Sewage treatment plant construction · California

C.W. Roen Construction Co.

Danville, CA · ~23 workers · 4 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
1.1
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

C.W. Roen Construction Co. runs at 38% of its industry's injury rate - far safer than the typical Sewage treatment plant construction workplace, earning a grade A.

C.W. Roen Construction Co.: 1.1 TCR = 38% of Sewage treatment plant construction BLS 2.8 · 4y Form 300A (see methodology below)

C.W. Roen Construction Co. safety composite

C.W. Roen Construction Co. scores strongest on total case rate (tcr) (safer than 85% of same-industry peers) and weakest on fatalities (safer than 52%), 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).

B

75/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.07 per 100 workers

Safer than 85% 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%).

C.W. Roen Construction Co. held a steady TCR band

C.W. Roen Construction Co.'s TCR held near 0.0 from 0.0 in 2017 to 0.0 in 2020. Peak filing year was 2019 at 4.3 TCR. In 2020, DART was 0× this establishment's average TCR (severity share of cases).

2017=0.0 · 2018=0.0 · 2019=4.3 · 2020=0.0

OSHA ITA Form 300A scorecard

Establishment book 237110 · Danville, CA AT/BELOW-IND · SMALL

Grade A · TCR 1.1 · 38% of ind

  • DART 0.0 DART
  • RANK #24/201
  • PHOTO Bancker Construction…
  • BOOK 4y book
  • INJ 1 inj
  • SIZE ~23 FTE

Nearest TCR peer: Bancker Construction Corp. (0.0 TCR gap)

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

C.W. Roen Construction Co. in the TCR neighbourhood

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

TCR

What this shows C.W. Roen Construction Co. averages 1.1 TCR (38% of the Sewage treatment plant construction BLS benchmark).

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

C.W. Roen Construction Co. TCR series: 2017=0 · 2018=0 · 2019=4.3 · 2020=0 · BLS 2.8

Where C.W. Roen Construction Co. falls in its industry

1,614 Sewage treatment plant constru establishments

Safer than 85% 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 #24 safest of 201 Sewage treatment plant constru employers in California.

C.W. Roen Construction Co. (23 employees, TCR 1.1) 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 C.W. Roen Construction Co.
C.W. Roen Construction Co. (23 employees, TCR 1.1) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0

C.W. Roen Construction Co. has fewer employees than the Sewage treatment plant construction median and a lower 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
2020 0.0 0.0 0 0 0
2019 4.3 4.3 1 0 0
2018 0.0 0.0 0 0 0
2017 0.0 0.0 0 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237110 · CA · Danville

1,614 Sewage treatment plant construction employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 34 employers in Danville, 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 Bancker Construction Corp. 1.1 TCR
NAICS-TCR Welkin Mechanical LLC 1.1 TCR
NAICS-TCR Vortex Companies 1.1 TCR
NAICS-TCR Diversco 1.1 TCR
STATE-SIZE James Diedrich Farms 23 FTE
STATE-SIZE Tri-Fanucchi Farms,LLC 23 FTE
STATE-SIZE KAN2 - 04 23 FTE
STATE-SIZE Kyer Farms 23 FTE
CITY-NEAR California Department of Transportation Facility 124 2,817 FTE
CITY-NEAR 0021 - DANVILLE CA WHSE 393 FTE
CITY-NEAR Blackhawk Country Club 282 FTE
CITY-NEAR JERO Corp 220 FTE
NAT-TCR Conbraco Industries - Reno 1.1 TCR
NAT-TCR Parks and Recreation 1.1 TCR
NAT-TCR Superior Energy Resources, LLC 1.1 TCR
NAT-TCR Isanti Middle 1.1 TCR
NAT-SIZE Arrow Exterminators Phoenix 23 FTE
NAT-SIZE Hughes Exterminators Sarasota 23 FTE
NAT-SIZE Arrow Exterminators Chattanooga 23 FTE
NAT-SIZE Nitrex, Inc. - NV Operations 23 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, 2019, 2018, 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.