Grape farming without making wine · California

Trefethen Farming, LLC

Napa, CA · ~50 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
10.6
Avg TCR
4.5
Industry avg
0
Fatalities
Subscribe to safety-record updates (RSS)

The verdict

Trefethen Farming, LLC runs at 236% of its industry's injury rate - far more dangerous than the typical Grape farming without making wine workplace, earning a grade F.

Trefethen Farming, LLC: 10.6 TCR = 236% of Grape farming without making wine BLS 4.5 · 2y Form 300A (see methodology below)

Trefethen Farming, LLC safety composite

Trefethen Farming, LLC scores strongest on fatalities (safer than 52% of same-industry peers) and weakest on dart rate (safer than 11%), 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).

F

22/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 10.6 per 100 workers

Safer than 12% of industry peers

DART rate
F 9.31 per 100 workers

Safer than 11% 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%).

TCR Δ

−2.6

2017→2020

Trefethen Farming, LLC injury rate improved

Trefethen Farming, LLC's TCR fell 2.6 from 11.9 in 2017 to 9.3 in 2020. Peak filing year was 2017 at 11.9 TCR. In 2020, DART was 0.88× this establishment's average TCR (severity share of cases).

2017=11.9 · 2020=9.3

OSHA ITA Form 300A scorecard

Establishment book 111332 · Napa, CA ABOVE-IND · SMALL

Grade F · TCR 10.6 · 236% of ind

  • DART 9.3 DART
  • RANK #133/151
  • PHOTO Kimberlina Shop
  • BOOK 2y book
  • INJ 11 inj
  • SIZE ~50 FTE

Nearest TCR peer: Kimberlina Shop (0.1 TCR gap)

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

Trefethen Farming, LLC in the TCR neighbourhood

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

TCR

What this shows Trefethen Farming, LLC averages 10.6 TCR (236% of the Grape farming without making wine BLS benchmark).

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

Trefethen Farming, LLC TCR series: 2017=11.9 · 2020=9.3 · BLS 4.5

Where Trefethen Farming, LLC falls in its industry

162 Grape farming without making w establishments

Safer than 12% of graded establishments in this industry, whose median TCR is 4.6.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #133 safest of 151 Grape farming without making w employers in California.

Trefethen Farming, LLC (50 employees, TCR 10.6) among 29 same-industry peers, split at the industry median of 51 employees and a TCR of 4.6 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 05001,0001,5002,000 05101520 Average employees Total Case Rate Trefethen Farming, LLC
Trefethen Farming, LLC (50 employees, TCR 10.6) among 29 same-industry peers, split at the industry median of 51 employees and a TCR of 4.6

Trefethen Farming, LLC has fewer employees than the Grape farming without making wine median and a higher injury rate than the industry's median TCR of 4.6. 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
2020 9.3 9.3 5 0 0
2017 11.9 9.9 6 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

111332 · CA · Napa

162 Grape farming without making wine employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 186 employers in Napa, 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 Kimberlina Shop 10.7 TCR
NAICS-TCR Rawah-Sonoma County 11.0 TCR
NAICS-TCR Knights Grapevine Nursery 11.1 TCR
NAICS-TCR Enterprise Vineyards 11.1 TCR
STATE-SIZE Jack Bros., Inc. 50 FTE
STATE-SIZE M Three Ranches, LLC 50 FTE
STATE-SIZE Penterman Farming Company 50 FTE
STATE-SIZE Mike Jackson Farms, Inc. 50 FTE
CITY-NEAR California Department of Transportation Facility 532 2,891 FTE
CITY-NEAR Department of State Hospitals-Napa 2,248 FTE
CITY-NEAR Napa County 1,545 FTE
CITY-NEAR 2004-00001420 1,142 FTE
NAT-TCR 40 Pine St 10.6 TCR
NAT-TCR Kansas City 10.6 TCR
NAT-TCR Tmx2209 - Staten Island 10.6 TCR
NAT-TCR Hastings Bulb Growers, Inc 10.6 TCR
NAT-SIZE Darling Ingredients LLC Tampa 50 FTE
NAT-SIZE Capital Choice Pathology Laboratory 50 FTE
NAT-SIZE 26 - Helo Mx Fe Warren Afb Uh-1, Wy 50 FTE
NAT-SIZE IL01-SMA-CHICAGO 50 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: 2020, 2017. 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.