Manufacturing · THREE RIVERS, TX

DIAMOND SHAMROCK REFINING COMPANY, L.P.

OSHA records show a mixed safety record: 5 violations across 2 inspections — above the Manufacturing industry average for penalties.

2
OSHA inspections
5
Violations cited
$49,650
OSHA penalties

DIAMOND SHAMROCK REFINING COMPANY, L.P. in THREE RIVERS, TX has been the subject of 2 OSHA workplace inspections and 5 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $49,650. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

DIAMOND SHAMROCK REFINING COMPANY, L.P. has been inspected 2 times by OSHA over 1 year. These inspections resulted in 5 violations, averaging 2.5 violations per inspection. Of these, 4 were classified as serious — indicating hazards that could cause death or serious harm. Compared to the Manufacturing industry average of 3 inspections per employer, DIAMOND SHAMROCK REFINING COMPANY, L.P. has been inspected fewer frequently.

2.5
violations per inspection
80.0%
of violations were serious
3.0×
Manufacturing industry-avg penalty

How this employer compares on OSHA penalties

Total current penalty vs the Manufacturing per-employer average

in penalties

What this shows DIAMOND SHAMROCK REFINING COMPANY, L.P. carries 3.0× the penalties of a typical Manufacturing employer — a clear outlier in its sector.

Source U.S. Department of Labor — OSHA enforcement extracts As of 2026

What the Data Says About DIAMOND SHAMROCK REFINING COMPANY, L.P.

The federal enforcement record for DIAMOND SHAMROCK REFINING COMPANY, L.P. in THREE RIVERS, TX includes 2 OSHA inspections and 5 violations, translating to 2.50 violations per inspection. Of those violations, 4 (80.0%) were classified as serious, 0 (0.0%) as willful, and 0 (0.0%) as repeat. Serious violations denote hazards likely to cause death or serious physical harm; willful and repeat categories indicate intentional disregard or recurrence of previously cited hazards.

OSHA assessed $82,750 in initial penalties against this employer, later adjusted to a current total of $49,650 — a 40.0% reduction. Average penalty per inspection works out to $24,825. Against the Manufacturing industry average of $16,300 per employer, this record runs above peers.

Inspection activity spans from 2025-01-27 to 2025-02-18, a window of roughly 1 year. This record draws directly from the U.S. Department of Labor's public enforcement data at data.dol.gov. Penalty amounts reflect final adjudicated figures after any settlement, informal conference, or formal contest. Workers, journalists, and researchers can use these figures to compare this employer's compliance posture against industry peers and to identify workplaces with elevated safety risks or repeat non-compliance.

OSHA Inspection History

Total Inspections
2
First Inspection
2025-01-27
Last Inspection
2025-02-18
Inspection Span
1 year
Violations per Inspection
2.5
Avg Penalty per Inspection
$24,825
Industry Avg per Inspection
$6,447

Violation Breakdown

4
Serious
80.0% of total
0
Willful
0.0% of total
0
Repeat
0.0% of total
1
Other-Than-Serious
20.0% of total

Serious violations involve hazards that could cause death or serious physical harm. Willful violations indicate intentional or knowing disregard of the law. Repeat violations are for hazards previously cited within the past 5 years.

Penalty Analysis

Initial Penalty Assessed
$82,750
Current Penalty Amount
$49,650
Penalty Reduction
40.0%

Penalties were reduced by $33,100 from the initial assessment of $82,750. Reductions may result from informal settlements, formal contests, or negotiated agreements with OSHA.

Industry Safety Context: Manufacturing

How DIAMOND SHAMROCK REFINING COMPANY, L.P. compares to the Manufacturing sector, which has 14,000 employers tracked by PlainWorker.

Metric DIAMOND SHAMROCK REFINING COMPANY, L.P. Industry Avg
Inspections 2 2.5
Violations 5 8.0
Total Penalty $49,650 $16,300
Avg Penalty per Inspection $24,825 $6,447

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Frequently Asked Questions

Is DIAMOND SHAMROCK REFINING COMPANY, L.P. safe to work at?
Based on OSHA records, DIAMOND SHAMROCK REFINING COMPANY, L.P.'s workplace safety record is mixed, with some compliance concerns. The employer has 5 violations across 2 inspections, including 4 serious violations. Compared to Manufacturing industry peers, this is above average for penalties. Review the full inspection history below for details.
How many OSHA violations does DIAMOND SHAMROCK REFINING COMPANY, L.P. have?
DIAMOND SHAMROCK REFINING COMPANY, L.P. has 5 OSHA violations on record, including 4 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $49,650.
How many OSHA inspections has DIAMOND SHAMROCK REFINING COMPANY, L.P. had?
DIAMOND SHAMROCK REFINING COMPANY, L.P. has had 2 OSHA inspections, with the first recorded on 2025-01-27 and the most recent on 2025-02-18. This averages 2.5 violations per inspection.
What is the total penalty amount for DIAMOND SHAMROCK REFINING COMPANY, L.P.?
DIAMOND SHAMROCK REFINING COMPANY, L.P. has been assessed $49,650 in current OSHA penalties, reduced from an initial assessment of $82,750 (a 40.0% reduction).
Does DIAMOND SHAMROCK REFINING COMPANY, L.P. have any serious or willful violations?
Yes. DIAMOND SHAMROCK REFINING COMPANY, L.P. has 4 serious violations. Serious violations involve hazards likely to cause death or serious physical harm. Willful violations indicate the employer intentionally or knowingly disregarded the law.
What industry does DIAMOND SHAMROCK REFINING COMPANY, L.P. operate in?
DIAMOND SHAMROCK REFINING COMPANY, L.P. operates in the Manufacturing sector (NAICS code 324110). This industry has 14,000 employers tracked by PlainWorker, with 35,397 total OSHA inspections and $228.20M in cumulative penalties.
What are my rights if I work at DIAMOND SHAMROCK REFINING COMPANY, L.P.?
Under the Occupational Safety and Health Act, employees at DIAMOND SHAMROCK REFINING COMPANY, L.P. have the right to a safe workplace, the right to report hazards without retaliation, the right to request an OSHA inspection, and the right to access their own exposure and medical records. Workers can also refuse dangerous work if they believe they face imminent danger and their employer has failed to address the hazard.
How do I file an OSHA complaint against DIAMOND SHAMROCK REFINING COMPANY, L.P.?
You can file a complaint with OSHA online at osha.gov/workers/file-complaint, by calling 1-800-321-OSHA (6742), or by visiting your local OSHA area office. Complaints can be filed confidentially. OSHA is required to respond to all complaints and will prioritize those alleging imminent danger. You are protected from employer retaliation under Section 11(c) of the OSH Act.
How does DIAMOND SHAMROCK REFINING COMPANY, L.P.'s safety record compare to industry average?
DIAMOND SHAMROCK REFINING COMPANY, L.P.'s total OSHA penalty of $49,650 is above the Manufacturing industry average of $16,300 per employer (3.0x the average). The employer has 2 inspections compared to the industry average of 2.5 per employer.

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Data Sources & Methodology

Data as of 2026. Source: U.S. Department of Labor (OSHA, WHD).

Source: OSHA Enforcement Data

Inspection and violation records from the Occupational Safety and Health Administration (OSHA), U.S. Department of Labor, covering the period 2010–2026. Includes inspection dates, violation types (serious, willful, repeat, other-than-serious), and penalty amounts. Penalties shown are current assessed amounts and may differ from original citations due to settlement, contest, or reduction.

Source: Wage and Hour Division (WHD)

Compliance actions from the WHD, covering enforcement of the Fair Labor Standards Act (FLSA), including minimum wage, overtime, and child labor violations. Back wages represent amounts owed to affected employees as determined by WHD investigations.

Employer Matching

Employers are matched across OSHA and WHD datasets by name, state, and city. Employers included in PlainWorker have 2 or more OSHA inspections or $1,000+ in WHD back wages. Data is updated monthly from data.dol.gov.

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