Refuse collection services · California

Mammoth Disposal Company

Mammoth Lakes, CA · ~28 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.4
Avg TCR
2.6
Industry avg
0
Fatalities
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The verdict

Mammoth Disposal Company runs at 170% of its industry's injury rate - more dangerous than the typical Refuse collection services workplace, earning a grade D.

Mammoth Disposal Company: 4.4 TCR = 170% of Refuse collection services BLS 2.6 · 2y Form 300A (see methodology below)

Mammoth Disposal Company safety composite

Mammoth Disposal Company scores strongest on total case rate (tcr) (safer than 56% of same-industry peers) and weakest on fatalities (safer than 52%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

D

54/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 4.43 per 100 workers

Safer than 56% of industry peers

DART rate
D 2.95 per 100 workers

Safer than 54% of industry peers

Fatalities
D 0

Safer than 52% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Rising injury rate

Mammoth Disposal Company: 3.0 → 5.9 TCR

Peak year 2024 @ 5.9 TCR · DART/TCR 0.67× in 2024

Mammoth Disposal Company's TCR rose 3.0 from 3.0 in 2023 to 5.9 in 2024. In 2024, DART was 0.67× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 562111 · Mammoth Lakes, CA ABOVE-IND · SMALL

Grade D · TCR 4.4 · 170% of ind

  • DART 3.0 DART
  • RANK #77/247
  • PHOTO S04195 - WM of The T…
  • BOOK 2y book
  • INJ 3 inj
  • SIZE ~28 FTE

Nearest TCR peer: S04195 - WM of The Tri-Cities (0.0 TCR gap)

Read with this employer → · Industry book → · California employers → · Look up another →

Mammoth Disposal Company in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Mammoth Disposal Company averages 4.4 TCR (170% of the Refuse collection services BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Mammoth Disposal Company TCR series: 2023=3 · 2024=5.9 · BLS 2.6

Where Mammoth Disposal Company falls in its industry

2,322 Refuse collection services establishments

Safer than 56% of graded establishments in this industry, whose median TCR is 5.1.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #77 safest of 247 Refuse collection services employers in California.

Mammoth Disposal Company (28 employees, TCR 4.4) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 5.1 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 0100200300400 05101520 Average employees Total Case Rate Mammoth Disposal Company
Mammoth Disposal Company (28 employees, TCR 4.4) among 29 same-industry peers, split at the industry median of 55 employees and a TCR of 5.1

Mammoth Disposal Company has fewer employees than the Refuse collection services median and a lower injury rate than the industry's median TCR of 5.1. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2024 5.9 3.0 2 0 0
2023 3.0 3.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

562111 · CA · Mammoth Lakes

2,322 Refuse collection services employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 10 employers in Mammoth Lakes, CA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR S04195 - WM of The Tri-Cities 4.4 TCR
NAICS-TCR Yes 2 4.4 TCR
NAICS-TCR AWS - Oklahoma City 4.4 TCR
NAICS-TCR S06698 - Winton Disposal 4.4 TCR
STATE-SIZE Davis Ranch L.L.C. 28 FTE
STATE-SIZE Steinbeck Country Produce 28 FTE
STATE-SIZE Harlan Family Ranch 28 FTE
STATE-SIZE KKG Equipment Company, LLC32 28 FTE
CITY-NEAR Mammoth Mountain Ski Area, LLC 2,452 FTE
CITY-NEAR Mammoth Hospital 410 FTE
CITY-NEAR California Department of Transportation Facility 314 315 FTE
CITY-NEAR 6962-SWY-0029-0029-02400 102 FTE
NAT-TCR Rochester RLC 4.4 TCR
NAT-TCR Rosen Plaza 4.4 TCR
NAT-TCR 745 Dwt62 4.4 TCR
NAT-TCR Store 429 4.4 TCR
NAT-SIZE 001 Nacogdoches 28 FTE
NAT-SIZE 144 McAllen 28 FTE
NAT-SIZE Logan Graphic Products, Inc 28 FTE
NAT-SIZE Moonlite Electric & Construction, Inc. 28 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2023. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.