Prisons · California

Sierra Conservation Center

Jamestown, CA · ~1,110 workers · 4 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
14.2
Avg TCR
3.2
Industry avg
1
Fatality
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The verdict

Sierra Conservation Center runs at 443% of its industry's injury rate - far more dangerous than the typical Prisons workplace, earning a grade F.

Sierra Conservation Center: 14.2 TCR = 443% of Prisons BLS 3.2 · 4y Form 300A (see methodology below)

Sierra Conservation Center safety composite

Sierra Conservation Center scores strongest on dart rate (safer than 43% of same-industry peers) and weakest on fatalities (safer than 5%), 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).

F

22/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 14.18 per 100 workers

Safer than 14% of industry peers

DART rate
D 3.75 per 100 workers

Safer than 43% of industry peers

Fatalities
F 1

Safer than 5% 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

Sierra Conservation Center: 0.8 → 17.3 TCR

Peak year 2022 @ 30.2 TCR · DART/TCR 0.26× in 2023

Sierra Conservation Center's TCR rose 16.5 from 0.8 in 2017 to 17.3 in 2023. Peak filing year was 2022 at 30.2 TCR. In 2023, DART was 0.26× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 922140 · Jamestown, CA ABOVE-IND · LARGE

Grade F · TCR 14.2 · 443% of ind

  • DART 3.8 DART
  • RANK #43/73
  • PHOTO Juvenile Detention C…
  • BOOK 4y book
  • INJ 444 inj
  • SIZE ~1,110 FTE

Nearest TCR peer: Juvenile Detention Center (CON-0111) (0.0 TCR gap)

Read with this employer → · Industry book → · California employers → · Look up another →

Sierra Conservation Center in the TCR neighbourhood

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

TCR

What this shows Sierra Conservation Center averages 14.2 TCR (443% of the Prisons BLS benchmark).

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

Sierra Conservation Center TCR series: 2017=0.8 · 2018=8.4 · 2022=30.2 · 2023=17.3 · BLS 3.2

Where Sierra Conservation Center falls in its industry

482 Prisons establishments

Safer than 14% of graded establishments in this industry, whose median TCR is 5.8.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #43 safest of 73 Prisons employers in California.

Sierra Conservation Center (1,110 employees, TCR 14.2) among 29 same-industry peers, split at the industry median of 240 employees and a TCR of 5.8 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 05001,0001,500 010203040 Average employees Total Case Rate Sierra Conservation Center
Sierra Conservation Center (1,110 employees, TCR 14.2) among 29 same-industry peers, split at the industry median of 240 employees and a TCR of 5.8

Sierra Conservation Center has more employees than the Prisons median and a higher injury rate than the industry's median TCR of 5.8. 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
2023 17.3 3.8 150 34 0
2022 30.2 7.9 123 194 0
2018 8.4 2.6 82 0 1
2017 0.8 0.4 89 1 0

OSHA ITA peer cross-reference

Establishment peer ledger

922140 · CA · Jamestown

482 Prisons employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 5 employers in Jamestown, 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 Juvenile Detention Center (CON-0111) 14.2 TCR
NAICS-TCR Probation JJC 14.2 TCR
NAICS-TCR DCYF Green Hill 14.2 TCR
NAICS-TCR COH Water Treatment Plant 14.3 TCR
STATE-SIZE Water Enterprise 1,110 FTE
STATE-SIZE AMZL : DSF4 1,110 FTE
STATE-SIZE 918 S Del Norte, Kerman Ca 93630 1,109 FTE
STATE-SIZE Amazon.com Services LLC - SBD2 1,111 FTE
CITY-NEAR California Department of Transportation Facility 338 779 FTE
CITY-NEAR Chicken Ranch Casino 288 FTE
CITY-NEAR Pacific Ultrapower Chinese Station 42 FTE
CITY-NEAR Moyle Paving Inc 22 FTE
NAT-TCR St George Healthcare Center 14.2 TCR
NAT-TCR Frankfort Fire Protection District 14.2 TCR
NAT-TCR Spee Dee Delivery Service, Inc - Des Moines 14.2 TCR
NAT-TCR Les Schwab-Production Center 14.2 TCR
NAT-SIZE Blue Origin HSV MC, LLC 1,110 FTE
NAT-SIZE Hirschbach Motor Lines, Inc 1,110 FTE
NAT-SIZE Amazon.com Services LLC - IGQ2 1,110 FTE
NAT-SIZE US3 - Spartanburg Plant 1,110 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: 2023, 2022, 2018, 2017. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.