPECTION | S |
| 2025-05-07 | PHILLIPS 66 COMPANY - RODEO RENEWABLE ENERGY COMPLEX | Rodeo | FINANCIAL RECORD REVIEW | S |
| 2025-04-24 | PHILLIPS 66 COMPANY - RODEO RENEWABLE ENERGY COMPLEX | Rodeo | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-04-16 | BIO-RAD LABORATORIES | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-03-25 | CHEMTRADE LOGISTICS WEST US LLC | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2025-01-17 | MECS, INC. - THE AVON PLANT | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
Figures from EPA’s RCRAInfo download.