Water treatment and distribution · California
Lake Mathews Reservoir
Riverside, CA · ~76 workers · 8 years of OSHA Injury Tracking Application data.
- F
- Failing Safety Record
- 8.3
- Avg TCR
- 1.2
- Industry avg
- 0
- Fatalities
The verdict
Lake Mathews Reservoir runs at 688% of its industry's injury rate - far more dangerous than the typical Water treatment and distribution workplace, earning a grade F.
Lake Mathews Reservoir: 8.3 TCR = 688% of Water treatment and distribution BLS 1.2 · 8y Form 300A (see methodology below)
Lake Mathews Reservoir safety composite
Lake Mathews Reservoir scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on total case rate (tcr) (safer than 19%), 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).
34/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- F 8.25 per 100 workers
Safer than 19% of industry peers
- DART rate
- D 3.12 per 100 workers
Safer than 39% 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
−6.7
2017→2024
Lake Mathews Reservoir injury rate improved
Lake Mathews Reservoir's TCR fell 6.7 from 9.9 in 2017 to 3.1 in 2024. Peak filing year was 2019 at 17.3 TCR. In 2024, DART was 0.38× this establishment's average TCR (severity share of cases).
2017=9.9 · 2018=11.2 · 2019=17.3 · 2020=4.4 · 2021=10.6 · 2022=4.8 · 2023=4.7 · 2024=3.1
OSHA ITA Form 300A scorecard
Establishment book 221310 · Riverside, CA ABOVE-IND · SMALL
Grade F · TCR 8.3 · 688% of ind
- DART 3.1 DART
- RANK #143/176
- PHOTO Water Distribution
- BOOK 8y book
- INJ 42 inj
- SIZE ~76 FTE
Nearest TCR peer: Water Distribution (0.0 TCR gap)
Read with this employer → · Industry book → · California employers → · Look up another →
Lake Mathews Reservoir in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Lake Mathews Reservoir
8.3 TCR
- Water Distribu
Water Distribution
8.3 TCR
- Sargent Drilli
Sargent Drilling Co
8.3 TCR
- North City Pur
North City Pure Water Facility
8.2 TCR
- Pennichuck Wat
Pennichuck Water Works Inc - Distribution Department
8.2 TCR
What this shows Lake Mathews Reservoir averages 8.3 TCR (688% of the Water treatment and distribution BLS benchmark).
Lake Mathews Reservoir TCR series: 2017=9.9 · 2018=11.2 · 2019=17.3 · 2020=4.4 · 2021=10.6 · 2022=4.8 · 2023=4.7 · 2024=3.1 · BLS 1.2
Where Lake Mathews Reservoir falls in its industry
727 Water treatment and distributi establishmentsSafer than 19% 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 #143 safest of 176 Water treatment and distributi employers in California.
Lake Mathews Reservoir has more employees than the Water treatment and distribution 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 | 3.1 | 3.1 | 2 | 0 | 0 |
| 2023 | 4.7 | 1.6 | 3 | 0 | 0 |
| 2022 | 4.8 | 3.2 | 3 | 0 | 0 |
| 2021 | 10.6 | 9.1 | 7 | 0 | 0 |
| 2020 | 4.4 | 1.5 | 3 | 0 | 0 |
| 2019 | 17.3 | 10.6 | 10 | 3 | 0 |
| 2018 | 11.2 | 8.4 | 8 | 0 | 0 |
| 2017 | 9.9 | 8.5 | 6 | 1 | 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 | Water Distribution | 8.3 TCR |
| NAICS-TCR | Sargent Drilling Co | 8.3 TCR |
| NAICS-TCR | North City Pure Water Facility | 8.2 TCR |
| NAICS-TCR | Pennichuck Water Works Inc - Distribution Department | 8.2 TCR |
| STATE-SIZE | CAL-O ADMINISTRATION | 76 FTE |
| STATE-SIZE | 3181_6797 | 76 FTE |
| STATE-SIZE | J&J Labor,Inc. | 76 FTE |
| STATE-SIZE | Fujishige Farms, Inc. | 76 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 | Lincoln Middle School | 8.3 TCR |
| NAT-TCR | TPI Carolina | 8.3 TCR |
| NAT-TCR | Old Town Concrete Plant | 8.3 TCR |
| NAT-TCR | Bridgeport | 8.3 TCR |
| NAT-SIZE | Jos. H. Lowenstein & Sons, Inc. | 76 FTE |
| NAT-SIZE | Site Bulk Material Handling | 76 FTE |
| NAT-SIZE | Westlock Controls | 76 FTE |
| NAT-SIZE | Palos South Middle School | 76 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.