PATTERSON UTI DRILLING CO

DAN HANKS LN AT S CHADBOURNE, SAN ANGELO, TX, 76903

No open violations Compliance record — not a listed vendor

Facility identity · canonical

EPA Registry ID: 110031404594
RCRA Handler ID(s): TXR000076968
Generator status: Very Small Quantity Generator (VSQG)
County: TOM GREEN
EPA Region: 06
Active: Yes
NAICS: —
Coordinates: 31.41625, -100.41956

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: Dec 21, 2018
Inspections (5 yr): —
Informal actions (5 yr): —
Formal actions (5 yr): —
Total penalties: —

Permits & authorizations · canonical

Program	Type	Status	Effective
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 · 7 total, 0 open

2 distinct violation categories on record:

Count	Code	Category	EPA description
5	XXS	State-specific requirement (broader than federal)	State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements
2	262.A	Generator standards	Standards Applicable to Generators of HW: General

All violations:

Determined	Category	Status	Agency
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
Apr 9, 2009	State-specific requirement (broader than federal) XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements	Resolved Apr 9, 2009	S
Apr 9, 2009	State-specific requirement (broader than federal) XXS · State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements	Resolved May 14, 2009	S
Dec 12, 2006	Generator standards 262.A · Standards Applicable to Generators of HW: General	Resolved Jun 18, 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 Jun 18, 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 Jun 22, 2007	S

Inspection history · canonical · 10 total

Date	Type	Agency	Outcome
Dec 21, 2018	FOCUSED COMPLIANCE INSPECTION (FCI)	S	In compliance
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	COMPLIANCE EVALUATION INSPECTION (CEI)	S	Violation found
Jun 1, 2009	NON-FINANCIAL RECORD REVIEW (NRR)	S	In compliance
Apr 9, 2009	COMPLIANCE EVALUATION INSPECTION (CEI)	S	Violation found
Aug 17, 2007	NON-FINANCIAL RECORD REVIEW (NRR)	S	In compliance
May 29, 2007	NON-FINANCIAL RECORD REVIEW (NRR)	S	In compliance

Showing 8 most recent of 10.

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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.