Establishment profile
MAMMOTH MOUNTAIN SKI AREA, LLC
10001 MINARET RD, MAMMOTH LAKES, CA, 93546
713920 — Skiing Facilities
EIN 204122518
Summary
MAMMOTH MOUNTAIN SKI AREA, LLC has accumulated 23 OSHA violations across 29 inspections over 27 years of recorded history, with $197,780 in total assessed penalties.
The establishment sits in the 99th percentile for violations within its industry-state peer group of 832 employers. Inspection frequency runs at the 100th percentile. The most recent enforcement activity was recorded 8 months ago.
Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
MAMMOTH MOUNTAIN SKI AREA, LLC appears in OSHA workplace safety, OFLC visa and labor certification (historical), and FMCSA motor carrier registration records only. No matching records were found in WHD wage enforcement, MSHA mine safety, EPA environmental compliance, NLRB labor relations, SAM.gov federal debarment, CMS nursing home enforcement, CPSC product recalls, or NHTSA vehicle recalls.
OSHA workplace safety
41% of inspections at this establishment produced violations, with 4 inspections producing serious-or-greater violations.
Most-cited OSHA standards
Top OSHA standards cited at this employer, ranked by citation count. Standards (CFR sections) cluster citations into safety themes -- machine guarding, lockout-tagout, hazard communication, fall protection, process safety, etc. A concentration on one or two sections reveals a pattern that individual citations don’t. 20 distinct standards shown · 22 citations in this view · $197,780 in penalties.
| CFR section | Citations | Inspections | Total penalty | First cited | Last cited |
|---|---|---|---|---|---|
| 3380(C) | 2 | 2 | $98,435 | Jul 2025 | Jun 2026 |
| 3203(A)(4) | 2 | 2 | $5,700 | Oct 2017 | Aug 2025 |
| 5357(B)(4)(B) | 1 | 1 | $18,000 | Jun 2026 | Jun 2026 |
| 5351(G) | 1 | 1 | $18,000 | Jun 2026 | Jun 2026 |
| 3203(A)(6) | 1 | 1 | $18,000 | Jul 2025 | Jul 2025 |
| 3203 A04 | 1 | 1 | $18,000 | Oct 2006 | Oct 2006 |
| 3220 B04 | 1 | 1 | $6,750 | Oct 2006 | Oct 2006 |
| 342(A) | 1 | 1 | $3,000 | Oct 2021 | Oct 2021 |
| 3650 T09 | 1 | 1 | $2,700 | Mar 2014 | Mar 2014 |
| 3653 A | 1 | 1 | $2,700 | Mar 2014 | Mar 2014 |
| 5155 E01 | 1 | 1 | $935 | Oct 2006 | Oct 2006 |
| 5157 C05 A | 1 | 1 | $935 | Oct 2006 | Oct 2006 |
| 5141 C03 | 1 | 1 | $935 | Oct 2006 | Oct 2006 |
| 5144 D02 A | 1 | 1 | $935 | Oct 2006 | Oct 2006 |
| 29 CFR 5199.0001 D04 | 1 | 1 | $700 | Aug 2025 | Aug 2025 |
| 29 CFR 5199.0001 D01 | 1 | 1 | $700 | Aug 2025 | Aug 2025 |
| 3314(C)(1) | 1 | 1 | $400 | Jul 2017 | Jul 2017 |
| 3203(B)(2) | 1 | 1 | $375 | Jul 2025 | Jul 2025 |
| 342 A | 1 | 1 | $300 | May 1999 | May 1999 |
| 3384(A) | 1 | 1 | $280 | Oct 2022 | Oct 2022 |
Source: OSHA inspection citations (violation_detail). CFR section codes can be looked up at osha.gov/laws-regs for the formal standard text. Per-inspection detail and the specific violation descriptions are available by expanding individual inspections below.
Peer comparison
Worse on violations than nearly every other employer in NAICS 7139 within CA. Peer group: 832 employers. This establishment has 23 OSHA violations; peer median is 2.
Safety self-report (OSHA 300A)
Recordable injury rates the employer filed with OSHA’s Injury Tracking Application. DART covers cases with days away, restricted, or transferred; TRIR is the total recordable case rate.
Reported for 1,066 average annual employees at this establishment.
Source: OSHA ITA Form 300A (employer self-reported). Rates are per 100 full-time equivalent workers. Establishments below the ~10-FTE threshold are not required to report.
Industry benchmark
BLS rates reflect industry-wide averages. Self-reported figures come from OSHA’s Injury Tracking Application; absence of self-reported data does not necessarily indicate non-compliance — many establishments fall below the ITA reporting threshold.
Inspection breakdown
Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.
OSHA severe injury reports
No severe injury reports (hospitalization, amputation, or loss of an eye) on file under 29 CFR 1904.39 for MAMMOTH MOUNTAIN SKI AREA, LLC. Verify directly with Occupational Safety and Health Administration →
OSHA accident events
Accidents, fatalities, and catastrophes documented during OSHA inspections at this employer. Each entry links to the inspection that recorded it.
| Date | Event | Injuries | Hospitalized | Fatalities | |
|---|---|---|---|---|---|
| May 4, 2017 | Caught By,Fracture,Limbing,Log,Pelvis | 1 | 1 | — | |
| Feb 12, 2017 | Cleaning,Finger,Fracture,Laceration,Nip Point,Portable Power Tool | 1 | — | — | |
| Feb 4, 2017 | Fracture,Hip,Skiing | 1 | 1 | — | |
| Jan 12, 2017 | Slip,Wrist | 1 | — | — | |
| Sep 24, 2013 | FRACTURE,ROLL-OVER,FOOT,OVERTURN,TRUCK DRIVER | 1 | 1 | — | |
| Aug 6, 2013 | FRACTURE,LUNG,STRUCK AGAINST,BACK,NECK,WORK SURFACE,PUNCTURE | 1 | 1 | — | |
| Jan 24, 2011 | FRACTURE,HYDRAULIC LIFT,MAINTENANCE,ROTATING PARTS,BELT,FINGER,CAUGHT BY,HAND,MACHINE--MISC | 1 | 1 | — | |
| Mar 20, 2008 | SKIING,STRUCK AGAINST,TREEFatality | 1 | — | 1 | |
| Apr 6, 2006 | ASPHYXIATED,FALL,CAVE-INFatality | 4 | 1 | 3 | |
| Dec 3, 1999 | HIGH WIND,AMPUTATED,SKIING,FINGER,CAUGHT BETWEEN,DOOR | 1 | 1 | — | |
| Dec 9, 1998 | AMPUTATED,SKIING,FINGER,CAUGHT BETWEEN | 1 | — | — | |
| Nov 20, 1998 | FRACTURE,FRONT END LOADER,DISLOCATED,RUN OVER,FOOT | 1 | 1 | — |
Source: OSHA accident investigations. Narratives are recorded by the inspecting officer and may be truncated.
Activity timeline
Most recent federal enforcement activity recorded 8 months ago. Data on this page is refreshed weekly.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for MAMMOTH MOUNTAIN SKI AREA, LLC. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
No MSHA mine safety violations on file for MAMMOTH MOUNTAIN SKI AREA, LLC. Verify directly with Mine Safety and Health Administration →
Labor relations (NLRB)
No NLRB unfair labor practice charges or union representation cases on file for MAMMOTH MOUNTAIN SKI AREA, LLC. Verify directly with National Labor Relations Board →
Visa & labor certification (OFLC) — historical
Office of Foreign Labor Certification — labor condition applications for H-1B, H-2A, H-2B visa programs. Wage ratio = offered / prevailing wage. Historical data only: DOL ended OFLC Performance Data Disclosure publication in 2026, so the figures above reflect filings through the last ingested cycle and are not being refreshed. Treat as a historical snapshot, not a current signal.
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for MAMMOTH MOUNTAIN SKI AREA, LLC. Verify directly with Environmental Protection Agency →
Motor carrier safety (FMCSA)
Federal Motor Carrier Safety Administration — DOT-regulated carrier registration and fleet data.
Federal contracts
This location
Consolidated across all USAspending recipient entities under this corporate parent — not attributable to this single location.
Federal contract dollars to this establishment. Primary NAICS: 721110 - HOTELS (EXCEPT CASINO HOTELS) AND MOTELS. Last action: 2026-01-09. Source: USAspending.gov, net obligations. Recipient address is the SAM registration / HQ address, not necessarily the worksite.
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2025-12-30 | Fatality/Catastrophe | 3 | 2 | $126,000 | |
| 2025-05-01 | Fatality/Catastrophe | 3 | — | $2,100 | |
| 2025-02-19 | Fatality/Catastrophe | 3 | 2 | $26,810 | |
| 2022-05-24 | Accident | 0 | — | $0 | |
| 2022-05-24 | Accident | 1 | — | $280 | |
| 2021-07-22 | Accident | 1 | — | $3,000 | |
| 2017-05-09 | Accident | 1 | — | $5,000 | |
| 2017-03-13 | Accident | 0 | — | $0 | |
| 2017-02-13 | Accident | 0 | — | $0 | |
| 2017-02-13 | Accident | 1 | — | $400 | |
| 2017-02-13 | Accident | 0 | — | $0 | |
| 2017-01-30 | Accident | 0 | — | $0 | |
| 2016-03-28 | Accident | 0 | — | $0 | |
| 2016-03-16 | Accident | 0 | — | $0 | |
| 2016-03-16 | Accident | 0 | — | $0 | |
| 2013-11-07 | Accident | 2 | 2 | $5,400 | |
| 2013-11-07 | Referral | 0 | — | $0 | |
| 2013-08-12 | Accident | 0 | — | $0 | |
| 2011-06-21 | Accident | 0 | — | $0 | |
| 2009-08-26 | Accident | 0 | — | $0 | |
| 2008-03-21 | Accident | 0 | — | $0 | |
| 2007-07-11 | Complaint | 0 | — | $0 | |
| 2006-09-05 | Complaint | 1 | — | $0 | |
| 2006-04-08 | Accident | 2 | 2 | $24,750 | |
| 2006-04-08 | Unprogrammed Related | 4 | — | $3,740 | |
| 2000-04-13 | Accident | 0 | — | $0 | |
| 2000-04-12 | Accident | 0 | — | $0 | |
| 1999-05-20 | Accident | 1 | — | $300 | |
| 1999-05-19 | Accident | 0 | — | $0 |
Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.
In the news
Other employers in this industry and state
Other employers in skiing facilities within CA, ordered by federal enforcement volume:
- SQUAW VALLEY SKI CORP.OLYMPIC VALLEY — 1 federal enforcement record
- SIERRA AT TAHOE, LLCTWIN BRIDGES — 1 federal enforcement record
- KIRKWOOD MOUNTAIN RESORTKIRKWOOD — 1 federal enforcement record
- BOREAL RIDGE CORPORATION DBA SODA SPRINGS SKI RESOSODA SPRINGS — 1 federal enforcement record
- DONNER SUMMIT RESORTS, LLC DBA DONNER SKI RANCHNORDEN — 1 federal enforcement record
- MT BALDY SKI LIFTS INCMT BALDY — 0 federal enforcement records
- TRIMONT LAND COMPANYTRUCKEE — 0 federal enforcement records
Related searches
- Skiing FacilitiesAll employers in this industry
- Employers in CAState-wide enforcement data
- Skiing Facilities in CAIndustry × state cross-filter
About this data
This profile aggregates federal enforcement records on MAMMOTH MOUNTAIN SKI AREA, LLC from every major federal compliance and enforcement source. OSHA workplace safety inspections, WHD wage cases, MSHA mine safety, EPA environmental enforcement, NLRB labor relations, OFLC visa/labor certification, FMCSA motor carrier registration, SAM.gov debarments, CMS nursing-home records, BLS industry safety benchmarks, OSHA ITA self-reported injury rates, SEC enforcement and financial disclosures, CPSC and NHTSA recalls.
Establishments are matched across agencies using normalized employer name, state, and ZIP code.
OSHA citations typically appear 3–8 months after the inspection, so very recent enforcement actions may not yet be reflected. Profiles may be incomplete if the establishment operates under multiple legal names or files under variations our entity-matching rules don’t yet cover. To report a missing record or correction, email corrections@fastdol.com.
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Contact sales →Frequently asked
- What is MAMMOTH MOUNTAIN SKI AREA, LLC's OSHA violation history?
- MAMMOTH MOUNTAIN SKI AREA, LLC has 29 OSHA inspections on record with 23 violations and $197,780 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.