UNITED ROCK PRODUCTS CORPORATION is a construction sand and gravel mining employer in IRWINDALE, CA. Federal records show 29 OSHA inspections with 35 violations and $16,005 in penalties. 1 workplace fatality investigation on record. All data sourced from public federal enforcement records.

Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, FMCSA, NLRB, OFLC, and BLS. Last updated: April 21, 2026.

UNITED ROCK PRODUCTS CORPORATION

1245 E. ARROW HWY, IRWINDALE, CA, 91706

212321 — Construction Sand and Gravel Mining

Federal Enforcement

OSHA inspections

35 violations

$16,005 in penalties

Violations across 3 federal agencies

Enforcement actions from multiple agencies may indicate systemic compliance issues.

1 fatalities1 hospitalizations1 National Emphasis Program inspections2 OSHA follow-up inspections

Industry Benchmark

Industry Avg TRIR

1.5

Industry Avg DART

Industry rates from BLS SOII 2024. Self-reported rates from OSHA ITA.

OSHA Inspections

OSHA Violations

Total Penalties

$16,005

Trend

IMPROVING

WHD Cases

Back Wages Owed

MSHA Violations

436

MSHA Penalties

$407,213.7

Data Insights

History Span

28 years

Last Activity

47 days ago

Inspection Rate

1/yr

Violation Rate

1.3/yr

Violation Severity Mix

3% serious$457 avg per violation$552 avg per inspection

Active Agencies:

OSHAMSHANLRB$423,218.7 total across all agencies

Inspection Breakdown

Planned

Complaint

Accident

Complaint and accident-triggered inspections are stronger risk signals than routine planned inspections.

Violation rate: 31% of inspections

Peer Comparison

100%

Worse than most peers

vs 1,678 employers in same industry & state

Fewer violationsMore violations

Penalty Percentile

97%

Inspection Frequency Percentile

100%

Labor Relations (NLRB)

Total Cases

Unfair Labor Practice

Representation (Union)

National Labor Relations Board — unfair labor practice charges and union representation cases.

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Inspection History

No inspection records found.

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Data aggregated from public federal enforcement records (OSHA, WHD, MSHA, EPA, FMCSA, NLRB, OFLC, BLS). Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.

Frequently Asked Questions

What is UNITED ROCK PRODUCTS CORPORATION's OSHA violation history?: UNITED ROCK PRODUCTS CORPORATION has 29 OSHA inspections on record with 35 violations and $16,005 in total penalties.
How does UNITED ROCK PRODUCTS CORPORATION's safety record compare to its industry?: UNITED ROCK PRODUCTS CORPORATION operates in the construction sand and gravel mining industry. The industry average Total Recordable Incident Rate (TRIR) is 1.5.
Has UNITED ROCK PRODUCTS CORPORATION had any workplace fatalities?: Yes. Federal records show 1 fatality investigation involving UNITED ROCK PRODUCTS CORPORATION.