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PATTERSON UTI DRILLING

4009 S CHADBOURNE ST, SAN ANGELO, TX, 76904
No open violations Compliance record — not a listed vendor
Compliance record, not a business listing. This facility is a hazardous-waste generator (it produces regulated waste as part of an unrelated business), not a waste-management vendor — it isn't eligible to be claimed or listed. Data below is shown for compliance transparency, sourced from EPA ECHO & RCRAInfo.

Facility identity · canonical

EPA Registry ID
110031404601
RCRA Handler ID(s)
TXR000076950
Generator status
Very Small Quantity Generator (VSQG)
County
TOM GREEN
EPA Region
06
Active
Yes
NAICS
—
Coordinates
31.42386, -100.41924
Compliance summary · canonical · as of Aug 26, 2026
3-year compliance history Not in the compliance universe for any of the last 12 quarters
Not in universe In violation Significant non-compliance
Significant non-complier
No
Last inspection
Nov 10, 2010
Inspections (5 yr)
—
Informal actions (5 yr)
—
Formal actions (5 yr)
—
Total penalties
—
Permits & authorizations · canonical
ProgramTypeStatusEffective
RCRA CESQG 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 · 4 total, 0 open
2 distinct violation categories on record:
CountCodeCategoryEPA description
2 262.A Generator standards Standards Applicable to Generators 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
All violations:
DeterminedCategoryStatusAgency
Jul 21, 2010
Generator standards
262.A · Standards Applicable to Generators of HW: General
 Resolved Oct 20, 2010 S
Jul 21, 2010
State-specific requirement (broader than federal)
XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements
 Resolved Oct 20, 2010 S
Dec 12, 2006
Generator standards
262.A · Standards Applicable to Generators of HW: General
 Resolved Apr 23, 2007 S
Dec 12, 2006
State-specific requirement (broader than federal)
XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements
 Resolved Apr 23, 2007 S
Inspection history · canonical · 6 total
DateTypeAgencyOutcome
Nov 10, 2010 NON-FINANCIAL RECORD REVIEW (NRR) S In compliance
Sep 9, 2010 NON-FINANCIAL RECORD REVIEW (NRR) S In compliance
Jul 21, 2010 FOCUSED COMPLIANCE INSPECTION (FCI) S Violation found
May 29, 2007 NON-FINANCIAL RECORD REVIEW (NRR) S In compliance
Mar 21, 2007 NON-FINANCIAL RECORD REVIEW (NRR) S In compliance
Dec 12, 2006 COMPLIANCE EVALUATION INSPECTION (CEI) S Violation found

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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.