Water supply systems · California

Mesa Water District

Costa Mesa, CA · ~52 workers · 8 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
8.2
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

Mesa Water District runs at 679% of its industry's injury rate - far more dangerous than the typical Water supply systems workplace, earning a grade F.

Mesa Water District: 8.2 TCR = 679% of Water supply systems BLS 1.2 · 8y Form 300A (see methodology below)

Mesa Water District safety composite

Mesa Water District scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 20%), 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

28/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 8.15 per 100 workers

Safer than 20% of industry peers

DART rate
F 5.27 per 100 workers

Safer than 21% 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

2017→2024

Mesa Water District injury rate improved

Mesa Water District's TCR fell 2.1 from 7.4 in 2017 to 5.3 in 2024. Peak filing year was 2022 at 16.2 TCR. In 2024, DART was 0.65× this establishment's average TCR (severity share of cases).

2017=7.4 · 2018=12.0 · 2019=9.3 · 2020=3.6 · 2021=3.4 · 2022=16.2 · 2023=8.1 · 2024=5.3

OSHA ITA Form 300A scorecard

Establishment book 221310 · Costa Mesa, CA ABOVE-IND · SMALL

Grade F · TCR 8.2 · 679% of ind

  • DART 5.3 DART
  • RANK #141/176
  • PHOTO Village of Melrose P…
  • BOOK 8y book
  • INJ 25 inj
  • SIZE ~52 FTE

Nearest TCR peer: Village of Melrose Park (0.0 TCR gap)

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

Mesa Water District in the TCR neighbourhood

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

TCR

What this shows Mesa Water District averages 8.2 TCR (679% of the Water supply systems BLS benchmark).

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

Mesa Water District TCR series: 2017=7.4 · 2018=12 · 2019=9.3 · 2020=3.6 · 2021=3.4 · 2022=16.2 · 2023=8.1 · 2024=5.3 · BLS 1.2

Where Mesa Water District falls in its industry

727 Water supply systems establishments

Safer than 20% of graded establishments in this industry, whose median TCR is 4.2.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #141 safest of 176 Water supply systems employers in California.

Mesa Water District (52 employees, TCR 8.2) 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 0100200300 051015 Average employees Total Case Rate Mesa Water District
Mesa Water District (52 employees, TCR 8.2) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.2

Mesa Water District has fewer employees than the Water supply systems 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 5.3 5.3 3 0 0
2023 8.1 6.1 2 2 0
2022 16.2 12.2 3 5 0
2021 3.4 1.7 2 0 0
2020 3.6 3.6 1 1 0
2019 9.3 5.6 4 1 0
2018 12.0 10.0 6 0 0
2017 7.4 5.5 4 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

221310 · CA · Costa Mesa

727 Water supply systems employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 185 employers in Costa Mesa, 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 Village of Melrose Park 8.2 TCR
NAICS-TCR Barkhamsted Headquarters 8.2 TCR
NAICS-TCR Lowcountry Regional Water System 8.1 TCR
NAICS-TCR Kitsap Public Utility #1 8.1 TCR
STATE-SIZE Phil Foster Ranch 52 FTE
STATE-SIZE Oceano Packing Company 52 FTE
STATE-SIZE Sun Pacific Farming | Citrus Farming | Ivanhoe 52 FTE
STATE-SIZE Brassfield Estate Vineyard 52 FTE
CITY-NEAR PACIFIC AMPHITHEATER 863 FTE
CITY-NEAR OC Fair & Event Center 861 FTE
CITY-NEAR City of Costa Mesa 670 FTE
CITY-NEAR PACWEST Security Services 567 FTE
NAT-TCR Detroit Lakes Workforce Center 8.2 TCR
NAT-TCR MORGANFIELD 8.2 TCR
NAT-TCR EPPA Mercy Hospital 8.2 TCR
NAT-TCR Dc 6300 8.2 TCR
NAT-SIZE Merisco, Inc. 52 FTE
NAT-SIZE US Gypsum North Kansas City 52 FTE
NAT-SIZE J&L Wire Cloth LLC 52 FTE
NAT-SIZE City of Kasson 52 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. 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.