Water treatment and distribution · Arizona

Water Resources H310

Mesa, AZ · ~287 workers · 9 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
6.5
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

Water Resources H310 runs at 543% of its industry's injury rate - far more dangerous than the typical Water treatment and distribution workplace, earning a grade F.

Water Resources H310: 6.5 TCR = 543% of Water treatment and distribution BLS 1.2 · 9y Form 300A (see methodology below)

Water Resources H310 safety composite

Water Resources H310 scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 25%), 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

33/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.51 per 100 workers

Safer than 28% of industry peers

DART rate
F 4.76 per 100 workers

Safer than 25% 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

−2.1

2016→2024

Water Resources H310 injury rate improved

Water Resources H310's TCR fell 2.1 from 7.6 in 2016 to 5.5 in 2024. Peak filing year was 2021 at 9.0 TCR. In 2024, DART was 0.73× this establishment's average TCR (severity share of cases).

2016=7.6 · 2017=7.0 · 2018=4.6 · 2019=5.7 · 2020=3.3 · 2021=9.0 · 2022=8.5 · 2023=7.5 · 2024=5.5

OSHA ITA Form 300A scorecard

Establishment book 221310 · Mesa, AZ ABOVE-IND · MID

Grade F · TCR 6.5 · 543% of ind

  • DART 4.8 DART
  • RANK #23/30
  • PHOTO SOUTHERN UTILITIES
  • BOOK 9y book
  • INJ 138 inj
  • SIZE ~287 FTE

Nearest TCR peer: SOUTHERN UTILITIES (0.0 TCR gap)

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

Water Resources H310 in the TCR neighbourhood

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

TCR

What this shows Water Resources H310 averages 6.5 TCR (543% of the Water treatment and distribution BLS benchmark).

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

Water Resources H310 TCR series: 2016=7.6 · 2017=7 · 2018=4.6 · 2019=5.7 · 2020=3.3 · 2021=9 · 2022=8.5 · 2023=7.5 · 2024=5.5 · BLS 1.2

Where Water Resources H310 falls in its industry

727 Water treatment and distributi establishments

Safer than 28% of graded establishments in this industry, whose median TCR is 4.2.

More dangerous than peersSafer than peers

Narrower to Arizona alone (the establishments it most directly competes with for workers and contracts): ranked #23 safest of 30 Water treatment and distributi employers in Arizona.

Water Resources H310 (287 employees, TCR 6.5) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.2 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 0100200300400 051015 Average employees Total Case Rate Water Resources H310
Water Resources H310 (287 employees, TCR 6.5) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.2

Water Resources H310 has more employees than the Water treatment and distribution median and a higher injury rate than the industry's median TCR of 4.2. 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 5.5 4.8 15 0 0
2023 7.5 6.7 19 0 0
2022 8.5 7.2 18 2 0
2021 9.0 7.7 20 1 0
2020 3.3 2.5 8 0 0
2019 5.7 4.9 14 0 0
2018 4.6 3.8 11 0 0
2017 7.0 5.7 16 0 0
2016 7.6 6.2 17 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

221310 · AZ · Mesa

727 Water treatment and distribution employers nationwide with a credible TCR · 9,594 rated employers in Arizona with headcount on file · 565 employers in Mesa, 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 SOUTHERN UTILITIES 6.5 TCR
NAICS-TCR American Water Operations and Maintenance, LLC 6.5 TCR
NAICS-TCR New Jersey American Water-Fire Road 6.5 TCR
NAICS-TCR Lake Hemet Municipal Water District 6.5 TCR
STATE-SIZE FSG-Arizona 287 FTE
STATE-SIZE United Construction Group//High Power Electric 287 FTE
STATE-SIZE Hydro Phoenix Fabrication 287 FTE
STATE-SIZE Black Canyon 287 FTE
CITY-NEAR AZ001 4,193 FTE
CITY-NEAR AZAPW9668 AZA - RAMP PAX 3,181 FTE
CITY-NEAR 04-290370278-2 1,964 FTE
CITY-NEAR Police Department H210 1,651 FTE
NAT-TCR Horizon Ridge Warehouse #1003 6.5 TCR
NAT-TCR Citizens Memorial Healthcare Facility 6.5 TCR
NAT-TCR Bethany Health Care Center 6.5 TCR
NAT-TCR Oscar Winski Company Metal Recycling Division 6.5 TCR
NAT-SIZE Holland Inc. 287 FTE
NAT-SIZE Fredericksburg 287 FTE
NAT-SIZE XOtech, LLC 287 FTE
NAT-SIZE Ufp Grandview , LLC 287 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, 2020, 2019, 2018, 2017, 2016. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.