Water treatment plants · California

City of South San Francisco - Water Quality Control Plant

South San Francisco, CA · ~39 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
9.7
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

City of South San Francisco - Water Quality Control Plant runs at 809% of its industry's injury rate - far more dangerous than the typical Water treatment plants workplace, earning a grade F.

City of South San Francisco - Water Quality Control Plant: 9.7 TCR = 809% of Water treatment plants BLS 1.2 · 2y Form 300A (see methodology below)

City of South San Francisco - Water Quality Control Plant safety composite

City of South San Francisco - Water Quality Control Plant scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 4%), 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

19/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 9.71 per 100 workers

Safer than 13% of industry peers

DART rate
F 13.17 per 100 workers

Safer than 4% 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

City of South San Francisco - Water Quality Control Plant: 3.0 → 16.5 TCR

Peak year 2024 @ 16.5 TCR · DART/TCR 1.36× in 2024

City of South San Francisco - Water Quality Control Plant's TCR rose 13.5 from 3.0 in 2023 to 16.5 in 2024. In 2024, DART was 1.36× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 221310 · South San Francisco, CA ABOVE-IND · SMALL

Grade F · TCR 9.7 · 809% of ind

  • DART 13.2 DART
  • RANK #157/176
  • PHOTO New York American Wa…
  • BOOK 2y book
  • INJ 5 inj
  • SIZE ~39 FTE

Nearest TCR peer: New York American Water - Merrick (0.0 TCR gap)

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

City of South San Francisco - Water Quality Control Plant in the TCR neighbourhood

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

TCR

What this shows City of South San Francisco - Water Quality Control Plant averages 9.7 TCR (809% of the Water treatment plants BLS benchmark).

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

City of South San Francisco - Water Quality Control Plant TCR series: 2023=3 · 2024=16.5 · BLS 1.2

Where City of South San Francisco - Water Quality Control Plant falls in its industry

727 Water treatment plants establishments

Safer than 13% 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 #157 safest of 176 Water treatment plants employers in California.

City of South San Francisco - Water Quality Control Plant (39 employees, TCR 9.7) 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 City of South San Francisco - Water Quality Control Plant
City of South San Francisco - Water Quality Control Plant (39 employees, TCR 9.7) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.2

City of South San Francisco - Water Quality Control Plant has fewer employees than the Water treatment plants 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 16.5 13.2 4 1 0
2023 3.0 3.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

221310 · CA · South San Francisco

727 Water treatment plants employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 136 employers in South San Francisco, 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 New York American Water - Merrick 9.7 TCR
NAICS-TCR RMWD 9.8 TCR
NAICS-TCR Valley County Water District 9.7 TCR
NAICS-TCR Water Division 9.7 TCR
STATE-SIZE San Felipe Farms 39 FTE
STATE-SIZE Schreiner Brothers Farms 39 FTE
STATE-SIZE TLC Custom Farming Company LLC 39 FTE
STATE-SIZE Sonoma Valley Vineyards 39 FTE
CITY-NEAR Genentech SSF 13,259 FTE
CITY-NEAR 2032-02120951 1,497 FTE
CITY-NEAR Aspiranet 1,182 FTE
CITY-NEAR 0206-02620951 1,178 FTE
NAT-TCR JK2 Scenic, LLC. 9.7 TCR
NAT-TCR Azsaf - Safford 9.7 TCR
NAT-TCR Njmto - Mount Olive 9.7 TCR
NAT-TCR Highland Roofing Company 9.7 TCR
NAT-SIZE NFI Interactive Logistics LLC-711 THOMLIN MILL ROAD 39 FTE
NAT-SIZE Physical Plant 39 FTE
NAT-SIZE Nachi Tool America Inc. 39 FTE
NAT-SIZE Kscol - Colby 39 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. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.