Distribution line, sewer and water, construction · Arizona

Tohono O O'dham Utility Authority

Sells, AZ · ~105 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.9
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Tohono O O'dham Utility Authority runs at 33% of its industry's injury rate - far safer than the typical Distribution line, sewer and water, construction workplace, earning a grade A.

Tohono O O'dham Utility Authority: 0.9 TCR = 33% of Distribution line, sewer and water, construction BLS 2.8 · 2y Form 300A (see methodology below)

Tohono O O'dham Utility Authority safety composite

Tohono O O'dham Utility Authority scores strongest on total case rate (tcr) (safer than 89% of same-industry peers) and weakest on dart rate (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

66/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 0.91 per 100 workers

Safer than 89% of industry peers

DART rate
D 0.88 per 100 workers

Safer than 51% 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%).

Tohono O O'dham Utility Authority held a steady TCR band

Tohono O O'dham Utility Authority's TCR held near 0.1 from 0.9 in 2016 to 0.9 in 2017. Peak filing year was 2016 at 0.9 TCR. In 2017, DART was 0.97× this establishment's average TCR (severity share of cases).

2016=0.9 · 2017=0.9

OSHA ITA Form 300A scorecard

Establishment book 237110 · Sells, AZ AT/BELOW-IND · MID

Grade A · TCR 0.9 · 33% of ind

  • DART 0.9 DART
  • RANK #4/36
  • PHOTO MPS Engineers
  • BOOK 2y book
  • INJ 2 inj
  • SIZE ~105 FTE

Nearest TCR peer: MPS Engineers (0.0 TCR gap)

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

Tohono O O'dham Utility Authority in the TCR neighbourhood

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

TCR

What this shows Tohono O O'dham Utility Authority averages 0.9 TCR (33% of the Distribution line, sewer and water, construction BLS benchmark).

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

Tohono O O'dham Utility Authority TCR series: 2016=0.9 · 2017=0.9 · BLS 2.8

Where Tohono O O'dham Utility Authority falls in its industry

1,614 Distribution line, sewer and w establishments

Safer than 89% of graded establishments in this industry, whose median TCR is 3.0.

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #4 safest of 36 Distribution line, sewer and w employers in Arizona.

Tohono O O'dham Utility Authority (105 employees, TCR 0.9) 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 Tohono O O'dham Utility Authority
Tohono O O'dham Utility Authority (105 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 54 employees and a TCR of 3.0

Tohono O O'dham Utility Authority has more employees than the Distribution line, sewer and water, cons 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
2017 0.9 0.9 1 0 0
2016 0.9 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

237110 · AZ · Sells

1,614 Distribution line, sewer and water, construction employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 3 employers in Sells, AZ · 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 MPS Engineers 0.9 TCR
NAICS-TCR Corporate Office 0.9 TCR
NAICS-TCR Gaston Brothers Utilities, LLC 0.9 TCR
NAICS-TCR UNDERGROUND WATER/SEWER UTILITIES 0.9 TCR
STATE-SIZE Elephant Head Farms 105 FTE
STATE-SIZE Hillphoenix AMS Phoenix 105 FTE
STATE-SIZE J. Banicki Construction, Inc. (Div of Sterling Construction) 105 FTE
STATE-SIZE The Klark Organization I, LLC 105 FTE
CITY-NEAR Tohono Oddham Utility Authority 113 FTE
CITY-NEAR Bashas 027 37 FTE
NAT-TCR Radial 0.9 TCR
NAT-TCR Pacifica Millcreek LLC 0.9 TCR
NAT-TCR HTXRS01 0.9 TCR
NAT-TCR Gavilon Fertilizer - Savannah 0.9 TCR
NAT-SIZE Stop & Shop 100537 105 FTE
NAT-SIZE Doyles Wholesale 105 FTE
NAT-SIZE Kirlin Builders 105 FTE
NAT-SIZE West Bay Center 105 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: 2017, 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.