MAMMOTH MOUNTAIN SKI AREA, LLC is a skiing facilities employer in MAMMOTH LAKES, CA. Federal records show 29 OSHA inspections with 12 violations and $42,990 in penalties. 4 workplace fatality investigations 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.

MAMMOTH MOUNTAIN SKI AREA, LLC

10001 MINARET RD, MAMMOTH LAKES, CA, 93546

713920 — Skiing Facilities

EIN: 204122518

1,066 employees

Federal Enforcement

OSHA inspections

12 violations

$42,990 in penalties

4 fatalities8 hospitalizations

Industry Benchmark

Industry Avg TRIR

Industry Avg DART

7.3

Self-Reported DART

7.1

Self-Reported TRIR

10.4

Industry rates from BLS SOII 2024. Self-reported rates from OSHA ITA Form 300A (employer self-reported).

OSHA Inspections

OSHA Violations

Total Penalties

$42,990

Trend

STABLE

WHD Cases

Back Wages Owed

Confidence

HIGH

SVEP Flag

Data Insights

History Span

26 years

Last Activity

111 days ago

Inspection Rate

1.1/yr

Violation Rate

0.5/yr

Violation Severity Mix

33% serious$3,583 avg per violation$1,482 avg per inspection

Active Agencies:

OSHA$42,990 total across all agencies

TRIR vs Industry Avg

+0.4

Above industry average

DART vs Industry Avg

-0.2

Below industry average

Federal Contracts (5-year)

Total Obligated

$232,136

Contracts

Top Agency

Department of Defense

$232,136

Primary NAICS: 721110 - HOTELS (EXCEPT CASINO HOTELS) AND MOTELS

Last Action: 2026-01-09

Source: USAspending.gov prime contract awards. Net obligations (awards minus deobligations) over the last five fiscal years.

Inspection Breakdown

Complaint

Accident

Referral

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

Violation rate: 24% of inspections

Recidivism: 2 inspections with serious+ violations

Peer Comparison

97%

Worse than most peers

vs 819 employers in same industry & state

Fewer violationsMore violations

Penalty Percentile

99%

Inspection Frequency Percentile

100%

Motor Carrier Safety (FMCSA)

DOT Number

294897

Operation Type

Federal Motor Carrier Safety Administration — DOT-regulated carrier registration and fleet data.

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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 MAMMOTH MOUNTAIN SKI AREA, LLC's OSHA violation history?: MAMMOTH MOUNTAIN SKI AREA, LLC has 29 OSHA inspections on record with 12 violations and $42,990 in total penalties.
How does MAMMOTH MOUNTAIN SKI AREA, LLC's safety record compare to its industry?: MAMMOTH MOUNTAIN SKI AREA, LLC operates in the skiing facilities industry. The industry average Total Recordable Incident Rate (TRIR) is 10. MAMMOTH MOUNTAIN SKI AREA, LLC's self-reported DART rate is 7.08 compared to an industry average of 7.3.
Has MAMMOTH MOUNTAIN SKI AREA, LLC had any workplace fatalities?: Yes. Federal records show 4 fatality investigations involving MAMMOTH MOUNTAIN SKI AREA, LLC.