Questions or Comments: licenses@tceq.texas.gov
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Computer-Based Testing for Occupational Licenses

Take your license examination on a computer!

On this page:CBT flyer

NEWSpanish exams now available by computer-based test (CBT)(application/pdfSpanish translation instructions available)

  • Class D Water System Operator
    Operador de Sistema de Agua Potable Clase D
  • Class C Groundwater Operator
    Operador de Planta de Aguas Subterráneas Clase C
  • Class C Water Distribution
    Operador de Sistema de Distribución de Agua Clase C
  • Class C Surface Water Operator
    Operador de Planta de Aguas Superficiales Clase C 
  • Class D Wastewater Treatment Facility Operator
    Operador de Tratamiento de Aguas Residuales Clase D
  • Class C Wastewater Treatment Facility Operator
    Operador de Tratamiento de Aguas Residuales Clase C
  • Class I Wastewater Collection System Operator
    Operador de Sistema de Recolección de Aguas Residuales I
  • Class II Wastewater Collection System Operator
    Operador de Sistema de Recolección de Aguas Residuales II
  • Backflow Prevention Assembly Tester
    Examen para Probador de Dispositivos de Prevención de Reflujo
  • Customer Service Inspector
    Examen de Inspector de Servicio al Cliente
  • Landscape Irrigation Technician
    Técnico en Irrigación
  • On-Site Sewage Facilities Installer I
    Examen para la Instalacion de Sistemas Septicos
  • On-Site Sewage Facilities Maintenace Provider
    Examen para el Mantenimeinto de Sistemas Septicos

CBT license examinations offer:

      • The convenience of numerous CBT exam sites
      • Daily access and expanded hours to CBT exam sites
      • Immediate exam score with e-mail option
      • Immediate printed exam analysis feedback with e-mail option
      • License issued to applicants passing CBT exam within one week of exam date
      • One immediate retest on the same day offered at some exam sites.
      • User-friendly computer screens

Examinations available for CBT by Licensing Program

            • Backflow Prevention Assembly Tester (BPAT) - written portion
            • Customer Service Inspectors
            • Landscape Irrigation
              • Landscape Irrigation Inspector
              • Landscape Irrigation Technician 
            • Leaking Petroleum Storage Tank (LPST)
            • Municipal Solid Waste Facility Supervisors
              • Class A (4 hour time limit)
              • Class B (2 hour time limit)
            • On-site Sewage Facility (OSSF)
              • OSSF Maintenance Provider
              • OSSF Designated Representative
              • OSSF Installer I
              • OSSF Installer II
            • Underground Storage Tank (UST) On-Site Supervisor
              • UST A
              • UST B
            • Wastewater Treatment and Collection System Operators
              • Class I Wastewater Collection System Operator
              • Class II Wastewater Collection System Operator
              • Class III Wastewater Collection System Operator
              • Class A Wastewater Treatment Facility Operator (6 hour time limit)
              • Class B Wastewater Treatment Facility Operator
              • Class C Wastewater Treatment Facility Operator 
              • Class D Wastewater Treatment Facility Operator 
            • Water Treatment and Distribution System Operators
              • Class A Water Operator (6 hour time limit)
              • Class B Groundwater Operator
              • Class B Surface Water Operator
              • Class B Water Distribution
              • Class C Groundwater Operator 
              • Class C Surface Water Operator 
              • Class C Water Distribution 
              • Class D Water 
            • Water Treatment Specialists
              • Class III
              • Class II
              • Class I

NOTE: All exams have a 3 hour time limit unless otherwise noted. Not all CBT centers can accomodate more than 4-hour exams. Please confirm with the CBT center before scheduling.

Pre-approval of your licensing application is required. For pre-approval, applicants must:

Upon receiving an approval letter, the applicant will need to:

        • make an appointment with a registered Test Center to take the exam - additional testing fees established by each CBT center may apply.
        • some test centers do not offer fee refunds.

Retesting by CBT after failing a written test is allowed, so long as your application is in an approved status.

Registered Computer-Based Testing Centers

Contact each testing location to schedule a CBT exam.

Amarillo - Region 1

Test Center Location Contact Information
Amarillo College Student Service Center, 101
2201 South WashingtonExit the TCEQ
Amarillo, Texas 79109
Website: Amarillo Testing CenterExit the TCEQ
Email: testingservices@actx.edu
Phone: 806-371-5445

Lubbock - Region 2

Test Center Location Contact Information
South Plains College 1401 S. College AvenueExit the TCEQ
Levelland, TX 79336
Website: Continuing EducationExit the TCEQ
Email: jwarnick@southplainscollege.edu
Phone: 806-716-2547
South Plains College 3907 Avenue QExit the TCEQ
Lubbock, TX 79412
Website: Testing CenterExit the TCEQ
Email: jwarnick@southplainscollege.edu
Phone: 806-716-4604 (campus) or 806-716-4631 (Testing questions at Lubbock Center)

Abilene - Region 3

Test Center Location Contact Information
Vernon College - Wichita Falls Testing Center
Century City Center
Room 101
4105 Maplewood AvenueExit the TCEQ
Wichita Falls, TX 76308
Website: Vernon College Testing InformationExit the TCEQ
Email: itctesting@vernoncollege.edu
Phone: 940-689-3778
Vernon College - Vernon Testing Center
4400 College DriveExit the TCEQ
Vernon, TX 76384
Website: Vernon College Testing InformationExit the TCEQ
Email: itctesting@vernoncollege.edu
Phone: 940-552-6291 ext.2317
Midwestern State University
Hardin South
RM 224
3410 Taft BlvdExit the TCEQ
Wichita Falls, TX 76308
Website: MSU Testing CenterExit the TCEQ
Email: lynn.ducioame@mwsu.edu
Phone: 940-397-4676
Texas State Technical College - Abilene
650 E. Hwy 80Exit the TCEQ
Abilene, TX 79601

Website: Register at TSTC - Abilene
Exit the TCEQ
Email: susan.hash@tstc.edu
Phone: 325-734-3641

Texas State Technical College - Brownwood
305 Booker StreetExit the TCEQ
Brownwood, TX 76801

Website: Register at TSTC - Brownwood
Exit the TCEQ
Email: kim.carroll@tstc.edu
Phone: 325-641-5955

Texas State Technical College - Sweetwater
300 Homer K Taylor DriveExit the TCEQ
(Sears Building)
Sweetwater, TX 79556
Website: Register at TSTC - Sweetwater
Exit the TCEQ
Email: patricia.caprio@tstc.edu
Phone: 325-235-7441
Texas State Technical College - Breckenridge 307 N. Breckenridge AvenueExit the TCEQ
Breckenridge, TX 76424

Website: Register at TSTC - BreckenridgeExit the TCEQ
Email: lisa.langford@tstc.edu
Phone: 254-559-7731

Dallas/Ft. Worth - Region 4

Test Center Location Contact Information
Navarro College

Gooch One Stop Student Center
Room 103
3200 W 7th AvenueExit the TCEQ
Corsicana, TX 78110

Website: Navarro College
Exit the TCEQ
Email: corsicana.testing@navarrocollege.edu or Karen.Black@navarrocollege.edu
Phone: 903-875-7457
Grayson College - Denison Room DC-115
6101 Grayson DriveExit the TCEQ
Denison, TX 75020
Website: Grayson Main Campus Testing CenterExit the TCEQ
Email: testing@grayson.edu
Phone: 903-463-8724
Grayson College - Van Alstyne

1455 West Van Alstyne ParkwayExit the TCEQ
Van Alstyne, TX 75495

Website: Grayson Testing CenterExit the TCEQ
Email: khalafm@grayson.edu
Phone: 903-415-2509

Tarrant County College Northwest Campus WCTS-1148
4801 Marine Creek PkwyExit the TCEQ
Fort Worth, TX 76179
Website: TCC Testing CenterExit the TCEQ
Email: ProfessionalTesting@tccd.edu
Phone: 817-515-7653
Weatherford College Jack Knight Building
225 College Park DrExit the TCEQ
Weatherford, TX 76086
Website: Weatherford Testing CenterExit the TCEQ
Email: testing@wc.edu
Phone: 817-598-6383
Texas A&M University 2200 Campbell StreetExit the TCEQ
Commerce, TX 75428
Website: A&M Commerce Testing OfficeExit the TCEQ
Email: testingoffice@tamuc.edu
Phone: 903-886-5122
University of North Texas at Dallas

7300 University Hills Blvd.Exit the TCEQ
Student Center 2025
Dallas, TX 75241

Website: UNT Testing CenterExit the TCEQ
Email: testing@untdallas.edu
Phone: 972-338-1769

Tyler - Region 5

Test Center Location Contact Information
Texarkana College Palmer Memorial Library
2500 North Robison RdExit the TCEQ
Texarkana, TX 75599
Website: TC Testing CenterExit the TCEQ
Email: texarkanacollege.edu/forms/email/Exit the TCEQ
Phone: 903-823-3278
Northeast Texas Community College 2886 FM 1735Exit the TCEQ
Chapel Hill Road,
Mount Pleasant, TX 75455
Website: www.ntcc.edu
Email: testing@ntcc.edu
Phone: 903-434-8273 or 8272
Tyler Junior College - West Campus Regional Training and Development Complex, Room 151
1530 S. Southwest Loop 323Exit the TCEQ
Tyler, TX
Website: Tyler Junior College Testing CenterExit the TCEQ
Email: Mark.Smith@tjc.edu
Phone: 903-510-2993
Panola College 1109 W. Panola StreetExit the TCEQ
Carthage, TX, 75633
Website: Testing Services
Exit the TCEQ
Email: sgee@panola.edu
Phone: 903-693-2046
Texas State Technical College 2650 E. End Blvd SExit the TCEQ
Marshall, TX 75672

Website: TSTC Marshall TestingExit the TCEQ
Email: Danyelle.jackson@tstc.edu
Phone: 903-923-3227

El Paso - Region 6

Test Center Location Contact Information
Sul Ross State University Box C-171
Room UC211DExit the TCEQ

Alpine, TX 79832
Website: Sul Ross Testing CenterExit the TCEQ
Email: jrueb@sulross.edu
Phone: 432-837-8178
University of Texas - El Paso 2060 Hawthorne St.Exit the TCEQ
El Paso, TX 79902
Website: UT El Paso Testing CenterExit the TCEQ
Email: testing@utep.edu
Phone: 915-747-5009

Midland - Region 7

Test Center Location Contact Information
Odessa College 201 W. University Blvd.Exit the TCEQ
Odessa, TX 79764
Website: Odessa College Testing Center
Exit the TCEQ
Email: testingcenter@odessa.edu
Phone: 432-335-6620
University of Texas - Permian Basin Mesa Buliding #1160
4901 E. UniversityExit the TCEQ
Odessa, TX 79762
Website: UT Permian Basin Testing CenterExit the TCEQ
Email: daniels_a@utpb.edu or garza_a@utpb.edu or tsaad@utpb.edu
Phone: 432-552-2630

San Angelo - Region 8

Test Center Location Contact Information
Howard College

3501 N. US Highway 67Exit the TCEQ
San Angelo, TX 76905

Website: Howard College Testing CenterExit the TCEQ
Email: satesting@howardcollege.edu
Phone: 325-481-8300 Ext. 3405

Waco - Region 9

Test Center Location Contact Information
Texas A & M Engineering Extension Service TEEX Rellis Campus, Bldg 8000
3100 State Hwy 47Exit the TCEQ
Bryan, TX 77807
Website: TEEX Testing Center-BryanExit the TCEQ
Email: itsi@teex.tamu.edu
Phone: 800-723-3811
Central Texas College 6200 W CentralExit the TCEQ
Texas Expressway
Killeen, TX 76549
Website: Central Texas CollegeExit the TCEQ
Email: victor.gates@ctcd.edu
Phone: 254-526-1168
Texas State Technical College - Waco 3801 Campus DriveExit the TCEQ
Student Services Center
Waco, TX 76705
Website: Register at TSTC - WacoExit the TCEQ
Email: pamelia.hunter@tstc.edu
Phone: 254-867-2028
Texas A&M University - Central Texas (Killeen) 1001 Leadership PlaceExit the TCEQ
Killeen, TX 76549
Website: A&M Testing CenterExit the TCEQ
Email: proctor@tamuct.edu
Phone: 254-501-5830
Navarro College - Mexia 901 N. MLK Jr. HwyExit the TCEQ
Mexia, TX 76667
Website: Mexia Testing CenterExit the TCEQ
Email: karen.blackwell@navarrocollege.edu
Phone: 254-562-5210

Beaumont - Region 10

Test Center Location Contact Information
Lamar Institute of Technology 855 East Lavaca St.Exit the TCEQ
Eagle's Nest Building
Suite 115
Beaumont, TX 77705
Website: LIT Testing CenterExit the TCEQ
Email: testingcenter@lit.edu
Phone: 409-839-2027
Stephen F. Austin University Rusk Bldg, RM 328
2008 Alumni DriveExit the TCEQ
Nacogdoches, TX 75962
Website: SFA Testing CenterExit the TCEQ
Email: sfatesting@sfasu.edu
Phone: 936-468-3958

Austin - Region - 11

Test Center Location Contact Information
Austin Community College ACC Highland CampusExit the TCEQ
6101 Airport BoulevardExit the TCEQ
Austin, TX 78752
Website: ACC Testing CenterExit the TCEQ
Email: bact@austincc.edu
Phone: 512-223-7395 Campus phone: 512-223-7395
Austin Community College 4400 College Park DriveExit the TCEQ, DirectionsExit the TCEQ
Round Rock, TX 78665
Website: ACC Testing CenterExit the TCEQ
Email: bact@austincc.edu
Phone: 512-223-7395 Campus phone: 512-223-0158
Texas State University - San Marcos TEMC, Testing Lab, San Marcos Commons Hall, Room G14
419 N. Edward Gary StreetExit the TCEQ,
San Marcos, TX
Note: Parking is located at 419 N. Edward Gary St.
San Marcos, TX 78666
Website: TEMC-Testing LabExit the TCEQ
Email: proctor@txstate.edu
Phone: 512-245-2276
Texas State University - Round Rock TEMC, Testing Ctr., Round Rock Avery Building
1555 University BoulevardExit the TCEQ
Round Rock, TX 78665
Website: Testing Center, RRExit the TCEQ
Email: rrc-testing@txstate.edu
Phone: 512-716-4020

Houston Region - 12

Test Center Location Contact Information
Galveston College Regents Hall, Room 117
4015 Avenue QExit the TCEQ
Galveston, TX 77550
Website: GC Testing CenterExit the TCEQ
Email: kfahringer@gc.edu
Phone: 409-944-1290
Houston Community College 1300 B Holman StExit the TCEQ, RM 211
Houston, TX 77004
Website: central.testing@hccs.edu
Email: ce.testing@hccs.edu
Phone: 713-718-6011
Sam Houston State University Huntsville Campus
1921 Avenue JExit the TCEQ
Academic Building IV, RM 102
Huntsville, TX 77340
Website: SHSU Testing CenterExit the TCEQ
Email: test.ctr@shsu.edu
Phone: 936-294-1025
College of the Mainland Enrollment Center A-126
1200 Amburn RoadExit the TCEQ
Texas City, TX 77591
Website: Certification ExamsExit the TCEQ
Email: Testingcenter@com.edu (Stephanie Hardy)
Phone: 409-933-8676
Texas Southern University

Until further notice: The Office of Testing will temporarily locate to the
University Learning Center (UAV). The building is located on the
corner of Rosewood & Canfield Streets. Please park at the East Side
Garage (Tierwester & Cleburne).

Roderick R. Paige School of Education Building
Basement Level 007
3100 Cleburne StreetExit the TCEQ
Houston, TX 77004

Website: TSU Testing CenterExit the TCEQ
Email: testing@tsu.edu
Phone: 713-313-6838
Wharton County Junior College Richmond Campus
5333 FM 1640Exit the TCEQ
Room 124B
Richmond, TX 77469

Website: Wharton County JC Testing Center
Exit the TCEQ
Email: richmondtesting@wcjc.edu
Phone: 281-239-1532

Texas State Technical College - Rosenberg 26706 Southwest FrwyExit the TCEQ
Rosenberg, TX 77471
Website: TSTC Rosenberg TestingExit the TCEQ
Email: Lance.hendrick@tstc.edu
Phone: 346-239-3467

San Antonio - Region 13

Test Center Location Contact Information
Alamo Colleges – San Antonio College San Antonio College
Assessment / Testing Center
Fletcher Administration Building, Room 102
1819 N. Main AveExit the TCEQ
San Antonio, TX 78212

Website: San Antonio College Testing CenterExit the TCEQ
Email: sac-Assessment@alamo.edu
Phone: (210) 486-0444

Texas A&M University - San Antonio Central Academic Building, Suite 209
One University WayExit the TCEQ
San Antonio, TX 78224
Website: www.tamusa.edu/testing-centerExit the TCEQExit the TCEQ
Email: testing.center@tamusa.edu
Phone: (210) 784-1366
University of Texas - San Antonio University of Texas
One UTSA CircleExit the TCEQ
Multiple Disciplinary Building
Suite 1.01.04
San Antonio, TX 78249
Website: https://testing.utsa.edu/texas-commission-on-environmental-quality-tceq/Exit the TCEQ
Email: testing.usta.edu
Phone: (210) 458-4125

Corpus Christi - Region 14

Test Center Location Contact Information
Del Mar College 3013 AyersExit the TCEQ, Room 125
Multi Service Center
Corpus Christi, TX 78404
Website: DMC Testing CenterExit the TCEQ
Email: testing@delmar.edu
Phone: 361-698-1645
Texas A&M University Corpus Christi Office of Academic Testing
6300 Ocean DriveExit the TCEQ
Student Services Center, Corpus Christi Hall, Room 124
Corpus Christi, TX 78412
Website: TAMU-CC Testing CenterExit the TCEQ
Email: atcweb@tamucc.edu
Phone: 361-825-2334
Texas A&M University Kingsville Robert B. Cousins Hall
Room 101
925 W. Santa Gertrudis AveExit the TCEQ.
Kingsville, TX 78363
Website: Kingsville Testing CenterExit the TCEQ
Email: testing@tamuk.edu
Phone: 361-593-3303
University of Houston - Victoria Jaguar Hall
Suite 1129
2705 Houston HWY Exit the TCEQ
Victoria, TX
Website: UHV TestingExit the TCEQ
Email: testing@uhv.edu
Phone: 361-570-4285

Harlingen - Region 15

Test Center Location Contact Information
University of Texas Rio Grande Valley UTRGV Brownsville Testing Center
101 Saint Joseph DrExit the TCEQ. Suite 100
Brownsville, TX 78530
Website: UTRGV Testing CenterExit the TCEQ
Email: testing@utrgv.edu
Phone: 956-882-8875
Texas State Technical College - Harlingen 1902 N. Loop 499Exit the TCEQ
Student Services Center Room 312
Harlingen, TX 78550
Website: Register at TSTC - HarlingenExit the TCEQ
Email: testing@tstc.edu
Phone: 956-364-4310

Laredo - Region 16

Test Center Location Contact Information
Texas A&M International University Senator Judith Zaffirini Student Success Center 201Exit the TCEQ
Laredo, Texas 78041-1900
Website: http://www.tamiu.edu/uc/testing_center/ Exit the TCEQ
Email: thetestingcenter@tamiu.edu
Phone: 956-326-2888