Water treatment and distribution · California
West Basin Municipal Water District
Carson, CA · ~56 workers · 4 years of OSHA Injury Tracking Application data.
- D
- Poor Safety Record
- 1.6
- Avg TCR
- 1.2
- Industry avg
- 0
- Fatalities
The verdict
West Basin Municipal Water District runs at 138% of its industry's injury rate - more dangerous than the typical Water treatment and distribution workplace, earning a grade D.
West Basin Municipal Water District: 1.6 TCR = 138% of Water treatment and distribution BLS 1.2 · 4y Form 300A (see methodology below)
West Basin Municipal Water District safety composite
West Basin Municipal Water District scores strongest on dart rate (safer than 83% of same-industry peers) and weakest on fatalities (safer than 51%), 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).
75/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- B 1.65 per 100 workers
Safer than 82% of industry peers
- DART rate
- B 0 per 100 workers
Safer than 83% 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
−6.6
2017→2024
West Basin Municipal Water District injury rate improved
West Basin Municipal Water District's TCR fell 6.6 from 6.6 in 2017 to 0.0 in 2024. Peak filing year was 2017 at 6.6 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).
2017=6.6 · 2020=0.0 · 2023=0.0 · 2024=0.0
OSHA ITA Form 300A scorecard
Establishment book 221310 · Carson, CA ABOVE-IND · SMALL
Grade D · TCR 1.6 · 138% of ind
- DART 0.0 DART
- RANK #19/176
- PHOTO DWM-Plumbing Inspect…
- BOOK 4y book
- INJ 2 inj
- SIZE ~56 FTE
Nearest TCR peer: DWM-Plumbing Inspectors | 445 N. Sacramento (0.0 TCR gap)
Read with this employer → · Industry book → · California employers → · Look up another →
West Basin Municipal Water District in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- DWM-Plumbing I
DWM-Plumbing Inspectors | 445 N. Sacramento
1.7 TCR
- Central Arizon
Central Arizona Water Conservation District
1.7 TCR
- Illinois Ameri
Illinois American Water (Alton)
1.7 TCR
- This site
West Basin Municipal Water District
1.6 TCR
- ILAWC Alton
ILAWC Alton
1.6 TCR
What this shows West Basin Municipal Water District averages 1.6 TCR (138% of the Water treatment and distribution BLS benchmark).
West Basin Municipal Water District TCR series: 2017=6.6 · 2020=0 · 2023=0 · 2024=0 · BLS 1.2
Where West Basin Municipal Water District falls in its industry
727 Water treatment and distributi establishmentsSafer than 82% of graded establishments in this industry, whose median TCR is 4.2.
Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #19 safest of 176 Water treatment and distributi employers in California.
West Basin Municipal Water District 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 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2023 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2020 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2017 | 6.6 | 0.0 | 2 | 1 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
221310 · CA · Carson
727 Water treatment and distribution 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 | DWM-Plumbing Inspectors | 445 N. Sacramento | 1.7 TCR |
| NAICS-TCR | Central Arizona Water Conservation District | 1.7 TCR |
| NAICS-TCR | Illinois American Water (Alton) | 1.7 TCR |
| NAICS-TCR | ILAWC Alton | 1.6 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 | 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 | Marrs Electric LLC | 1.6 TCR |
| NAT-TCR | McDavid lumber mill | 1.6 TCR |
| NAT-TCR | Elk River | 1.6 TCR |
| NAT-TCR | Service Fabricators, LLC | 1.6 TCR |
| NAT-SIZE | Town of Portland - Fire Department | 56 FTE |
| NAT-SIZE | Wellesley | 56 FTE |
| NAT-SIZE | Schmidt Siding and Window, Inc | 56 FTE |
| NAT-SIZE | Ward Lumber Company | 56 FTE |
Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →
Read our methodology - how this data is sourced, computed, and verified.