Computer-Based Testing for Occupational Licenses
Take your license examination on a computer!
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
- OSSF Site Evaluator - written portion
- 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:
- complete license requirements—
- education
- experience
- training
- submit an application and the required fee using our online application: Occupational Licensing Electronic Application (OLEA).
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.
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Amarillo - Region 1
Test Center Location Contact Information Amarillo College Student Service Center, 101
2201 South Washington
Amarillo, Texas 79109Website: Amarillo Testing Center
Email: testingservices@actx.edu
Phone: 806-371-5445Frank Phillips College - Allen Campus Student Resource Center, Room 126
2314 S. Jefferson
Perryton, Texas 79090Website: Allen Campus Testing Center
Email: rschwalk@fpctx.edu
Phone: (806) 648-1450Frank Phillips College - Main Campus James W. Dillard Library Building,
Room LIB5
1301 W. Roosevelt
Borger, TX 79008Website: Main Campus Testing Center
Email: kyeager@fpctx.edu
Phone: (806) 457-4200 ext, 777Frank Phillips College - Rahill Campus Testing Center - Room 118A
2890 FM 281
Dalhart, TX 79022Website: Rahill Campus Testing Center
Email: agreen@fpctx.edu
Phone: (806) 274-7669Lubbock - Region 2
Test Center Location Contact Information South Plains College 1401 S. College Avenue
Levelland, TX 79336Website: Continuing Education
Email: jwarnick@southplainscollege.edu
Phone: 806-716-2547South Plains College 3907 Avenue Q
Lubbock, TX 79412Website: 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 - Abilene650 E. Hwy 80
Abilene, TX 79601Website: Register at TSTC - Abilene
Email: susan.hash@tstc.edu
Phone: 325-734-3641Texas State Technical College - Breckenridge 307 N. Breckenridge Avenue
Breckenridge, TX 76424Website: Register at TSTC - Breckenridge
Email: lisa.langford@tstc.edu
Phone: 254-559-7731Texas State Technical College - Brownwood305 Booker Street
Brownwood, TX 76801Website: Register at TSTC - Brownwood
Email: kim.carroll@tstc.edu
Phone: 325-641-5955Texas State Technical College - Sweetwater300 Homer K Taylor Drive
(Sears Building)
Sweetwater, TX 79556Website: Register at TSTC - Sweetwater
Email: patricia.caprio@tstc.edu
Phone: 325-235-7441Vernon College - Wichita Falls Testing CenterCentury City Center
Room 101
4105 Maplewood Avenue
Wichita Falls, TX 76308Website: Vernon College Testing Information
Email: itctesting@vernoncollege.edu
Phone: 940-689-3778Vernon College - Vernon Testing Center4400 College Drive
Vernon, TX 76384Website: 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 75020Website: Grayson Main Campus Testing Center
Email: testing@grayson.edu
Phone: 903-463-8724Grayson College - Van Alstyne 1455 West Van Alstyne Parkway
Van Alstyne, TX 75495Website: Grayson Testing Center
Email: khalafm@grayson.edu
Phone: 903-415-2509Navarro College Gooch One Stop Student Center
Room 103
3200 W 7th Avenue
Corsicana, TX 78110Website: Navarro College
Email: corsicana.testing@navarrocollege.edu or Karen.Black@navarrocollege.edu
Phone: 903-875-7457Tarrant County College 4801 Marine Creek Pkwy
Professional Certification Center
NW05 2202
Fort Worth, TX 76179Website: TCC Testing Center
Email: ProfessionalTesting@tccd.edu
Phone: 817-515-7653Texas A&M University 2200 Campbell Street
Commerce, TX 75428Website: A&M Commerce Testing Office
Email: testingoffice@tamuc.edu
Phone: 903-886-5122Texas State Technical College – Red Oak 119 N Lowrance Rd.
Red Oak, TX 75154Website: Register at TSTC - Red Oak
Email: jonas.young@tstc.edu
Phone: (469)820-6838University of North Texas at Dallas 7300 University Hills Blvd.
Student Center 2025
Dallas, TX 75241Website: UNT Testing Center
Email: testing@untdallas.edu
Phone: 972-338-1769Weatherford College Jack Knight Building
225 College Park Dr
Weatherford, TX 76086Website: 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 75455Website: www.ntcc.edu
Email: testing@ntcc.edu
Phone: 903-434-8273 or 8272Panola College 1109 W. Panola Street
Carthage, TX, 75633Website: Testing Services
Email: sgee@panola.edu
Phone: 903-693-2046Texarkana College Palmer Memorial Library
2500 North Robison Rd
Texarkana, TX 75599Website: TC Testing Center
Email: texarkanacollege.edu/forms/email/
Phone: 903-823-3278Texas State Technical College 2650 E. End Blvd S
Marshall, TX 75672Website: TSTC Marshall Testing
Email: Danyelle.jackson@tstc.edu
Phone: 903-923-3227Tyler Junior College - West Campus Regional Training and Development Complex, Room 151
1530 S. Southwest Loop 323
Tyler, TXWebsite: 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 79832Website: Sul Ross Testing Center
Email: testing@sulross.edu
Phone: 432-837-8178University of Texas - El Paso 2060 Hawthorne St.
El Paso, TX 79902Website: 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 79764Website: Odessa College Testing Center
Email: testingcenter@odessa.edu
Phone: 432-335-6620University of Texas - Permian Basin Mesa Buliding #1160
4901 E. University
Odessa, TX 79762Website: 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 76905Website: 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 76549Website: Central Texas College
Email: victor.gates@ctcd.edu
Phone: 254-526-1168Navarro College - Mexia 901 N. MLK Jr. Hwy
Mexia, TX 76667Website: Mexia Testing Center
Email: karen.blackwell@navarrocollege.edu
Phone: 254-562-5210Texas A & M Engineering Extension Service TEEX Rellis Campus, Bldg 8000
3100 State Hwy 47
Bryan, TX 77807Website: TEEX Testing Center-Bryan
Email: itsi@teex.tamu.edu
Phone: 800-723-3811Texas A&M University - Central Texas (Killeen) 1001 Leadership Place
Killeen, TX 76549Website: A&M Testing Center
Email: proctor@tamuct.edu
Phone: 254-501-5830Texas State Technical College - Waco 3801 Campus Drive
Student Services Center
Waco, TX 76705Website: 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 77705Website: LIT Testing Center
Email: testingcenter@lit.edu
Phone: 409-247-4978Stephen F. Austin University Rusk Bldg, RM 328
2008 Alumni Drive
Nacogdoches, TX 75962Website: 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 78752Website: ACC Testing Center
Email: bact@austincc.edu
Phone: 512-223-7395 Campus phone: 512-223-7395Austin Community College 4400 College Park Drive , Directions
Round Rock, TX 78665Website: ACC Testing Center
Email: bact@austincc.edu
Phone: 512-223-7395 Campus phone: 512-223-0158Texas State University - San Marcos TEMC, Testing Lab, San Marcos Commons Hall, Room G14
419 N. Edward Gary Street ,
San Marcos, TXWebsite: TEMC-Testing Lab
Email: proctor@txstate.edu
Phone: 512-245-2276Texas State University - Round Rock TEMC, Testing Ctr., Round Rock Avery Building
1555 University Boulevard
Round Rock, TX 78665Website: 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 77591Website: Certification Exams
Email: Testingcenter@com.edu (Stephanie Hardy)
Phone: 409-933-8676Galveston College Regents Hall, Room 117
4015 Avenue Q
Galveston, TX 77550Website: GC Testing Center
Email: kfahringer@gc.edu
Phone: 409-944-1290Houston Community College - Central 1300 B Holman St , RM 211
Houston, TX 77004Website: HCC Testing Services
Email: ce.testing@hccs.edu
Phone: 713-718-6011Houston Community College - NE Northline 8001 Fulton St , RM 121
Houston, TX 77022Website: HCC Testing Services
Email: northline.testing@hccs.edu
Phone: 713-718-8073Houston Community College - SW Stafford 10041 Cash Rd , RM 205
Stafford, TX 77477Website: HCC Testing Services
Email: stafford.testing@hccs.edu
Phone: 718-718-6735Lone Star College - Creekside 8747 West New Harmony Trail
The Woodlands, TX 77375Website: Creekside Testing Center
Email: tctesting@lonestar.edu
Phone: 832-761-6615Lone Star College - CyFair 9191 Barker Cypress Rd.
CASA 104
Cypress, TX 77433Website: CyFair Testing Center
Email: cyfair.testingcenter@lonestar.edu
Phone: 281-290-3220Lone Star College - Cypress 19710 Clay Rd.
Room 114
Katy, TX 77449Website: Cypress Testing Center
Email: cypress.testing@lonestar.edu
Phone: 832-920-5014Lone Star College - Kingwood 20000 Kingwood Dr.
SCC 223
Kingwood, TX 77339Website: Kingwood Testing Center
Email: Kingwood.Testing@lonestar.edu
Phone: (281) 312-1476Lone Star College - Montgomery 3200 College Park Dr.
MSC-220
Conroe, TX 77384Website: Montgomery Testing Center
Email: MCTestingCenter@lonestar.edu
Phone: (936)273-7377Lone Star College - Tomball 30555 Tomball Parkway , Room L201
Tomball, TX 77375Website: Tomball Testing Center
Email: tctesting@lonestar.edu
Phone: 832-559-4245Lone Star College - University Park 20515 SH 249
Building 13, Room 240
Houston, TX 77070Website: University Park Testing Center
Email: UPAC@lonestar.edu
Phone: 281-401-5314Sam Houston State University Huntsville Campus
1921 Avenue J
Academic Building IV, RM 102
Huntsville, TX 77340Website: SHSU Testing Center
Email: test.ctr@shsu.edu
Phone: 936-294-1025Texas Southern University University Learning Center
3563 Rosewood Street
Houston, TX 77004Website: TSU Testing Center
Email: testing@tsu.edu
Phone: 713-313-6838Texas State Technical College - Rosenberg 26706 Southwest Frwy
Rosenberg, TX 77471Website: TSTC Rosenberg Testing
Email: Lance.hendrick@tstc.edu
Phone: 346-239-3467Wharton County Junior College Richmond Campus
5333 FM 1640
Room 124B
Richmond, TX 77469Website: 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 78212Website: San Antonio College Testing Center
Email: sac-Assessment@alamo.edu
Phone: (210) 486-0444Texas A&M University - San Antonio Central Academic Building, Suite 209
One University Way
San Antonio, TX 78224Website: www.tamusa.edu/testing-center
Email: testing.center@tamusa.edu
Phone: (210) 784-1366University of Texas - San Antonio University of Texas
One UTSA Circle
Multiple Disciplinary Building
Suite 1.01.04
San Antonio, TX 78249Website: 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 78404Website: DMC Testing Center
Email: testing@delmar.edu
Phone: 361-698-1645Texas A&M University Corpus Christi Office of Academic Testing
6300 Ocean Drive
Student Services Center, Corpus Christi Hall, Room 124
Corpus Christi, TX 78412Website: TAMU-CC Testing Center
Email: atcweb@tamucc.edu
Phone: 361-825-2334Texas A&M University Kingsville Robert B. Cousins Hall
Room 101
925 W. Santa Gertrudis Ave .
Kingsville, TX 78363Website: Kingsville Testing Center
Email: testing@tamuk.edu
Phone: 361-593-3303University of Houston - Victoria Jaguar Hall
Suite 1129
2705 Houston HWY
Victoria, TXWebsite: 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 78550Website: Register at TSTC - Harlingen
Email: testing@tstc.edu
Phone: 956-364-4310University of Texas Rio Grande Valley UTRGV Brownsville Testing Center
101 Saint Joseph Dr . Suite 100
Brownsville, TX 78530Website: 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 78041-1900Website: TAMIU Testing Center
Email: thetestingcenter@tamiu.edu
Phone: 956-326-2888