Botanical gardens · Illinois

The Morton Arboretum

Lisle, IL · ~377 workers · 7 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
5.1
Avg TCR
3.1
Industry avg
0
Fatalities
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The verdict

The Morton Arboretum runs at 165% of its industry's injury rate - more dangerous than the typical Botanical gardens workplace, earning a grade D.

The Morton Arboretum: 5.1 TCR = 165% of Botanical gardens BLS 3.1 · 7y Form 300A (see methodology below)

The Morton Arboretum safety composite

The Morton Arboretum scores strongest on total case rate (tcr) (safer than 64% of same-industry peers) and weakest on fatalities (safer than 51%), 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

59/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 5.12 per 100 workers

Safer than 64% of industry peers

DART rate
C 2.57 per 100 workers

Safer than 58% of industry peers

Fatalities
D 0

Safer than 51% 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

−1.2

2016→2024

The Morton Arboretum injury rate improved

The Morton Arboretum's TCR fell 1.2 from 6.0 in 2016 to 4.8 in 2024. Peak filing year was 2021 at 8.2 TCR. In 2024, DART was 0.5× this establishment's average TCR (severity share of cases).

2016=6.0 · 2018=5.3 · 2019=2.5 · 2021=8.2 · 2022=5.1 · 2023=3.9 · 2024=4.8

OSHA ITA Form 300A scorecard

Establishment book 712130 · Lisle, IL ABOVE-IND · MID

Grade D · TCR 5.1 · 165% of ind

  • DART 2.6 DART
  • RANK #3/6
  • PHOTO WCS - Central Park Zoo
  • BOOK 7y book
  • INJ 63 inj
  • SIZE ~377 FTE

Nearest TCR peer: WCS - Central Park Zoo (0.0 TCR gap)

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

The Morton Arboretum in the TCR neighbourhood

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

TCR

What this shows The Morton Arboretum averages 5.1 TCR (165% of the Botanical gardens BLS benchmark).

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

The Morton Arboretum TCR series: 2016=6 · 2018=5.3 · 2019=2.5 · 2021=8.2 · 2022=5.1 · 2023=3.9 · 2024=4.8 · BLS 3.1

Where The Morton Arboretum falls in its industry

174 Botanical gardens establishments

Safer than 64% of graded establishments in this industry, whose median TCR is 6.8.

More dangerous than peersSafer than peers

Narrower to Illinois alone (the establishments it most directly competes with for workers and contracts): ranked #3 safest of 6 Botanical gardens employers in Illinois.

The Morton Arboretum (377 employees, TCR 5.1) among 29 same-industry peers, split at the industry median of 153 employees and a TCR of 6.8 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 05001,0001,500 0102030 Average employees Total Case Rate The Morton Arboretum
The Morton Arboretum (377 employees, TCR 5.1) among 29 same-industry peers, split at the industry median of 153 employees and a TCR of 6.8

The Morton Arboretum has more employees than the Botanical gardens median and a lower injury rate than the industry's median TCR of 6.8. 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 4.8 2.6 10 5 0
2023 3.9 2.6 9 3 0
2022 5.1 2.7 11 4 0
2021 8.2 4.3 13 4 0
2019 2.5 1.2 4 2 0
2018 5.3 2.5 9 4 0
2016 6.0 2.1 7 7 0

OSHA ITA peer cross-reference

Establishment peer ledger

712130 · IL · Lisle

174 Botanical gardens employers nationwide with a credible TCR · 22,804 rated employers in Illinois with headcount on file · 67 employers in Lisle, IL · 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 WCS - Central Park Zoo 5.1 TCR
NAICS-TCR Mt. Cuba Center 5.2 TCR
NAICS-TCR Minnesota Zoo 5.1 TCR
NAICS-TCR Toledo Zoo 5.2 TCR
STATE-SIZE Smithfield Inc. 377 FTE
STATE-SIZE Pregis -Corporate 377 FTE
STATE-SIZE Warrenville - Homebased 377 FTE
STATE-SIZE Eby-Brown Montgomery 377 FTE
CITY-NEAR Corporate Office 2,414 FTE
CITY-NEAR Navistar Inc. Lisle WHQ 1,949 FTE
CITY-NEAR Molex, LLC Lisle 1,101 FTE
CITY-NEAR AMZL : DCH3 973 FTE
NAT-TCR Nextwire, LLC Star City, AR 5.1 TCR
NAT-TCR Village Market 5.1 TCR
NAT-TCR Interkal LLC 5.1 TCR
NAT-TCR Reedsburg Hardwoods 5.1 TCR
NAT-SIZE Foodservice New Jersey - 1034 377 FTE
NAT-SIZE Westward Seafoods 377 FTE
NAT-SIZE Bomel Construction Co., Inc. 377 FTE
NAT-SIZE Bridgeton 377 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, 2022, 2021, 2019, 2018, 2016. 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.