Mining, Quarrying, Oil & Gas · North San Juan, CA

Ridgerock Quarry INC

According to OSHA enforcement records (2010–2026), Ridgerock Quarry INC has a relatively clean safety record: 1 violations across 4 inspections. See the full breakdown below.

0% serious
$0
OSHA penalties
1
Violations cited
4
OSHA inspections

Ridgerock Quarry INC in North San Juan, CA has been the subject of 4 OSHA workplace inspections and 1 citations since 2010, according to enforcement records from the U.S. Department of Labor. All enforcement data below is sourced from the DOL public enforcement databases at data.dol.gov.

The record in one line

OSHA has inspected Ridgerock Quarry INC 4 times over 4 years, roughly annually. These inspections resulted in just 1 violation, averaging 0.3 per inspection - fewer than typical. Against the Mining, Quarrying, Oil & Gas industry average of 2 inspections per employer, this runs moderately above peers (1.8x the sector average) on inspection frequency. For comparison, Cyclone Drilling in McGregor, ND is another mining, quarrying, oil & gas employer with 2 OSHA inspections on record and $0 in current penalties.

0.3
violations per inspection
0.0%
of violations were serious

Compliance score

B 86/100
  • B OSHA safety compliance: 1 violation across 4 OSHA inspections (0.3 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.

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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 Ridgerock Quarry INC.

Frequently inspected, many findingsRarely inspected, many findingsFrequently inspected, clean recordBelow median on both4.04.044.04.0012.124.136.248.3OSHA inspectionsViolations citedROCKY MOUNTAIN ROD INC, OSHA inspections: 4 · Violations cited: 30YAGER MATERIALS, MAIN WHARF #1, OSHA inspections: 4 · Violations cited: 3CIMAREX ENERGY COMPANY, OSHA inspections: 4 · Violations cited: 0ENSIGN UNITED STATES DRILLING, INC., OSHA inspections: 4 · Violations cited: 5FRONTIER DRILLING, LLC, OSHA inspections: 4 · Violations cited: 2DRILL RIGHT TECHNOLOGY, INC., OSHA inspections: 4 · Violations cited: 0MIRACLE PRODUCTION, INC., OSHA inspections: 4 · Violations cited: 38KEY ENERGY SERVICES, LLC, OSHA inspections: 4 · Violations cited: 3MID CONTINENT WELL LOGGING SERVICES, INC., OSHA inspections: 4 · Violations cited: 0NABORS DRILLING USA, LP, OSHA inspections: 4 · Violations cited: 18O'RYAN OIL & GAS, OSHA inspections: 4 · Violations cited: 46OUTLINE OIL COMPANY LLC, OSHA inspections: 4 · Violations cited: 9LENZ ENTERPRISES INC, OSHA inspections: 4 · Violations cited: 8SUN WELL SERVICE, INC., OSHA inspections: 4 · Violations cited: 0STERLING BREEN CRUSHING INC, OSHA inspections: 4 · Violations cited: 14CACTUS DRILLING COMPANY LLC, OSHA inspections: 4 · Violations cited: 5CYCLONE DRILLING, INC., OSHA inspections: 4 · Violations cited: 11HELMERICH & PAYNE INTERNATIONAL DRILLING COMPANY, OSHA inspections: 4 · Violations cited: 3SPARKMAN INDUSTRIES, INC., OSHA inspections: 4 · Violations cited: 3TRANSLOAD AND LOGISTICS LLC, OSHA inspections: 4 · Violations cited: 11Ridgerock Quarry INC, OSHA inspections: 4 · Violations cited: 1
Ridgerock Quarry INC has 4 OSHA inspections on record and 1 violation cited. The crosshair marks the median among these Mining, Quarrying, Oil & Gas peers. Across this sector's tracked employers, more inspections is moderately associated with more violations found -- not a coincidence, but not a guarantee either.

How Ridgerock Quarry INC Compares

Ridgerock Quarry INC's 0.25 violations per inspection compares to the Mining, Quarrying, Oil & Gas sector average of 3.1 violations per employer.

No OSHA penalty has been assessed against Ridgerock Quarry INC to date. The Mining, Quarrying, Oil & Gas sector average runs $4,539 per employer.

Enforcement detail

OSHA Inspection History

Total Inspections

4

First Inspection

2010-05-18

Last Inspection

2014-03-20

Inspection Span

4 yrs

Violations / Inspection

0.3

Avg Penalty / Inspection

$0

Industry Avg / Inspection

$2,042

What this shows 4 inspections over 4 years, averaging 0.3 violations per visit. That's $0 per inspection vs. the Mining, Quarrying, Oil & Gas average of $2,042.

Enforcement detail

Violation Breakdown

0

Serious

0.0% of total

0

Willful

0.0% of total

0

Repeat

0.0% of total

1

Other-Than-Serious

100.0% 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.

Industry Safety Context: Mining, Quarrying, Oil & Gas

How Ridgerock Quarry INC compares to the Mining, Quarrying, Oil & Gas sector, which has 2,294 employers tracked by PlainWorker.

Metric Ridgerock Quarry INC Industry Avg
Inspections 4 2.2
Violations 1 3.1
Total Penalty $0 $4,539
Avg Penalty per Inspection $0 $2,042

Nationwide Mining, Quarrying, Oil & Gas peers with similar penalties or inspection counts

Two OSHA-record peer sets for Ridgerock Quarry INC, both outside CA so the neighborhoods are not geographic containment.

Nearby & Similar Employers in Mining, Quarrying, Oil & Gas

Showing 5 of 2293 other employers tracked in this sector.

Compare Ridgerock Quarry INC vs Cyclone Drilling side-by-side →

What to do with this record

Use Ridgerock Quarry INC's enforcement history as one data point, not the whole picture.

  • A single employer's record can look unusual in isolation. Compare Ridgerock Quarry INC against Cyclone Drilling, a similarly-sized employer in the same sector, before drawing conclusions. Compare side-by-side
  • See whether Ridgerock Quarry INC'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

Is Ridgerock Quarry INC safe to work at? ▼
Based on OSHA records, Ridgerock Quarry INC's workplace safety record is relatively clean, with fewer violations than typical. The employer has 1 violations across 4 inspections. Compared to Mining, Quarrying, Oil & Gas industry peers, this is below average for penalties. Review the full inspection history below for details.
How many OSHA violations does Ridgerock Quarry INC have? ▼
Ridgerock Quarry INC has 1 OSHA violations on record, including 0 serious, 0 willful, and 0 repeat violations. The total current penalty amount is $0.
How many OSHA inspections has Ridgerock Quarry INC had? ▼
Ridgerock Quarry INC has had 4 OSHA inspections, with the first recorded on 2010-05-18 and the most recent on 2014-03-20. This averages 0.3 violations per inspection.
What is the total penalty amount for Ridgerock Quarry INC? ▼
Ridgerock Quarry INC has been assessed $0 in current OSHA penalties.
What industry does Ridgerock Quarry INC operate in? ▼
Ridgerock Quarry INC operates in the Mining, Quarrying, Oil & Gas sector (NAICS code 212313). This industry has 2,294 employers tracked by PlainWorker, with 5,098 total OSHA inspections and $10.41M in cumulative penalties.
How does Ridgerock Quarry INC's safety record compare to industry average? ▼
Ridgerock Quarry INC's total OSHA penalty of $0 is below the Mining, Quarrying, Oil & Gas industry average of $4,539 per employer. The employer has 4 inspections compared to the industry average of 2.2 per employer. For a direct comparison, Cyclone Drilling in McGregor, ND is a similar mining, quarrying, oil & gas employer with $0 in current penalties.
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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Every figure on PlainWorker is rendered directly from official U.S. Department of Labor OSHA and Wage & Hour Division enforcement records, no number is typed in by an editor. This employer's ratios (penalty-per-violation, industry comparisons) are computed live from the 4 inspections on record. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026.