Sewage treatment plants or facilities · California

Joint Water Pollution Control Plant

Carson, CA · ~307 workers · 6 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
6.3
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

Joint Water Pollution Control Plant runs at 522% of its industry's injury rate - far more dangerous than the typical Sewage treatment plants or facilities workplace, earning a grade F.

Joint Water Pollution Control Plant: 6.3 TCR = 522% of Sewage treatment plants or facilities BLS 1.2 · 6y Form 300A (see methodology below)

Joint Water Pollution Control Plant safety composite

Joint Water Pollution Control Plant scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on dart rate (safer than 7%), 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

29/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 6.26 per 100 workers

Safer than 34% of industry peers

DART rate
F 10.04 per 100 workers

Safer than 7% of industry peers

Fatalities
D 0

Safer than 50% 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

Joint Water Pollution Control Plant: 3.5 → 12.1 TCR

Peak year 2022 @ 12.1 TCR · DART/TCR 1.6× in 2022

Joint Water Pollution Control Plant's TCR rose 8.6 from 3.5 in 2017 to 12.1 in 2022. In 2022, DART was 1.6× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 221320 · Carson, CA ABOVE-IND · MID

Grade F · TCR 6.3 · 522% of ind

  • DART 10.0 DART
  • RANK #47/74
  • PHOTO Nebraska Region
  • BOOK 6y book
  • INJ 55 inj
  • SIZE ~307 FTE

Nearest TCR peer: Nebraska Region (0.0 TCR gap)

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Joint Water Pollution Control Plant in the TCR neighbourhood

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

TCR

What this shows Joint Water Pollution Control Plant averages 6.3 TCR (522% of the Sewage treatment plants or facilities BLS benchmark).

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

Joint Water Pollution Control Plant TCR series: 2017=3.5 · 2018=7.4 · 2019=3.8 · 2020=5.5 · 2021=5.3 · 2022=12.1 · BLS 1.2

Where Joint Water Pollution Control Plant falls in its industry

400 Sewage treatment plants or fac establishments

Safer than 34% of graded establishments in this industry, whose median TCR is 4.4.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #47 safest of 74 Sewage treatment plants or fac employers in California.

Joint Water Pollution Control Plant (307 employees, TCR 6.3) among 29 same-industry peers, split at the industry median of 47 employees and a TCR of 4.4 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 0200400600 0510152025 Average employees Total Case Rate Joint Water Pollution Control Plant
Joint Water Pollution Control Plant (307 employees, TCR 6.3) among 29 same-industry peers, split at the industry median of 47 employees and a TCR of 4.4

Joint Water Pollution Control Plant has more employees than the Sewage treatment plants or facilities median and a higher injury rate than the industry's median TCR of 4.4. 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
2022 12.1 10.0 7 28 0
2021 5.3 4.2 11 4 0
2020 5.5 4.8 6 10 0
2019 3.8 1.7 7 4 0
2018 7.4 4.2 15 6 0
2017 3.5 2.8 9 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

221320 · CA · Carson

400 Sewage treatment plants or facilities employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 236 employers in Carson, 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 Nebraska Region 6.3 TCR
NAICS-TCR Regional Waste Water Treatment Plant 6.3 TCR
NAICS-TCR Greater Peoria Sanitary District 6.3 TCR
NAICS-TCR Apache Junction Sewer District 6.2 TCR
STATE-SIZE New Evolution Construction, Inc 307 FTE
STATE-SIZE SunPower Corp. - SPSV San Jose B 51 307 FTE
STATE-SIZE BT Los Angeles (Cypress) 307 FTE
STATE-SIZE Porto's Bakery West Covina, Inc 307 FTE
CITY-NEAR Centric Parts (PEO) - Carson 1,190 FTE
CITY-NEAR Los Angeles Refinery Carson 1,083 FTE
CITY-NEAR AMPAM Parks Mechanical 965 FTE
CITY-NEAR City of Carson 755 FTE
NAT-TCR Greif Florence 6.3 TCR
NAT-TCR 540785-Bot-Main Office Sta 6.3 TCR
NAT-TCR Hinchcliff Lumber Company 6.3 TCR
NAT-TCR 287142-St Louis Mo P&Dc 6.3 TCR
NAT-SIZE Roanoke 3PL 307 FTE
NAT-SIZE EMJ Corporation 307 FTE
NAT-SIZE 2253-H4674 307 FTE
NAT-SIZE 6016-A0013_GLBU-MNX08X01 307 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: 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.