Water treatment plant construction · California

Shea Parsons, a Joint Venture

Walnut, CA · ~28 workers · 5 years of OSHA Injury Tracking Application data.

D
Poor Safety Record
4.0
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Shea Parsons, a Joint Venture runs at 144% of its industry's injury rate - more dangerous than the typical Water treatment plant construction workplace, earning a grade D.

Shea Parsons, a Joint Venture: 4.0 TCR = 144% of Water treatment plant construction BLS 2.8 · 5y Form 300A (see methodology below)

Shea Parsons, a Joint Venture safety composite

Shea Parsons, a Joint Venture scores strongest on dart rate (safer than 79% of same-industry peers) and weakest on total case rate (tcr) (safer than 36%), 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

55/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.02 per 100 workers

Safer than 36% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% 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

Shea Parsons, a Joint Venture: 0.0 → 4.3 TCR

Peak year 2019 @ 8.4 TCR · DART/TCR 0× in 2024

Shea Parsons, a Joint Venture's TCR rose 4.3 from 0.0 in 2018 to 4.3 in 2024. Peak filing year was 2019 at 8.4 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 237110 · Walnut, CA ABOVE-IND · SMALL

Grade D · TCR 4.0 · 144% of ind

  • DART 0.0 DART
  • RANK #125/201
  • PHOTO Preload LLC
  • BOOK 5y book
  • INJ 6 inj
  • SIZE ~28 FTE

Nearest TCR peer: Preload LLC (0.0 TCR gap)

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

Shea Parsons, a Joint Venture in the TCR neighbourhood

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

TCR

What this shows Shea Parsons, a Joint Venture averages 4.0 TCR (144% of the Water treatment plant construction BLS benchmark).

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

Shea Parsons, a Joint Venture TCR series: 2018=0 · 2019=8.4 · 2020=2.4 · 2021=5 · 2024=4.3 · BLS 2.8

Where Shea Parsons, a Joint Venture falls in its industry

1,614 Water treatment plant construc establishments

Safer than 36% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #125 safest of 201 Water treatment plant construc employers in California.

Shea Parsons, a Joint Venture (28 employees, TCR 4.0) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0 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 0100200300400500 051015 Average employees Total Case Rate Shea Parsons, a Joint Venture
Shea Parsons, a Joint Venture (28 employees, TCR 4.0) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0

Shea Parsons, a Joint Venture has fewer employees than the Water treatment plant construction median and a higher injury rate than the industry's median TCR of 3.0. 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 4.3 0.0 1 0 0
2021 5.0 5.0 2 0 0
2020 2.4 2.4 1 0 0
2019 8.4 8.4 2 0 0
2018 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237110 · CA · Walnut

1,614 Water treatment plant construction employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 43 employers in Walnut, 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 Preload LLC 4.0 TCR
NAICS-TCR Southwest Utility Systems Inc 4.0 TCR
NAICS-TCR Prunty Construction Company, Inc. 4.0 TCR
NAICS-TCR Baltazar Contractors 4.0 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 California Department of Transportation Facility 510 2,621 FTE
CITY-NEAR Sysco Los Angeles 788 FTE
CITY-NEAR Sysco 788 FTE
CITY-NEAR Shea Homes LP 653 FTE
NAT-TCR Best Choice - Brooklyn 4.0 TCR
NAT-TCR WellStar Laundry Services 4.0 TCR
NAT-TCR International Masonry , Inc. 4.0 TCR
NAT-TCR Thompson Trucking 4.0 TCR
NAT-SIZE Bjcc, Inc. 28 FTE
NAT-SIZE Physicians East- Endocrine 28 FTE
NAT-SIZE Kilihau Corporate Office 28 FTE
NAT-SIZE Advanced Fiber 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, 2021, 2020, 2019, 2018. 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.