Natural Gas Distribution Srv. · California

San Dimas - 15

San Dimas, CA · ~373 workers · 2 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
3.6
Avg TCR
1.2
Industry avg
0
Fatalities
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The verdict

San Dimas - 15 runs at 303% of its industry's injury rate - far more dangerous than the typical Natural Gas Distribution Srv. workplace, earning a grade F.

San Dimas - 15: 3.6 TCR = 303% of Natural Gas Distribution Srv. BLS 1.2 · 2y Form 300A (see methodology below)

San Dimas - 15 safety composite

San Dimas - 15 scores strongest on fatalities (safer than 50% of same-industry peers) and weakest on total case rate (tcr) (safer than 34%), 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

43/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 3.64 per 100 workers

Safer than 34% of industry peers

DART rate
D 1.17 per 100 workers

Safer than 48% of industry peers

Fatalities
D 0

Safer than 50% 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%).

San Dimas - 15 held a steady TCR band

San Dimas - 15's TCR held near 0.3 from 3.8 in 2017 to 3.5 in 2018. Peak filing year was 2017 at 3.8 TCR. In 2018, DART was 0.32× this establishment's average TCR (severity share of cases).

2017=3.8 · 2018=3.5

OSHA ITA Form 300A scorecard

Establishment book 221210 · San Dimas, CA ABOVE-IND · MID

Grade F · TCR 3.6 · 303% of ind

  • DART 1.2 DART
  • RANK #54/125
  • PHOTO CenterPoint Energy -…
  • BOOK 2y book
  • INJ 6 inj
  • SIZE ~373 FTE

Nearest TCR peer: CenterPoint Energy - South District Houston (0.0 TCR gap)

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

San Dimas - 15 in the TCR neighbourhood

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

TCR

What this shows San Dimas - 15 averages 3.6 TCR (303% of the Natural Gas Distribution Srv. BLS benchmark).

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

San Dimas - 15 TCR series: 2017=3.8 · 2018=3.5 · BLS 1.2

Where San Dimas - 15 falls in its industry

1,153 Natural Gas Distribution Srv. establishments

Safer than 34% of graded establishments in this industry, whose median TCR is 2.6.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #54 safest of 125 Natural Gas Distribution Srv. employers in California.

San Dimas - 15 (373 employees, TCR 3.6) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 2.6 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 0200400600800 05101520 Average employees Total Case Rate San Dimas - 15
San Dimas - 15 (373 employees, TCR 3.6) among 29 same-industry peers, split at the industry median of 56 employees and a TCR of 2.6

San Dimas - 15 has more employees than the Natural Gas Distribution Srv. median and a higher injury rate than the industry's median TCR of 2.6. 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
2018 3.5 1.2 4 5 0
2017 3.8 1.5 2 8 0

OSHA ITA peer cross-reference

Establishment peer ledger

221210 · CA · San Dimas

1,153 Natural Gas Distribution Srv. employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 73 employers in San Dimas, 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 CenterPoint Energy - South District Houston 3.6 TCR
NAICS-TCR 259-NiSource-Springfield OH 3.6 TCR
NAICS-TCR UGI Middletown 3.6 TCR
NAICS-TCR Charlotte Resource Center PNG 3.6 TCR
STATE-SIZE Orange County 373 FTE
STATE-SIZE Escalon Premier Brands 373 FTE
STATE-SIZE Public Works Agency 373 FTE
STATE-SIZE Salinas - 04 373 FTE
CITY-NEAR ROCKWELL DRYWALL, INC. 1,302 FTE
CITY-NEAR LOCATION 15008 796 FTE
CITY-NEAR Gilead Sciences, Inc. 686 FTE
CITY-NEAR Raging Waters Los Angeles 473 FTE
NAT-TCR Don's Automotive Mall, Inc. 3.6 TCR
NAT-TCR Livonia Hub (Miliv) 3.6 TCR
NAT-TCR Kaman Aerosystems Blm. 3.6 TCR
NAT-TCR Urban Strategies - Memphis Hope 3.6 TCR
NAT-SIZE Miami South (Flmis) 373 FTE
NAT-SIZE DTW - Airport United Airlines Offices 373 FTE
NAT-SIZE Oshkosh (Wiosh) 373 FTE
NAT-SIZE Ohl USA, Inc. -Texas Location 373 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: 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.