Establishment profile
TETRA TECH INC
17885 VON KARMAN AVE., SUITE 500, IRVINE, CA, 92614
Operated by TETRA TECH INC · 1 of 56 establishments
541330 — Engineering Services
EIN 953983702
Summary
TETRA TECH INC has accumulated 0 OSHA violations across 1 inspection over 10 years of recorded history.
The most recent federal enforcement activity was recorded 10 years ago.
Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
TETRA TECH INC appears in OSHA workplace safety and NLRB labor relations records only. No matching records were found in WHD wage enforcement, MSHA mine safety, EPA environmental compliance, OFLC visa and labor certification, FMCSA motor carrier registration, SAM.gov federal debarment, CMS nursing home enforcement, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls.
OSHA workplace safety
Peer comparison
Fewer violations than most other employers in NAICS 5413 within CA. Peer group: 924 employers. This establishment has 0 OSHA violations; peer median is 1.
Safety self-report (OSHA 300A)
Recordable injury rates the employer filed with OSHA’s Injury Tracking Application. DART covers cases with days away, restricted, or transferred; TRIR is the total recordable case rate.
Reported for 151 average annual employees at this establishment.
Source: OSHA ITA Form 300A (employer self-reported). Rates are per 100 full-time equivalent workers. Establishments below the ~10-FTE threshold are not required to report.
Industry benchmark
BLS rates reflect industry-wide averages. Self-reported figures come from OSHA’s Injury Tracking Application; absence of self-reported data does not necessarily indicate non-compliance — many establishments fall below the ITA reporting threshold.
Inspection breakdown
Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.
OSHA severe injury reports
No severe injury reports (hospitalization, amputation, or loss of an eye) on file under 29 CFR 1904.39 for TETRA TECH INC. Verify directly with Occupational Safety and Health Administration →
Activity timeline
No federal enforcement activity has been recorded against this establishment in 10+ years. Most recent activity: 10 years ago. Data on this page is refreshed weekly.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for TETRA TECH INC. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
No MSHA mine safety violations on file for TETRA TECH INC. Verify directly with Mine Safety and Health Administration →
Labor relations (NLRB)
Company-level in CA — for TETRA TECH INC, not this location alone
National Labor Relations Board — unfair labor practice charges and union representation cases. The NLRB records cases at the company/regional level (no worksite address), so these are matched by company name and state and may span other TETRA TECH INC locations in the same state.
Visa & labor certification (OFLC)
No H-1B, H-2A, or H-2B labor condition applications on file for TETRA TECH INC. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for TETRA TECH INC. Verify directly with Environmental Protection Agency →
Federal criminal prosecution record
No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for TETRA TECH INC. Verify directly with UVA Corporate Prosecution Registry →
Federal contracts
This location
Consolidated across all USAspending recipient entities under this corporate parent — not attributable to this single location.
- Department of DefenseSANTA ANA RIVER MAINSTEM PROJECT (SARM) CONSTRUCTION MONITORING AND MISCELLANEOUS ENVIRONMENTAL: PRADO DAM AND VICINITY RIVERSIDE, ORANGE, & SAN BERNARDINO COUNTIES, CAcontract · Last action 2022-02-01$2,344,025
- Department of DefenseTAS::96 3135::TAS ARRA::YES::ARRA RECOVERYPROJECT#::099993::RP# ARRA - LEVEE SAFETY INSPECTIONS, SAN BERNARDINO AND RIVERSIDE COUNTIES IN CALIFORNIA THE CONTRACTOR SHALL PERFORM A LEVEE SAFETY PERIODIC INSPECTION (PI) ON THE LEVEE SYSTEMS. THE LEVEE SYSTEMS TO BE INSPECTED MAY CONSIST OF MULTIPLE SEGMENTS AND HAVE MULTIPLE SPONSORS PER SYSTEM. THE PURPOSE OF PIS IS TO VERIFY PROPER OPERATION AND MAINTENANCE, EVALUATE OPERATIONAL ADEQUACY AND STRUCTURAL STABILITY, REVIEW DESIGN CRITERIA TO IDENTIFY CHANGES IN CURRENT DESIGN STANDARDS, IDENTIFY FEATURES TO MONITOR OVER TIME, AND IMPROVE THE ABILITY TO COMMUNICATE THE OVERALL CONDITIONcontract · Last action 2011-09-28$2,135,785
- Department of DefenseIGF::OT::IGF LEVEE PERIODIC INSPECTIONS FOR LOS ANGELES AND ORANGE COUNTYcontract · Last action 2017-07-07$1,852,706
- Department of DefenseIGF::OT::IGF FINAL DESIGN MATERIAL FOR THE CONSTRUCTION OF THE MAINSTEM CHANNEL IMPROVEMENTS PORTION OF THE RIO DE FLAG FLOOD CONTROL PROJECT, COCONINO COUNTY, ARIZONAcontract · Last action 2025-12-19$1,650,000
- Department of DefenseOBTAIN INFORMATION ON: TIDAL HYDROLOGY, TIDE ELEVATIONS, TIDAL SEDIMENTATION, MARSH VEGETATION ESTABLISHMENT, AND PRESENCE AND ABUNDANCE OF FISH AND ENDANGERED SPECIES IN ACCORDANCE WITH THE APPROVED MONITORING PLAN FOR THE PROJECT. INFORMATION COLLECTED UNDER THIS CONTRACT WILL BE PRESENTED ELECTRONICALLY AND IN AN ANNUAL MONITORING REPORT. THE MONITORING REPORT SHALL CHARACTERIZE THE RATE AND PATTERN OF: CHANNEL EROSION, SEDIMENT DEPOSITION AND CONSOLIDATION, AND ASSESS THE VALUE OF HABITAT AT THE SITE. THIS CONTRACT ALSO INCLUDES TASKS TO PROVIDE REGIONAL EXPERTS TO SIT ON THE TECHNICAL ADVISORY COMMITTEE (TAC) AND PRESENTATION OF MONITORING RESULTS TO THIS COMMITTEE TO RECEIVE INPUT ON SITE MANAGEMENT TOWARDS THE GOAL OF ACHIEVING THE PROJECT SUCCESS CRITERIA.contract · Last action 2021-09-24$1,557,737
- Department of DefenseFY25 LEVEE FORMAL INSPECTIONS W81EYN52612905contract · Last action 2025-09-26$1,522,262
- Department of DefenseISABELLA LAKE DSM ENVIRONMENTAL COMPLIANCE STUDIES, ISABELLA LAKE, KERNVILLE, CAcontract · Last action 2013-08-13$1,501,058
- Department of DefenseLOWER NORCO BLUFFS -GEOTECHcontract · Last action 2024-09-26$1,469,255
- Department of DefenseBRACKISH WATER TRANSMISSION PIPELINEcontract · Last action 2023-02-23$1,354,576
- Department of DefenseRIVERSIDE LEVEE 1 & 2 REHABILITATIONcontract · Last action 2025-12-22$1,341,629
- Department of DefenseINITIAL ELEGIBILITY INSPECTIONS (87) FLOOD CONTROL WORKS IN CALIFORNIA AND ARIZONAcontract · Last action 2011-06-03$1,340,813
- Department of DefenseHAMILTON WETLAND RESTORATION PROJECT 2021-2023 SITE MONITORING AND TECHNICAL ADVISORY COMMITTEE, USACE SAN FRANCISCO DISTRICTcontract · Last action 2025-10-10$1,320,884
- Department of DefenseBIO MONITORING ACTIVITIES FORT ORD, CAcontract · Last action 2014-04-15$1,273,531
- Department of DefenseREHABILITATION AND INSPECTION PROGRAMcontract · Last action 2016-06-06$1,121,447
- Department of DefenseTASK ORDER NO. W912PP20F0019 - POTABLE WATER WELL, LUKE AFBcontract · Last action 2022-01-28$1,074,057
- Department of DefenseALCOA ALUMINUM PLANT DIKE PH2contract · Last action 2024-06-14$1,055,132
- Department of DefenseBERRYESSA CREEK - COMPLETE GRR, SANTA CLARA COUNTY, CALIFORNIAcontract · Last action 2015-06-16$918,058
- Department of DefenseLSAR REACH 9 PHASE IIIcontract · Last action 2016-03-14$917,259
- Department of DefenseESTCP PROJECT ER24-8966 "THERMAL PLASMA ARC TREATMENT TECHNOLOGY (FRGTM) FOR DESTRUCTION OF AQUEOUS FILM FORMING FOAM" TO DEMONSTRATE GREATER THAN 99.999% DESTRUCTION AND REMOVAL OF PFAS IN AFFF USING THERMAL PLASMA ARC FREE RADICAL GASIFICATION TECHcontract · Last action 2025-04-08$815,310
- Department of DefenseTAS::96 3136::TAS RECOVERYPROJECT#::088890::RP# REGULATORY - REGULATORY - STUDIES, SIX COUNTIES AQUATIC RESOURCES INVENTORY, SACRAMENTO, PLACER, YOLO, EL DORADO, YUBA AND SUTTER COUNTIES, CALIFORNIAcontract · Last action 2010-09-16$809,765
- Department of DefenseNON-FED DESIGN/P&S/QA - DESIGN MATERIAL AND FINAL PLANS AND SPECIFICATIONS PHASE 2 FOR LOWER MISSION CREEK, SANTA MARIA, CAcontract · Last action 2011-05-12$764,888
- Department of DefenseRIO DE FLAG FINAL DESIGN - SUPPLEMENTALcontract · Last action 2025-09-29$750,000
- Department of DefenseFCCE RIVERSIDE LEVEE/GEOTECHcontract · Last action 2022-02-07$746,932
- Department of DefenseRESTORATION COMPONENT FOR TRES RIOScontract · Last action 2015-05-19$721,512
- Department of DefenseIGF::CL::IGF ALISO CREEK ECOSYSTEM RESTORATIONcontract · Last action 2019-01-23$699,249
- Department of DefenseIGF::OT::IGF RIO DE FLAG FLOOD CONTROL PROJECT, MAINSTEM FINAL DESIGN, COCONINO COUNTY, FLAGSTAFF, AZ.contract · Last action 2015-11-10$698,900
- Department of DefenseFY20 LEVEE PIScontract · Last action 2022-06-29$674,602
- Department of DefenseLA RIVER FEASIBILITY STUDY, LOS ANGELES, CAcontract · Last action 2015-01-21$622,150
- Department of DefenseIGF::OT::IGF LABORATORY AND SAMPLING SERVICES FOR THE REDWOOD CITY HARBORcontract · Last action 2019-05-24$608,136
- Department of DefenseIGF::OT::IGF TUCSON DRAINAGE AREA PROJECTcontract · Last action 2025-09-19$607,961
- Department of DefenseNORCO BLUFFS, AS PER THE ATTACHED SOWcontract · Last action 2020-02-06$579,061
- Department of DefenseTUCSON DRAINAGE AREA PROJECTcontract · Last action 2013-12-12$559,755
- Department of DefenseUSEPA IRON KING FS SUPER FUND SITE SUPPORTcontract · Last action 2025-09-08$534,880
- Department of DefenseIGF::OT::IGF CONDUCT INITIAL ELIGIBILITY INSPECTION (IEI) ASSESSMENTS, AND PREPARE AN INITIAL ASSESSMENT REPORT FOR EACH FLOOD DAMAGE REDUCTION (FDR) PROJECT.contract · Last action 2016-09-29$513,696
- Department of DefenseMRG ASSESSMENT AND MONITORING FOR SPAcontract · Last action 2020-02-27$499,932
- Department of DefenseCALIFORNIA FUNDING LEVEE INSPECTIONScontract · Last action 2019-05-30$496,311
- Department of DefenseFY19 CEI CONTRACT 140 REPORTScontract · Last action 2020-05-18$483,978
- Department of DefenseIGF::OT::IGF INITIAL ELIGIBILITY INSPECTION (IEI)contract · Last action 2017-04-26$481,984
- Department of DefenseSAN RAFAEL LAB SUPPORTcontract · Last action 2021-08-12$481,322
- Department of DefenseALMADEN AF CACHMENT BASINcontract · Last action 2010-05-19$472,875
- Department of DefenseFDA PARKING LOT FACILITYcontract · Last action 2020-01-13$398,805
- Department of DefenseIGF::OT::IGF THE FLOOD RISK MANAGEMENT (FRM) STUDY FOR LOWER SANTA CRUZ RIVER, AZcontract · Last action 2021-09-30$386,303
- Department of DefenseIGF::OT::IGF A-E SERVICE FOR DESIGN OF A BLUFF PROTECTION WALL AT PISMO BEACHcontract · Last action 2017-04-20$379,940
- Department of DefenseRIO DE FLAG FLOOD CONTROL PROJECTcontract · Last action 2011-09-28$368,274
- Department of DefenseKING HARBOR&MORRO BAY BREAKWATER COMPREHENSIVE CONDITION SURVEYS AND REPORTS IGF::OT::IGFcontract · Last action 2016-09-24$365,345
- Department of DefenseCONTINUING ELIGIBILITY INSPECTIONS (CEI) AND COMPLETE INDIVIDUAL CEI REPORTS FOR ONE-HUNDRED (100) NON-FEDERALLY OWNED AND OPERATED FLOOD CONTROL WORKS (FCW), USACE, LOS ANGELEScontract · Last action 2020-09-10$353,966
- Department of DefenseFDA FAC PRKG LOT MODScontract · Last action 2022-07-12$352,534
- Department of DefenseIGF::OT::IGF INITIAL ELIGIBILITY INSPECTIONS 30 FCWScontract · Last action 2017-05-18$349,342
- Department of DefenseIGF::OT::IGF FY18 CONSTRUCT POTABLE WATER WELL, LUKEcontract · Last action 2018-10-15$347,524
- Department of AgricultureSALLISAW CREEK SITES 28, 29, 30 - REHABILITATION PLANcontract · Last action 2010-08-12$343,230
Federal contract dollars to this establishment. Primary NAICS: 541330 - ENGINEERING SERVICES. Last action: 2025-12-22. Source: USAspending.gov, net obligations. Recipient address is the SAM registration / HQ address, not necessarily the worksite.
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2016-03-11 | Planned | 0 | — | $0 |
Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.
In the news
Part of a larger organization
TETRA TECH INC is one of 56 establishments rolled up under the parent organization TETRA TECH INC.
Federal enforcement records on this page represent activity at this specific establishment only. The full enforcement footprint of TETRA TECH INC across all 56 of its tracked locations is viewable on the parent profile.
Other employers in this industry and state
Other employers in engineering services within CA, ordered by federal enforcement volume:
- REBAR ENGINEERING INCSANTA FE SPRINGS — 3 federal enforcement records
- KIEWIT PACIFICCONCORD — 3 federal enforcement records
- SUKUT CONSTRUCTION, INC.FONTANA — 2 federal enforcement records
- TETRA TECH INCREDDING — 2 federal enforcement records
- ABLE ENGINEERING SERVICESBROOKS — 2 federal enforcement records
- KLEINFELDER INCSAN DIEGO — 2 federal enforcement records
- ABLE ENGINEERING SERVICESSAN FRANCISCO — 2 federal enforcement records
- LENTHOR ENGINEERINGMILPITAS — 2 federal enforcement records
- DON CHAPIN COMPANY, INC.HOLLISTER — 2 federal enforcement records
- JT-3 LLCEDWARDS AFB — 2 federal enforcement records
Other locations under this parent
Other establishments operated by TETRA TECH INC, ordered by federal enforcement volume:
- ARDAMAN & ASSOCIATES, INC.QUINCY, FL — 2 federal enforcement records
- TETRA TECH INC.ALTADENA, CA — 2 federal enforcement records
- Tetra TechPASADENA, CA — 2 federal enforcement records
- TETRA TECH INCREDDING, CA — 2 federal enforcement records
- TETRA TECH, INC.SANTA ROSA, CA — 2 federal enforcement records
- Tetra TechSan Diego, CA — 2 federal enforcement records
- TETRA TECH INCSAN BERNARDINO, CA — 2 federal enforcement records
- Tetra TechLos Alamos, NM — 2 federal enforcement records
- TETRA TECH INCOROVILLE, CA — 1 federal enforcement record
- TETRA TECH EC INCGHENT, KY — 1 federal enforcement record
Related searches
- All TETRA TECH INC locationsParent rollup
- Engineering ServicesAll employers in this industry
- Employers in CAState-wide enforcement data
- Engineering Services in CAIndustry × state cross-filter
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Contact sales →About this data
This profile aggregates federal enforcement records on TETRA TECH INC from every major federal compliance and enforcement source plus the UVA Corporate Prosecution Registry. OSHA workplace safety inspections, WHD wage cases, MSHA mine safety, EPA environmental enforcement, NLRB labor relations, OFLC visa/labor certification, FMCSA motor carrier registration, SAM.gov debarments, CMS nursing-home records, BLS industry safety benchmarks, OSHA ITA self-reported injury rates, SEC enforcement and financial disclosures, CPSC and NHTSA recalls.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. This establishment resolves to the parent rollup TETRA TECH INC, which operates 56 establishments in our dataset.
OSHA citations typically appear 3–8 months after the inspection, so very recent enforcement actions may not yet be reflected. Profiles may be incomplete if the establishment operates under multiple legal names or files under variations our entity-matching rules don’t yet cover. To report a missing record or correction, email corrections@fastdol.com.
Frequently asked
- What is TETRA TECH INC's OSHA violation history?
- TETRA TECH INC has 1 OSHA inspection on record with 0 violations and $0 in total penalties.
- How does TETRA TECH INC's safety record compare to its industry?
- TETRA TECH INC operates in the engineering services industry. The industry average Total Recordable Incident Rate (TRIR) is 0.5. TETRA TECH INC's self-reported DART rate is 0.69 compared to an industry average of 0.2.