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Questions or Comments: licenses@tceq.texas.gov

Computer-Based Testing for Occupational Licenses

Take your license examination on a computer!

NEWAs of April 10, 2023, the Landscape Irrigator Exam is now available on a computer!

Please note that the Landscape Irrigator exam is a 6-hour exam. Not all CBT centers can accommodate a 6-hour exam, so please ensure the CBT testing location you are wanting to test at can accommodate the allotted time. No additional items such as graph paper or an engineering scale is required to take the computer-based test (CBT).

On this page:CBT flyer

Spanish exams now available by computer-based test (CBT)( Spanish translation instructions available)

  • Class D Water System Operator
  • Class C Groundwater Operator
  • Class C Water Distribution
  • Class C Surface Water Operator
  • Class D Wastewater Treatment Facility Operator
  • Class C Wastewater Treatment Facility Operator
  • Class I Wastewater Collection System Operator
  • Class II Wastewater Collection System Operator
  • Backflow Prevention Assembly Tester
  • Customer Service Inspector
  • Landscape Irrigation Technician
  • On-Site Sewage Facilities Installer I
  • On-Site Sewage Facilities Maintenance Provider

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 Irrigator (6 hour time limit) No additional items such as graph paper or an engineering scale is required to take the computer-based test (CBT).
              • Landscape Irrigation Inspector 
              • Landscape Irrigation Technician 
            • Leaking Petroleum Storage Tank (LPST)
            • Municipal Solid Waste Facility Supervisors
              • Class A (4 hour time limit)
              • Class B (3 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 accommodate 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.
  • bring approval letter with you to your exam.  If you do not have a copy of lose your approval letter, you can print a copy of your application status showing “Approved” from searching your name or license number.
  • 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 Washington
Amarillo, Texas 79109
Website: Amarillo Testing Center
Email: testingservices@actx.edu
Phone: 806-371-5445
Frank Phillips College - Allen Campus Student Resource Center, Room 126
2314 S. Jefferson
Perryton, Texas 79090
Website: Allen Campus Testing Center
Email: rschwalk@fpctx.edu 
Phone: (806) 648-1450
Frank Phillips College - Main Campus James W. Dillard Library Building,
Room LIB5
1301 W. Roosevelt  
Borger, TX  79008
Website: Main Campus Testing Center
Email: kyeager@fpctx.edu
Phone: (806) 457-4200 ext, 777
Frank Phillips College - Rahill Campus Testing Center - Room 118A
2890 FM 281  
Dalhart, TX 79022
Website: Rahill Campus Testing Center
Email: agreen@fpctx.edu
Phone: (806) 274-7669

Lubbock - Region 2

Test Center Location Contact Information
South Plains College 1401 S. College Avenue
Levelland, TX 79336
Website: Continuing Education
Email: jwarnick@southplainscollege.edu
Phone: 806-716-2547
South Plains College 3907 Avenue Q
Lubbock, TX 79412
Website: Testing Center
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
Texas State Technical College - Abilene
650 E. Hwy 80
Abilene, TX 79601

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

Texas State Technical College - Breckenridge 307 N. Breckenridge Avenue
Breckenridge, TX 76424

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

Texas State Technical College - Brownwood
305 Booker Street
Brownwood, TX 76801

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

Texas State Technical College - Sweetwater
300 Homer K Taylor Drive
(Sears Building)
Sweetwater, TX 79556
Website: Register at TSTC - Sweetwater
Email: patricia.caprio@tstc.edu
Phone: 325-235-7441
Vernon College - Wichita Falls Testing Center
Century City Center
Room 101
4105 Maplewood Avenue
Wichita Falls, TX 76308
Website: Vernon College Testing Information
Email: itctesting@vernoncollege.edu
Phone: 940-689-3778
Vernon College - Vernon Testing Center
4400 College Drive
Vernon, TX 76384
Website: Vernon College Testing Information
Email: itctesting@vernoncollege.edu
Phone: 940-552-6291 ext.2317

Dallas/Ft. Worth - Region 4

Test Center Location Contact Information
Grayson College - Denison Room DC-115
6101 Grayson Drive
Denison, TX 75020
Website: Grayson Main Campus Testing Center
Email: testing@grayson.edu
Phone: 903-463-8724
Grayson College - Van Alstyne

1455 West Van Alstyne Parkway
Van Alstyne, TX 75495

Website: Grayson Testing Center
Email: khalafm@grayson.edu
Phone: 903-415-2509

Navarro College

Gooch One Stop Student Center
Room 103
3200 W 7th Avenue
Corsicana, TX 78110

Website: Navarro College
Email: corsicana.testing@navarrocollege.edu or Karen.Black@navarrocollege.edu
Phone: 903-875-7457
Tarrant County College Northwest Campus WCTS-1148
4801 Marine Creek Pkwy
Fort Worth, TX 76179
Website: TCC Testing Center
Email: ProfessionalTesting@tccd.edu
Phone: 817-515-7653
Texas A&M University 2200 Campbell Street
Commerce, TX 75428
Website: A&M Commerce Testing Office
Email: testingoffice@tamuc.edu
Phone: 903-886-5122
Texas State Technical College – Red Oak

119 N Lowrance Rd.
Red Oak, TX 75154

Website: Register at TSTC - Red Oak
Email: jonas.young@tstc.edu
Phone: (469)820-6838
University of North Texas at Dallas

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

Website: UNT Testing Center
Email: testing@untdallas.edu
Phone: 972-338-1769
Weatherford College Jack Knight Building
225 College Park Dr
Weatherford, TX 76086
Website: Weatherford Testing Center
Email: testing@wc.edu
Phone: 817-598-6383

Tyler - Region 5

Test Center Location Contact Information
Northeast Texas Community College 2886 FM 1735
Chapel Hill Road,
Mount Pleasant, TX 75455
Website: www.ntcc.edu
Email: testing@ntcc.edu
Phone: 903-434-8273 or 8272
Panola College 1109 W. Panola Street
Carthage, TX, 75633
Website: Testing Services
Email: sgee@panola.edu
Phone: 903-693-2046
Texarkana College Palmer Memorial Library
2500 North Robison Rd
Texarkana, TX 75599
Website: TC Testing Center
Email: texarkanacollege.edu/forms/email/
Phone: 903-823-3278
Texas State Technical College 2650 E. End Blvd S
Marshall, TX 75672

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

Tyler Junior College - West Campus Regional Training and Development Complex, Room 151
1530 S. Southwest Loop 323
Tyler, TX
Website: Tyler Junior College Testing Center
Email: Mark.Smith@tjc.edu
Phone: 903-510-2993

El Paso - Region 6

Test Center Location Contact Information
Sul Ross State University Box C-171
Room UC211D

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

Midland - Region 7

Test Center Location Contact Information
Odessa College 201 W. University Blvd.
Odessa, TX 79764
Website: Odessa College Testing Center
Email: testingcenter@odessa.edu
Phone: 432-335-6620
University of Texas - Permian Basin Mesa Buliding #1160
4901 E. University
Odessa, TX 79762
Website: UT Permian Basin Testing Center
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 67
San Angelo, TX 76905

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

Waco - Region 9

Test Center Location Contact Information
Central Texas College 6200 W Central
Texas Expressway
Killeen, TX 76549
Website: Central Texas College
Email: victor.gates@ctcd.edu
Phone: 254-526-1168
Navarro College - Mexia 901 N. MLK Jr. Hwy
Mexia, TX 76667
Website: Mexia Testing Center
Email: karen.blackwell@navarrocollege.edu
Phone: 254-562-5210
Texas A & M Engineering Extension Service TEEX Rellis Campus, Bldg 8000
3100 State Hwy 47
Bryan, TX 77807
Website: TEEX Testing Center-Bryan
Email: itsi@teex.tamu.edu
Phone: 800-723-3811
Texas A&M University - Central Texas (Killeen) 1001 Leadership Place
Killeen, TX 76549
Website: A&M Testing Center
Email: proctor@tamuct.edu
Phone: 254-501-5830
Texas State Technical College - Waco 3801 Campus Drive
Student Services Center
Waco, TX 76705
Website: Register at TSTC - Waco
Email: wilson.boggess@tstc.edu
Phone: 254-867-4820

Beaumont - Region 10

Test Center Location Contact Information
Lamar Institute of Technology 855 East Lavaca St.
Eagle's Nest Building
Suite 115
Beaumont, TX 77705
Website: LIT Testing Center
Email: testingcenter@lit.edu
Phone: 409-247-4978
Stephen F. Austin University Rusk Bldg, RM 328
2008 Alumni Drive
Nacogdoches, TX 75962
Website: SFA Testing Center
Email: sfatesting@sfasu.edu
Phone: 936-468-3958

Austin - Region - 11

Test Center Location Contact Information
Austin Community College ACC Highland Campus
6101 Airport Boulevard
Austin, TX 78752
Website: ACC Testing Center
Email: bact@austincc.edu
Phone: 512-223-7395 Campus phone: 512-223-7395
Austin Community College 4400 College Park Drive , Directions
Round Rock, TX 78665
Website: ACC Testing Center
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 Street ,
San Marcos, TX
Website: TEMC-Testing Lab
Email: proctor@txstate.edu
Phone: 512-245-2276
Texas State University - Round Rock TEMC, Testing Ctr., Round Rock Avery Building
1555 University Boulevard
Round Rock, TX 78665
Website: Testing Center, RR
Email: rrc-testing@txstate.edu
Phone: 512-716-4020

Houston Region - 12

Test Center Location Contact Information
College of the Mainland Enrollment Center A-126
1200 Amburn Road
Texas City, TX 77591
Website: Certification Exams
Email: Testingcenter@com.edu (Stephanie Hardy)
Phone: 409-933-8676
Galveston College Regents Hall, Room 117
4015 Avenue Q
Galveston, TX 77550
Website: GC Testing Center
Email: kfahringer@gc.edu
Phone: 409-944-1290
Houston Community College - Central 1300 B Holman St , RM 211
Houston, TX 77004
Website: HCC Testing Services
Email: ce.testing@hccs.edu
Phone: 713-718-6011
Houston Community College - NE Northline

8001 Fulton St , RM 121
Houston, TX  77022

Website: HCC Testing Services
Email:  northline.testing@hccs.edu
Phone:  713-718-8073

Houston Community College - SW Stafford

10041 Cash Rd , RM 205
Stafford, TX  77477

Website:  HCC Testing Services
Email:  stafford.testing@hccs.edu
Phone:  718-718-6735

Lone Star College - Creekside

8747 West New Harmony Trail
The Woodlands, TX 77375

Website: Creekside Testing Center
Email: tctesting@lonestar.edu
Phone: 832-761-6615

Lone Star College - CyFair

9191 Barker Cypress Rd.
CASA 104
Cypress, TX 77433

Website: CyFair Testing Center
Email: cyfair.testingcenter@lonestar.edu
Phone: 281-290-3220

Lone Star College - Cypress

19710 Clay Rd.
Room 114
Katy, TX 77449

Website: Cypress Testing Center
Email: cypress.testing@lonestar.edu
Phone: 832-920-5014

Lone Star College - Kingwood

20000 Kingwood Dr.
SCC 223
Kingwood, TX 77339

Website: Kingwood Testing Center
Email: Kingwood.Testing@lonestar.edu 
Phone: (281) 312-1476

Lone Star College - Montgomery 3200 College Park Dr. 
MSC-220
Conroe, TX  77384

Website: Montgomery Testing Center
Email: MCTestingCenter@lonestar.edu
Phone: (936)273-7377

Lone Star College - Tomball 30555 Tomball Parkway , Room L201 
Tomball, TX 77375
Website: Tomball Testing Center
Email: tctesting@lonestar.edu
Phone: 832-559-4245
Sam Houston State University Huntsville Campus
1921 Avenue J
Academic Building IV, RM 102
Huntsville, TX 77340
Website: SHSU Testing Center
Email: test.ctr@shsu.edu
Phone: 936-294-1025
Texas Southern University

University Learning Center
3563 Rosewood Street
Houston, TX 77004

Website: TSU Testing Center
Email: testing@tsu.edu
Phone: 713-313-6838
Texas State Technical College - Rosenberg 26706 Southwest Frwy
Rosenberg, TX 77471
Website: TSTC Rosenberg Testing
Email: Lance.hendrick@tstc.edu
Phone: 346-239-3467
Wharton County Junior College Richmond Campus
5333 FM 1640
Room 124B
Richmond, TX 77469

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

San Antonio - Region 13

Test Center Location Contact Information
Alamo Colleges – San Antonio College San Antonio College
Assessment & Testing Office
Fletcher Administration, FAC112
1819 N. Main Ave
San Antonio, TX 78212

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

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

Corpus Christi - Region 14

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

Harlingen - Region 15

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

Laredo - Region 16

Test Center Location Contact Information
Texas A&M International University Senator Judith Zaffirini Student Success Center 201
Laredo, Texas 78041-1900
Website:  TAMIU Testing Center
Email: thetestingcenter@tamiu.edu
Phone: 956-326-2888