DILLARD ENVIRONMENTAL SERVICES
3120 CAMINO DIABLO ROAD, BYRON, CA, 94514
EPA public record No open violations
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Facility identity · canonical
- EPA Registry ID
- 110002841738
- RCRA Handler ID(s)
- CAD982523433
- Generator status
- Small Quantity Generator (SQG)
- County
- CONTRA COSTA
- EPA Region
- 09
- Active
- Yes
- NAICS
- 48899
- Coordinates
- 37.867483, -121.639816
Compliance summary · canonical · as of Aug 26, 2026
3-year compliance history In violation 1 of the last 12 quarters
Not in universe In violation Significant non-compliance
- Significant non-complier
- No
- Last inspection
- Feb 3, 2026
- Inspections (5 yr)
- 2
- Informal actions (5 yr)
- 4
- Formal actions (5 yr)
- 2
- Total penalties
- $255,325
Permits & authorizations · canonical
| Program | Type | Status | Effective |
|---|---|---|---|
| RCRA | SQG | Not reported | Not reported |
| RCRA | Transporter | Not reported | Not reported |
Type is EPA's RCRA handler classification. Permit status and effective date
are not published in the RCRAInfo handler dataset.
Violations · canonical · 5 total, 0 open
3 distinct violation categories on record:
| Count | Code | Category | EPA description |
|---|---|---|---|
| 2 | 263.A | Transporter standards | Standards Applicable to Transporters of HW: General |
| 2 | XXS | State-specific requirement (broader than federal) | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements |
| 1 | 262.A | Generator standards | Standards Applicable to Generators of HW: General |
All violations:
| Determined | Category | Status | Agency |
|---|---|---|---|
| Feb 3, 2026 | State-specific requirement (broader than federal) XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Resolved Feb 3, 2026 | S |
| Jun 11, 2021 | State-specific requirement (broader than federal) XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Resolved Jul 9, 2021 | S |
| Oct 18, 2016 | Transporter standards 263.A · Standards Applicable to Transporters of HW: General | Resolved Nov 16, 2016 | S |
| Nov 10, 2004 | Transporter standards 263.A · Standards Applicable to Transporters of HW: General | Resolved Jan 5, 2005 | S |
| Aug 21, 2003 | Generator standards 262.A · Standards Applicable to Generators of HW: General | Resolved Aug 21, 2003 | S |
Inspection history · canonical · 10 total
| Date | Type | Agency | Outcome |
|---|---|---|---|
| Feb 3, 2026 | COMPLIANCE EVALUATION INSPECTION (CEI) | S | Violation found |
| Jan 19, 2023 | COMPLIANCE EVALUATION INSPECTION (CEI) | S | In compliance |
| Jul 9, 2021 | NO LONGER A SIGNIFICANT NON-COMPLIER (SNN) | S | In compliance |
| Jun 11, 2021 | COMPLIANCE EVALUATION INSPECTION (CEI) | S | Violation found |
| Jun 11, 2021 | SIGNIFICANT NON-COMPLIER (SNY) | S | In compliance |
| Jun 28, 2017 | COMPLIANCE EVALUATION INSPECTION (CEI) | S | In compliance |
| Oct 18, 2016 | COMPLIANCE EVALUATION INSPECTION (CEI) | S | Violation found |
| Nov 10, 2004 | NON-FINANCIAL RECORD REVIEW (NRR) | S | Violation found |
Showing 8 most recent of 10.
Related facilities near Byron
Data sources
EPA ECHO — this facility's detailed report — facility, compliance summary, permits, evaluations & violations
RCRAInfo evaluation and violation records for this facility are integrated into the
ECHO report linked above — RCRAInfo's own public search doesn't offer a stable
per-facility link. General source: EPA ECHO, EPA RCRAInfo.
Compliance, permit, and location data come straight from EPA and can't be edited.
Contact info and description come from the business's claimed listing, if any.
This profile is not an official regulatory determination.
- EPA ECHO Exporter
- Refreshed Aug 11, 2026 · batch 20260811T113837Z
- EPA RCRAInfo (ECHO download)
- Refreshed Aug 11, 2026 · batch 20260811T113837Z