Mining, Quarrying, Oil & Gas · Ione, CA
US Mine Corporation
According to OSHA enforcement records (2010–2026), US Mine Corporation ranks #4,583 of 99,447 penalized U.S. employers by total current penalty, with a concerning safety record: 32 violations across 7 inspections.
- $54,095
- OSHA penalties
- 32
- Violations cited
- 7
- OSHA inspections
- #4,583
- of 99,447 penalized employers
US Mine Corporation in Ione, CA has been the subject of 7 OSHA workplace inspections and 32 citations since 2010, according to enforcement records from the U.S. Department of Labor. Total penalties assessed: $54,095. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.
The record in one line
OSHA has inspected US Mine Corporation 7 times over 9 years, roughly once every couple of years. These inspections resulted in 32 violations, averaging 4.6 per inspection, above what's typical for a single visit. According to OSHA enforcement records, its total current penalty ranks #4,583 of 99,447 penalized U.S. employers (the top 5% of penalized employers nationally). Of these, 4 were classified as serious - indicating hazards that could cause death or serious harm. Against the Mining, Quarrying, Oil & Gas industry average of 2 inspections per employer, this runs well above peers (3.1x the sector average) on inspection frequency. For comparison, Hilcorp Alaska, LLC in Nikiski, AK is another mining, quarrying, oil & gas employer with 11 OSHA inspections on record and $55,419 in current penalties.
- 4.6
- violations per inspection
- 12.5%
- of violations were serious
- #4,583
- of 99,447 penalized employers
Compliance score
- F OSHA safety compliance: 32 violations across 7 OSHA inspections (4.6 per inspection), vs. national p10 0.0 (best) / p90 5.5 (worst) among 145,626 inspected employers.
Channels are separate federal datasets: a dimension marked not applicable simply has no record in that dataset for this employer, not a good or bad score.
How US Mine Corporation compares on OSHA penalties
Total current penalty vs the Mining, Quarrying, Oil & Gas per-employer average
- US Mine Corporation
US Mine Corporation
$54,095 in penalties
- Mining, Quarrying, Oil & Gas avg $4,539
Mining, Quarrying, Oil & Gas industry average (per employer)
$4,539 in penalties
What this shows US Mine Corporation runs far above peers (11.9x the sector average) in total OSHA penalties.
Where this penalty ranks nationally
Total current OSHA penalty vs every U.S. employer with a nonzero penalty
$54,095 Bottom 5% least affordable more affordable than 5% of 99,447 U.S. employers with a penalty
Each bar is a $5K-wide band; taller bars hold more U.S. employers with a penalty. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Department of Labor, OSHA enforcement extracts · 2026
Does more inspection scrutiny mean more findings?
Each dot is one of 21 Mining, Quarrying, Oil & Gas employers with an OSHA inspection on record, placed by inspections and violations cited. The highlighted dot is US Mine Corporation.
US Mine Corporation in the Mining, Quarrying, Oil & Gas enforcement ledger
Among 1,117 Mining, Quarrying, Oil & Gas employers with OSHA penalties on file, US Mine Corporation ranks #32 at $54,095 current penalty.
How US Mine Corporation Compares
US Mine Corporation's 4.57 violations per inspection compares to the Mining, Quarrying, Oil & Gas sector average of 3.1 violations per employer.
Against the Mining, Quarrying, Oil & Gas industry average of $4,539 per employer, this employer's current OSHA penalty runs far above peers (11.9x the sector average).
Enforcement detail
OSHA Inspection History
Total Inspections
7
First Inspection
2017-06-01
Last Inspection
2025-12-10
Inspection Span
9 yrs
Violations / Inspection
4.6
Avg Penalty / Inspection
$7,728
Industry Avg / Inspection
$2,042
What this shows 7 inspections over 9 years, averaging 4.6 violations per visit. That's $7,728 per inspection vs. the Mining, Quarrying, Oil & Gas average of $2,042.
Enforcement detail
Violation Breakdown
4
Serious
12.5% of total
0
Willful
0.0% of total
4
Repeat
12.5% of total
24
Other-Than-Serious
75.0% of total
What this shows 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.
Enforcement detail
Penalty Analysis
Initial Penalty Assessed
$85,195
Current Penalty Amount
$54,095
Penalty Reduction
36.5%
What this shows Penalties were reduced by $31,100 from the initial assessment of $85,195. Reductions may result from informal settlements, formal contests, or negotiated agreements with OSHA.
Industry Safety Context: Mining, Quarrying, Oil & Gas
How US Mine Corporation compares to the Mining, Quarrying, Oil & Gas sector, which has 2,294 employers tracked by PlainWorker.
| Metric | US Mine Corporation | Industry Avg |
|---|---|---|
| Inspections | 7 | 2.2 |
| Violations | 32 | 3.1 |
| Total Penalty | $54,095 | $4,539 |
| Avg Penalty per Inspection | $7,728 | $2,042 |
Nationwide Mining, Quarrying, Oil & Gas peers with similar penalties or inspection counts
Two OSHA-record peer sets for US Mine Corporation, both outside CA so the neighborhoods are not geographic containment.
Similar current OSHA penalty
Nearest same-sector employers by current assessed penalty ($54,095 here).
Similar OSHA inspection count
Same-sector employers with a comparable inspection history outside this state (7 inspections here).
Nearby & Similar Employers in Mining, Quarrying, Oil & Gas
Showing 5 of 2293 other employers tracked in this sector.
Compare US Mine Corporation vs Bradford Gravel Co. side-by-side →
What to do with this record
Use US Mine Corporation's enforcement history as one data point, not the whole picture.
- A single employer's record can look unusual in isolation. Compare US Mine Corporation against Bradford Gravel Co., a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
- See whether US Mine Corporation's inspection and penalty record is typical for Mining, Quarrying, Oil & Gas or an outlier against the sector's own average. View the Mining, Quarrying, Oil & Gas sector
- Before you accept a job or raise a safety concern, search any employer for its own OSHA inspection history the same way you found this one. Search employers
Figures reflect closed OSHA and WHD federal enforcement actions on record (2010–2026); not every workplace issue results in an inspection or investigation.
Frequently Asked Questions
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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.