Hazardous waste handler · EPA ID CAD982523433
DILLARD ENVIRONMENTAL SERVICES, Byron, CA: hazardous-waste inspections, violations, penalties
- 10Inspections on file
- 5Violations on file
- 9Formal actions
- $261,825Final penalties
Counts cover every year in the register file; the lists below are the dated events since 2017. The most recent inspection on file is dated February 3, 2026.
Identity
| Name as filed | DILLARD ENVIRONMENTAL SERVICES |
|---|---|
| EPA ID | CAD982523433 |
| Address | 3120 CAMINO DIABLO, Byron, CA 94514 |
| County | Contra Costa |
| Generator status | Small quantity generator |
| Also registered as | Hazardous waste transporter |
| Industry | Support activities for transportation (NAICS 48899) |
| Most cited rule | State requirements broader than federal RCRA (40 CFR XXS) |
Cited to rcra_downloads.zip/RCRA_FACILITIES.csv.
Inspections since 2017
| Date | Inspection | By | Violation found |
|---|---|---|---|
| February 3, 2026 | COMPLIANCE EVALUATION INSPECTION | State | Yes |
| January 19, 2023 | COMPLIANCE EVALUATION INSPECTION | State | No |
| July 9, 2021 | NO LONGER A SIGNIFICANT NON-COMPLIER | State | No |
| June 11, 2021 | COMPLIANCE EVALUATION INSPECTION | State | Yes |
| June 11, 2021 | SIGNIFICANT NON-COMPLIER | State | No |
| June 28, 2017 | COMPLIANCE EVALUATION INSPECTION | State | No |
Cited to rcra_downloads.zip/RCRA_EVALUATIONS.csv.
Violations since 2017
| Determined | Rule | What the register says | By | Returned to compliance |
|---|---|---|---|---|
| February 3, 2026 | XXS | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | State | February 3, 2026 |
| June 11, 2021 | XXS | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | State | July 9, 2021 |
Cited to rcra_downloads.zip/RCRA_VIOLATIONS.csv.
Enforcement and penalties since 2017
| Date | Action | Formal | By | Penalty |
|---|---|---|---|---|
| May 7, 2026 | INSPECTION REPORT W/VIOLATIONS (MAILED DATE) | Yes | State | |
| March 16, 2026 | WRITTEN INFORMAL | No | State | |
| February 27, 2024 | SINGLE SITE CA/FO | Yes | State | |
| February 16, 2024 | SINGLE SITE CA/FO | Yes | State | $255,325 |
| September 19, 2022 | LETTER OF INTENT TO INITIATE ENFORCEMENT ACTION | Yes | State | |
| July 21, 2021 | INSPECTION REPORT W/VIOLATIONS (MAILED DATE) | Yes | State | |
| June 17, 2021 | WRITTEN INFORMAL | No | State |
Cited to rcra_downloads.zip/RCRA_ENFORCEMENTS.csv.
Hazardous waste codes (EPA Biennial Report)
No federal hazardous-waste code is on file for this handler in EPA’s Biennial Report.
Cited to EPA Envirofacts’ BR_REPORTING (the Biennial Report, filed by large-quantity generators and treatment/storage/disposal facilities every odd year).
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Nearby on the register
- Hazardous waste handlers in Byron
- Hazardous waste handlers in Contra Costa County
- Hazardous waste handlers in California
Figures from EPA’s RCRAInfo download, loaded September 15, 2026.