Grape farming and making wine · California

Six Sigma Winery, LLC

Lower Lake, CA · ~25 workers · 2 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.9
Avg TCR
3.3
Industry avg
0
Fatalities
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The verdict

Six Sigma Winery, LLC runs at 148% of its industry's injury rate - more dangerous than the typical Grape farming and making wine workplace, earning a grade D.

Six Sigma Winery, LLC: 4.9 TCR = 148% of Grape farming and making wine BLS 3.3 · 2y Form 300A (see methodology below)

Six Sigma Winery, LLC safety composite

Six Sigma Winery, LLC scores strongest on dart rate (safer than 82% of same-industry peers) and weakest on total case rate (tcr) (safer than 50%), 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).

C

61/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.88 per 100 workers

Safer than 50% of industry peers

DART rate
B 0 per 100 workers

Safer than 82% of industry peers

Fatalities
D 0

Safer than 50% 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

Six Sigma Winery, LLC: 0.0 → 9.8 TCR

Peak year 2023 @ 9.8 TCR · DART/TCR 0× in 2023

Six Sigma Winery, LLC's TCR rose 9.8 from 0.0 in 2022 to 9.8 in 2023. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 312130 · Lower Lake, CA ABOVE-IND · SMALL

Grade D · TCR 4.9 · 148% of ind

  • DART 0.0 DART
  • RANK #114/224
  • PHOTO Duckhorn Vineyards
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~25 FTE

Nearest TCR peer: Duckhorn Vineyards (0.0 TCR gap)

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

Six Sigma Winery, LLC in the TCR neighbourhood

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

TCR

What this shows Six Sigma Winery, LLC averages 4.9 TCR (148% of the Grape farming and making wine BLS benchmark).

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

Six Sigma Winery, LLC TCR series: 2022=0 · 2023=9.8 · BLS 3.3

Where Six Sigma Winery, LLC falls in its industry

309 Grape farming and making wine establishments

Safer than 50% of graded establishments in this industry, whose median TCR is 4.9.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #114 safest of 224 Grape farming and making wine employers in California.

Six Sigma Winery, LLC (25 employees, TCR 4.9) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 4.9 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 0200400600800 051015 Average employees Total Case Rate Six Sigma Winery, LLC
Six Sigma Winery, LLC (25 employees, TCR 4.9) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 4.9

Six Sigma Winery, LLC has fewer employees than the Grape farming and making wine median and a higher injury rate than the industry's median TCR of 4.9. 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
2023 9.8 0.0 1 0 0
2022 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

312130 · CA · Lower Lake

309 Grape farming and making wine employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 5 employers in Lower Lake, 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 Duckhorn Vineyards 4.9 TCR
NAICS-TCR Bronco Wine Company 4.9 TCR
NAICS-TCR Tagaris Winery Inc 4.9 TCR
NAICS-TCR Vinwood Cellars 4.9 TCR
STATE-SIZE Conservation Farms Ranches 25 FTE
STATE-SIZE GM Ag Services, Inc. 25 FTE
STATE-SIZE Farm Shop 25 FTE
STATE-SIZE Dougherty Brothers 25 FTE
CITY-NEAR Paratransit-Lake 41 FTE
CITY-NEAR EPIDENDIO CONSTRUCTION, INC. 21 FTE
CITY-NEAR Six Sigma Ranch & Winery, California 21 FTE
CITY-NEAR Ranch & Winery, California 21 FTE
NAT-TCR Sprecher Brewing Co 4.9 TCR
NAT-TCR Greater Lakes Mental Health 4.9 TCR
NAT-TCR Oldcastle Materials 4.9 TCR
NAT-TCR Il Cmop 4.9 TCR
NAT-SIZE Pic, Inc 25 FTE
NAT-SIZE Tom's Mechanical Inc. 25 FTE
NAT-SIZE ReBuilding Center 25 FTE
NAT-SIZE Ranger Aviation Enterprises, Inc. 25 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: 2023, 2022. 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.