Water treatment and distribution · California

Henry J. Mills Filtration Plant

Riverside, CA · ~56 workers · 8 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
3.2
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

Henry J. Mills Filtration Plant runs at 268% of its industry's injury rate - far more dangerous than the typical Water treatment and distribution workplace, earning a grade F.

Henry J. Mills Filtration Plant: 3.2 TCR = 268% of Water treatment and distribution BLS 1.2 · 8y Form 300A (see methodology below)

Henry J. Mills Filtration Plant safety composite

Henry J. Mills Filtration Plant scores strongest on total case rate (tcr) (safer than 60% of same-industry peers) and weakest on dart rate (safer than 17%), 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).

D

43/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 3.22 per 100 workers

Safer than 60% of industry peers

DART rate
F 5.91 per 100 workers

Safer than 17% 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%).

Rising injury rate

Henry J. Mills Filtration Plant: 4.3 → 5.9 TCR

Peak year 2024 @ 5.9 TCR · DART/TCR 1.84× in 2024

Henry J. Mills Filtration Plant's TCR rose 1.7 from 4.3 in 2017 to 5.9 in 2024. In 2024, DART was 1.84× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 221310 · Riverside, CA ABOVE-IND · SMALL

Grade F · TCR 3.2 · 268% of ind

  • DART 5.9 DART
  • RANK #49/176
  • PHOTO SCWA - Aviation
  • BOOK 8y book
  • INJ 10 inj
  • SIZE ~56 FTE

Nearest TCR peer: SCWA - Aviation (0.0 TCR gap)

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

Henry J. Mills Filtration Plant in the TCR neighbourhood

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

TCR

What this shows Henry J. Mills Filtration Plant averages 3.2 TCR (268% 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

Henry J. Mills Filtration Plant TCR series: 2017=4.3 · 2018=3.8 · 2019=5.8 · 2020=2 · 2021=0 · 2022=2 · 2023=2 · 2024=5.9 · BLS 1.2

Where Henry J. Mills Filtration Plant falls in its industry

727 Water treatment and distributi establishments

Safer than 60% 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 #49 safest of 176 Water treatment and distributi employers in California.

Henry J. Mills Filtration Plant (56 employees, TCR 3.2) 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 Henry J. Mills Filtration Plant
Henry J. Mills Filtration Plant (56 employees, TCR 3.2) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.2

Henry J. Mills Filtration Plant has more employees than the Water treatment and distribution median and a lower 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 5.9 5.9 2 1 0
2023 2.0 2.0 1 0 0
2022 2.0 0.0 1 0 0
2021 0.0 0.0 0 0 0
2020 2.0 2.0 0 1 0
2019 5.8 3.8 3 0 0
2018 3.8 1.9 1 1 0
2017 4.3 2.1 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

221310 · CA · Riverside

727 Water treatment and distribution employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 536 employers in Riverside, 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 SCWA - Aviation 3.2 TCR
NAICS-TCR Baytown Service Center 3.2 TCR
NAICS-TCR Town of Normal - Water 3.2 TCR
NAICS-TCR Sawcross, Inc 3.2 TCR
STATE-SIZE Wallace Brothers 56 FTE
STATE-SIZE New Sun Farms, Inc 56 FTE
STATE-SIZE 1624 Poole Blvd., Yuba City, CA 95993 56 FTE
STATE-SIZE Copperhill 56 FTE
CITY-NEAR UC Riverside 8,676 FTE
CITY-NEAR CA-21 4,525 FTE
CITY-NEAR Riverside Community Hospital 2,354 FTE
CITY-NEAR 08681351 RIVERSIDE MED CENTER 2,349 FTE
NAT-TCR Astor Services for Children & Families- ECP- Wingdale 3.2 TCR
NAT-TCR Metropolitan Airport Authority of Rock Island County Illinois 3.2 TCR
NAT-TCR Pallets Inc 3.2 TCR
NAT-TCR S06878 - South Florida Container Shop 3.2 TCR
NAT-SIZE Flexmaster USA, Inc. 56 FTE
NAT-SIZE Public Utilities 56 FTE
NAT-SIZE EnTech Plastics Inc 56 FTE
NAT-SIZE 1103 Layton 56 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.
Data sourced from official public datasets. See our methodology for details.