Water treatment and distribution · California
Diamond Valley Lake
Hemet, CA · ~40 workers · 8 years of OSHA Injury Tracking Application data.
- F
- Failing Safety Record
- 5.7
- Avg TCR
- 1.2
- Industry avg
- 0
- Fatalities
The verdict
Diamond Valley Lake runs at 472% of its industry's injury rate - far more dangerous than the typical Water treatment and distribution workplace, earning a grade F.
Diamond Valley Lake: 5.7 TCR = 472% of Water treatment and distribution BLS 1.2 · 8y Form 300A (see methodology below)
Diamond Valley Lake safety composite
Diamond Valley Lake scores strongest on fatalities (safer than 51% of same-industry peers) and weakest on dart rate (safer than 17%), 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).
33/100
Percentile-weighted across 3 of 3 measures
- Total Case Rate (TCR)
- D 5.66 per 100 workers
Safer than 36% of industry peers
- DART rate
- F 5.76 per 100 workers
Safer than 17% 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
−5.5
2017→2024
Diamond Valley Lake injury rate improved
Diamond Valley Lake's TCR fell 5.5 from 11.3 in 2017 to 5.8 in 2024. Peak filing year was 2021 at 13.5 TCR. In 2024, DART was 1.02× this establishment's average TCR (severity share of cases).
2017=11.3 · 2018=6.0 · 2019=0.0 · 2020=5.9 · 2021=13.5 · 2022=0.0 · 2023=2.9 · 2024=5.8
OSHA ITA Form 300A scorecard
Establishment book 221310 · Hemet, CA ABOVE-IND · SMALL
Grade F · TCR 5.7 · 472% of ind
- DART 5.8 DART
- RANK #109/176
- PHOTO Central California I…
- BOOK 8y book
- INJ 14 inj
- SIZE ~40 FTE
Nearest TCR peer: Central California Irigation District (0.0 TCR gap)
Read with this employer → · Industry book → · California employers → · Look up another →
Diamond Valley Lake in the TCR neighbourhood
Average Total Case Rate among this establishment and nearest same-industry peers
- This site
Diamond Valley Lake
5.7 TCR
- Central Califo
Central California Irigation District
5.7 TCR
- Operations_Bro
Operations_Brookside_Equipment Services
5.7 TCR
- San Dieguito W
San Dieguito Water District
5.7 TCR
- Jurupa Communi
Jurupa Community Services District
5.6 TCR
What this shows Diamond Valley Lake averages 5.7 TCR (472% of the Water treatment and distribution BLS benchmark).
Diamond Valley Lake TCR series: 2017=11.3 · 2018=6 · 2019=0 · 2020=5.9 · 2021=13.5 · 2022=0 · 2023=2.9 · 2024=5.8 · BLS 1.2
Where Diamond Valley Lake falls in its industry
727 Water treatment and distributi establishmentsSafer than 36% 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 #109 safest of 176 Water treatment and distributi employers in California.
Diamond Valley Lake has fewer 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 | 5.8 | 5.8 | 2 | 0 | 0 |
| 2023 | 2.9 | 2.9 | 1 | 0 | 0 |
| 2022 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2021 | 13.5 | 10.8 | 5 | 0 | 0 |
| 2020 | 5.9 | 2.9 | 2 | 0 | 0 |
| 2019 | 0.0 | 0.0 | 0 | 0 | 0 |
| 2018 | 6.0 | 3.0 | 1 | 1 | 0 |
| 2017 | 11.3 | 5.6 | 3 | 1 | 0 |
OSHA ITA peer cross-reference
Establishment peer ledger
221310 · CA · Hemet
727 Water treatment and distribution employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 72 employers in Hemet, 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 | Central California Irigation District | 5.7 TCR |
| NAICS-TCR | Operations_Brookside_Equipment Services | 5.7 TCR |
| NAICS-TCR | Jurupa Community Services District | 5.6 TCR |
| NAICS-TCR | San Dieguito Water District | 5.7 TCR |
| STATE-SIZE | Stackhouse Brothers | 40 FTE |
| STATE-SIZE | PISTACHIO HARVESTING, INC. | 40 FTE |
| STATE-SIZE | Watsonville/San Juan Bautista | 40 FTE |
| STATE-SIZE | Gomez Growers | 40 FTE |
| CITY-NEAR | Ono-050 | 910 FTE |
| CITY-NEAR | Gosch Auto Group | 565 FTE |
| CITY-NEAR | WM 1853 | 452 FTE |
| CITY-NEAR | 1853 | 409 FTE |
| NAT-TCR | Oakbrook Terrace Fire Protection District | 5.7 TCR |
| NAT-TCR | Metro Transit Overhaul Base | 5.7 TCR |
| NAT-TCR | HM Clause - Immokalee Research Station | 5.7 TCR |
| NAT-TCR | Good Samaritan Society - Algona | 5.7 TCR |
| NAT-SIZE | NuTex Concepts | 40 FTE |
| NAT-SIZE | Real Stone and granite corp. | 40 FTE |
| NAT-SIZE | gentry machine works, inc | 40 FTE |
| NAT-SIZE | City of Albany Fire Station 11 and Administration | 40 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.