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
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.
- F
- Failing Safety Record
- 9.7
- avg TCR · per 100 workers
- 1.2
- industry benchmark (BLS)
- 5
- recordable injuries tracked
Grade compares City of South San Francisco - Water Quality Control Plant's OSHA Total Case Rate to the BLS industry benchmark across 2 years of Form 300A filings (2016–2024). This reflects reported recordable injuries, not an independent safety inspection -- underreporting is a known limitation of employer self-recordkeeping.
Injury rate over time
City of South San Francisco - Water Quality Control Plant's yearly Total Case Rate, against the 1.2 industry benchmark.
Where City of South San Francisco - Water Quality Control Plant falls in its industry
841 Water treatment plants establishmentsSafer than 11% of graded establishments in this industry, whose median TCR is 3.5.
Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #163 safest of 182 Water treatment plants employers in California.
City of South San Francisco - Water Quality Control Plant has an average TCR of 9.7, which is 809% of the industry average (1.2) for Water treatment plants. This is significantly worse than average.
The letter grade is a transparent derived index PlainSafetyScore computes from public OSHA ITA and BLS benchmark data, not an official OSHA rating or safety certification. Full formula and thresholds: Methodology.
Trend analysis for City of South San Francisco - Water Quality Control Plant
Between 2023 and 2024, City of South San Francisco - Water Quality Control Plant's Total Case Rate worsened from 3.0 to 16.5 recordable injuries per 100 full-time workers, a 458% increase across 1 year of OSHA reporting.
The safest year on record was 2023, at a TCR of 3.0, while 2024 saw the highest rate, at 16.5, a spread of 13.5 points between the best and worst reporting years. That's a wide swing relative to the establishment's overall rate, worth checking the year-by-year table below for whether a single severe year is driving the average, rather than a sustained trend.
Summed across those 2 reporting years, City of South San Francisco - Water Quality Control Plant recorded 5 total injuries and illnesses, with no fatalities reported in any of those years. Readers comparing establishments should weigh the 2-year trend above alongside establishment size, since a larger workforce naturally accumulates more raw incidents even at a lower per-100-worker rate.
Verify This Employer with OSHA
All injury, illness, and fatality figures on this page are sourced from City of South San Francisco - Water Quality Control Plant's own mandatory OSHA Form 300A summaries. Cross-check the underlying establishment record directly against the federal source, name, NAICS classification, recordable case totals, and inspection history are all searchable on OSHA's Establishment-Specific Injury and Illness Data system.
Verify on OSHA Establishment SearchSource: U.S. Department of Labor, OSHA Establishment-Specific Injury and Illness Data. NAICS 221310 - Water treatment plants.
DART Rate, Transparent Calculation (2024)
DART (Days Away, Restricted, or Transferred) is computed by OSHA as incidents × 200,000 ÷ hours worked. The 200,000-hour denominator equals roughly 100 full-time workers, which lets establishments of very different sizes be compared directly.
4 DART incidents × 200,000 ÷ 60,760 hours worked = 13.17 DART
Methodology: 29 CFR 1904, OSHA Form 300A recordkeeping
Cross-Validating Context, Establishment vs Industry vs State
| Benchmark | TCR | Source |
|---|---|---|
| City of South San Francisco - Water Quality Control Plant (this establishment) | 9.71 | OSHA ITA Form 300A, 2-year avg |
| Water supply systems industry avg | 1.20 | BLS IIF, NAICS 221310 |
| California state avg (all industries) | 5.64 | OSHA ITA, state-level rollup |
Industry benchmarks: Bureau of Labor Statistics, Injuries, Illnesses, and Fatalities (IIF) program
Reportable Incident Timeline
Year-by-year reportable incidents (recordable injuries + illnesses + fatalities) submitted by City of South San Francisco - Water Quality Control Plant to OSHA's Injury Tracking Application. Each row anchors to OSHA's inspection records search where you can pull the underlying inspection case numbers and citations for that establishment-year.
- 2024: 5 reportable incidents · 4 injuries, 1 illnesses, 0 fatalities - OSHA inspection records (case numbers)
- 2023: 1 reportable incidents · 1 injuries, 0 illnesses, 0 fatalities - OSHA inspection records (case numbers)
Source: OSHA Inspection Information System (IMIS) - inspection case-number records
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 |
What this grade means for you
Use this grade as a relative read on City of South San Francisco - Water Quality Control Plant's reported OSHA injury record versus its Water treatment plants peers, not a verdict on whether any single site is safe today.
- At 809% of the Water treatment plants benchmark, City of South San Francisco - Water Quality Control Plant reports more injuries than typical peers, ask specifically how the employer is reducing them. Know your rights
- Judge this record against the wider Water treatment plants sector, where injury rates vary widely, before comparing it in isolation. See the industry
- Grades reflect 2016–2024 filings; check the latest establishment record straight from OSHA, or look up a different employer. Look up another
Safety grades reflect employers' self-reported OSHA Form 300A filings from 2016 to 2024 and can lag current conditions. A grade is not a guarantee that any specific workplace is safe or unsafe today. See our methodology and disclaimer.
Frequently Asked Questions
What is City of South San Francisco - Water Quality Control Plant's safety grade?
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Read our methodology - how this data is sourced, computed, and verified.
Related
Every figure and grade on PlainSafetyScore is computed directly from OSHA's published Injury Tracking Application data and BLS industry benchmarks, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these safety grades, or report a data error. Data current as of 2016-2024 OSHA ITA release.