Environmental remediation services · California

Tetra Tech EC, Inc.

San Diego, CA · ~307 workers · 4 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
0.9
Avg TCR
2.6
Industry avg
0
Fatalities
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The verdict

Tetra Tech EC, Inc. runs at 36% of its industry's injury rate - far safer than the typical Environmental remediation services workplace, earning a grade A.

Tetra Tech EC, Inc.: 0.9 TCR = 36% of Environmental remediation services BLS 2.6 · 4y Form 300A (see methodology below)

Tetra Tech EC, Inc. safety composite

Tetra Tech EC, Inc. scores strongest on total case rate (tcr) (safer than 74% of same-industry peers) and weakest on dart rate (safer than 35%), 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

54/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
C 0.93 per 100 workers

Safer than 74% of industry peers

DART rate
D 0.74 per 100 workers

Safer than 35% 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%).

Rising injury rate

Tetra Tech EC, Inc.: 0.5 → 1.1 TCR

Peak year 2023 @ 1.4 TCR · DART/TCR 0.8× in 2024

Tetra Tech EC, Inc.'s TCR rose 0.6 from 0.5 in 2018 to 1.1 in 2024. Peak filing year was 2023 at 1.4 TCR. In 2024, DART was 0.8× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 562910 · San Diego, CA AT/BELOW-IND · MID

Grade A · TCR 0.9 · 36% of ind

  • DART 0.7 DART
  • RANK #14/68
  • PHOTO Marion Environmental…
  • BOOK 4y book
  • INJ 10 inj
  • SIZE ~307 FTE

Nearest TCR peer: Marion Environmental, Inc. (0.0 TCR gap)

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

Tetra Tech EC, Inc. in the TCR neighbourhood

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

TCR

What this shows Tetra Tech EC, Inc. averages 0.9 TCR (36% of the Environmental remediation services BLS benchmark).

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

Tetra Tech EC, Inc. TCR series: 2018=0.5 · 2022=0.7 · 2023=1.4 · 2024=1.1 · BLS 2.6

Where Tetra Tech EC, Inc. falls in its industry

672 Environmental remediation serv establishments

Safer than 74% of graded establishments in this industry, whose median TCR is 1.8.

More dangerous than peersSafer than peers

Narrower to California alone (the establishments it most directly competes with for workers and contracts): ranked #14 safest of 68 Environmental remediation serv employers in California.

Tetra Tech EC, Inc. (307 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 50 employees and a TCR of 1.8 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 02004006008001,000 05101520 Average employees Total Case Rate Tetra Tech EC, Inc.
Tetra Tech EC, Inc. (307 employees, TCR 0.9) among 29 same-industry peers, split at the industry median of 50 employees and a TCR of 1.8

Tetra Tech EC, Inc. has more employees than the Environmental remediation services median and a lower injury rate than the industry's median TCR of 1.8. 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
2024 1.1 0.7 2 1 0
2023 1.4 0.7 4 0 0
2022 0.7 0.7 2 0 0
2018 0.5 0.5 2 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

562910 · CA · San Diego

672 Environmental remediation services employers nationwide with a credible TCR · 51,834 rated employers in California with headcount on file · 1,979 employers in San Diego, 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 Marion Environmental, Inc. 0.9 TCR
NAICS-TCR KEN'S MARINE SERVICE, INC. 0.9 TCR
NAICS-TCR Insulation Services, Inc 0.9 TCR
NAICS-TCR US Ecology Boston 0.9 TCR
STATE-SIZE Joint Water Pollution Control Plant 307 FTE
STATE-SIZE New Evolution Construction, Inc 307 FTE
STATE-SIZE SunPower Corp. - SPSV San Jose B 51 307 FTE
STATE-SIZE BT Los Angeles (Cypress) 307 FTE
CITY-NEAR UC San Diego Health 9,310 FTE
CITY-NEAR General Atomics 8,108 FTE
CITY-NEAR Health Human Services Agency 6,080 FTE
CITY-NEAR National University 4,955 FTE
NAT-TCR Dayton, TN - 1569 Broadway 0.9 TCR
NAT-TCR Behrends Feed & Fertilizer- Fredericksburg 0.9 TCR
NAT-TCR Precision Concepts - Lawrenceburg 0.9 TCR
NAT-TCR The Holbrook Company Inc 0.9 TCR
NAT-SIZE Empire Comfort Systems 307 FTE
NAT-SIZE Westinghouse Electric Company 307 FTE
NAT-SIZE American Red Cross - 2825 Emerywood 307 FTE
NAT-SIZE Spencer Construction 307 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, 2018. 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.