Water treatment and distribution · California

Calleguas Municipal Water District

Thousand Oaks, CA · ~73 workers · 8 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
4.3
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

Calleguas Municipal Water District runs at 355% of its industry's injury rate - far more dangerous than the typical Water treatment and distribution workplace, earning a grade F.

Calleguas Municipal Water District: 4.3 TCR = 355% of Water treatment and distribution BLS 1.2 · 8y Form 300A (see methodology below)

Calleguas Municipal Water District safety composite

Calleguas Municipal Water District scores strongest on dart rate (safer than 59% of same-industry peers) and weakest on total case rate (tcr) (safer than 49%), 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).

D

53/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.26 per 100 workers

Safer than 49% of industry peers

DART rate
C 1.26 per 100 workers

Safer than 59% 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

Calleguas Municipal Water District: 4.3 → 6.3 TCR

Peak year 2019 @ 6.9 TCR · DART/TCR 0.3× in 2024

Calleguas Municipal Water District's TCR rose 2.0 from 4.3 in 2017 to 6.3 in 2024. Peak filing year was 2019 at 6.9 TCR. In 2024, DART was 0.3× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 221310 · Thousand Oaks, CA ABOVE-IND · SMALL

Grade F · TCR 4.3 · 355% of ind

  • DART 1.3 DART
  • RANK #76/176
  • PHOTO Alameda County Water…
  • BOOK 8y book
  • INJ 17 inj
  • SIZE ~73 FTE

Nearest TCR peer: Alameda County Water District (0.0 TCR gap)

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Calleguas Municipal Water District in the TCR neighbourhood

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

TCR

What this shows Calleguas Municipal Water District averages 4.3 TCR (355% of the Water treatment and distribution BLS benchmark).

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

Calleguas Municipal Water District TCR series: 2017=4.3 · 2018=5.8 · 2019=6.9 · 2020=4 · 2021=4.1 · 2022=0 · 2023=2.8 · 2024=6.3 · BLS 1.2

Where Calleguas Municipal Water District falls in its industry

727 Water treatment and distributi establishments

Safer than 49% 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 #76 safest of 176 Water treatment and distributi employers in California.

Calleguas Municipal Water District (73 employees, TCR 4.3) 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 Calleguas Municipal Water District
Calleguas Municipal Water District (73 employees, TCR 4.3) among 29 same-industry peers, split at the industry median of 53 employees and a TCR of 4.2

Calleguas Municipal Water District 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 6.3 1.3 1 4 0
2023 2.8 0.0 2 0 0
2022 0.0 0.0 0 0 0
2021 4.1 2.8 2 1 0
2020 4.0 4.0 3 0 0
2019 6.9 4.2 3 2 0
2018 5.8 5.8 3 1 0
2017 4.3 4.3 3 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

221310 · CA · Thousand Oaks

727 Water treatment and distribution employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 143 employers in Thousand Oaks, 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 Alameda County Water District 4.3 TCR
NAICS-TCR Us Pipe & Irrigation, LLC 4.2 TCR
NAICS-TCR Central Lake County Joint Action Water Agency 4.3 TCR
NAICS-TCR Westchester, NY 4.3 TCR
STATE-SIZE CONSTRUCTION ADMINISTRATION 73 FTE
STATE-SIZE New Columbia 73 FTE
STATE-SIZE Main Location 73 FTE
STATE-SIZE P-R Farms Inc/Palomate Inc 73 FTE
CITY-NEAR Amgen Inc. (Thousand Oaks, CA) 5,792 FTE
CITY-NEAR Amgen USA (Sales - Flex workers) 2,803 FTE
CITY-NEAR California Department of Transportation Facility 472 2,621 FTE
CITY-NEAR Los Robles Hospital and Medical Center 1,651 FTE
NAT-TCR Town Hall 4.3 TCR
NAT-TCR Walter E Smithe Furniture, Inc - Operations Center 4.3 TCR
NAT-TCR C2 Management 4.3 TCR
NAT-TCR Corsetti Structural Steel 4.3 TCR
NAT-SIZE Gayle Manufacturing Company - Caldwell, ID 73 FTE
NAT-SIZE Niagara Bottling, LLC - Dallas 2 73 FTE
NAT-SIZE John Paterson School 73 FTE
NAT-SIZE West Des Moines Marriott 73 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, 2022, 2021, 2020, 2019, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.