Hazardous waste · inspections by year
Chemical manufacturing inspected in Contra Costa County, California in 2026
- 6Handlers inspected
- 10Inspections on record
- 12Handlers inspected in 2025
- 9thAmong California counties that year
Contra Costa County, California has 6 hazardous waste handlers with at least one inspection on record during 2026, across 10 separate inspections. That compares with 12 in 2025. It is the 9th largest of the 35 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, 2026
- Orange County 6
- San Mateo County 6
- San Bernardino County 7
- Los Angeles County 5
- Orange County 5
- San Bernardino County 5
- Kern County 4
- Los Angeles County 4
Inspections recorded in 2026
| Date | Handler | Where | Kind | Recorded by |
|---|---|---|---|---|
| 2026-06-18 | CHEMTRADE LOGISTICS WEST US LLC | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-06-03 | MECS, INC. - THE AVON PLANT | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-05-29 | SHELL CATALYSTS & TECHNOLOGIES | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-05-11 | CORTEVA AGRISCIENCE LLC | Pittsburg | FOCUSED COMPLIANCE INSPECTION | S |
| 2026-04-24 | MECS, INC. - THE AVON PLANT | Martinez | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-03-03 | CORTEVA AGRISCIENCE LLC | Pittsburg | FINANCIAL RECORD REVIEW | S |
| 2026-02-25 | CORTEVA AGRISCIENCE LLC | Pittsburg | FOCUSED COMPLIANCE INSPECTION | S |
| 2026-02-24 | SHELL CATALYSTS & TECHNOLOGIES | Pittsburg | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-01-21 | PHILLIPS 66 COMPANY - RODEO RENEWABLE ENERGY COMPLEX | Rodeo | COMPLIANCE EVALUATION INSPECTION | S |
| 2026-01-07 | BIO-RAD LABORATORIES | Richmond | COMPLIANCE EVALUATION INSPECTION | S |
Figures from EPA’s RCRAInfo download.