Sewage treatment plants or facilities · California

Ellison Environmental, Inc.

Arroyo Grande, CA · ~39 workers · 5 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
11.5
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

Ellison Environmental, Inc. runs at 958% of its industry's injury rate - far more dangerous than the typical Sewage treatment plants or facilities workplace, earning a grade F.

Ellison Environmental, Inc.: 11.5 TCR = 958% of Sewage treatment plants or facilities BLS 1.2 · 5y Form 300A (see methodology below)

Ellison Environmental, Inc. safety composite

Ellison Environmental, Inc. scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 10%), 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

20/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 11.49 per 100 workers

Safer than 10% of industry peers

DART rate
F 8.1 per 100 workers

Safer than 11% 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%).

TCR Δ

−2.5

2017→2024

Ellison Environmental, Inc. injury rate improved

Ellison Environmental, Inc.'s TCR fell 2.5 from 10.6 in 2017 to 8.1 in 2024. Peak filing year was 2020 at 16.0 TCR. In 2024, DART was 0.7× this establishment's average TCR (severity share of cases).

2017=10.6 · 2018=8.0 · 2020=16.0 · 2021=14.8 · 2024=8.1

OSHA ITA Form 300A scorecard

Establishment book 221320 · Arroyo Grande, CA ABOVE-IND · SMALL

Grade F · TCR 11.5 · 958% of ind

  • DART 8.1 DART
  • RANK #67/74
  • PHOTO Ypsilanti Community …
  • BOOK 5y book
  • INJ 23 inj
  • SIZE ~39 FTE

Nearest TCR peer: Ypsilanti Community Utilities Authority Maintenance (0.0 TCR gap)

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

Ellison Environmental, Inc. in the TCR neighbourhood

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

TCR

What this shows Ellison Environmental, Inc. averages 11.5 TCR (958% of the Sewage treatment plants or facilities BLS benchmark).

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

Ellison Environmental, Inc. TCR series: 2017=10.6 · 2018=8 · 2020=16 · 2021=14.8 · 2024=8.1 · BLS 1.2

Where Ellison Environmental, Inc. falls in its industry

400 Sewage treatment plants or fac establishments

Safer than 10% of graded establishments in this industry, whose median TCR is 4.4.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #67 safest of 74 Sewage treatment plants or fac employers in California.

Ellison Environmental, Inc. (39 employees, TCR 11.5) among 29 same-industry peers, split at the industry median of 47 employees and a TCR of 4.4 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 0200400600 0510152025 Average employees Total Case Rate Ellison Environmental, Inc.
Ellison Environmental, Inc. (39 employees, TCR 11.5) among 29 same-industry peers, split at the industry median of 47 employees and a TCR of 4.4

Ellison Environmental, Inc. has fewer employees than the Sewage treatment plants or facilities median and a higher injury rate than the industry's median TCR of 4.4. 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 8.1 8.1 3 0 0
2021 14.8 9.8 6 0 0
2020 16.0 4.6 7 0 0
2018 8.0 0.0 3 0 0
2017 10.6 8.0 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

221320 · CA · Arroyo Grande

400 Sewage treatment plants or facilities employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 33 employers in Arroyo Grande, 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 Ypsilanti Community Utilities Authority Maintenance 11.5 TCR
NAICS-TCR CITY OF GRANITE CITY WASTEWATER TREATMENT PLANT 11.5 TCR
NAICS-TCR Compton Field Office 11.4 TCR
NAICS-TCR Metro Biosolids Center 11.4 TCR
STATE-SIZE San Felipe Farms 39 FTE
STATE-SIZE Schreiner Brothers Farms 39 FTE
STATE-SIZE TLC Custom Farming Company LLC 39 FTE
STATE-SIZE Sonoma Valley Vineyards 39 FTE
CITY-NEAR 6403-64030365 439 FTE
CITY-NEAR Marian Regional Medica Center - Arroyo Grande Campus 380 FTE
CITY-NEAR Papich Construction 223 FTE
CITY-NEAR WM 2556 214 FTE
NAT-TCR 049/Stonebriar 11.5 TCR
NAT-TCR DMC Service Group 11.5 TCR
NAT-TCR Silvercrest at Deer Creek 11.5 TCR
NAT-TCR WAS009 11.5 TCR
NAT-SIZE Indianapolis Private Fleet in 39 FTE
NAT-SIZE MAPEI Dalton #2 39 FTE
NAT-SIZE DDRC Weiland Center 39 FTE
NAT-SIZE Administrative Offices 39 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, 2021, 2020, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.