TCEQ (Texas Commission on Environmental Quality) Exam Information The Del Mar College Testing Center offers the following exams: Backflow Prevention Assembly Tester (BPAT) (3 Hours) Customer Service Inspectors (3 Hours) Landscape Irrigation (3 Hours): Landscape Irrigation Inspector Landscape Irrigation Technician (English Only) OSSF Maintenance Provider (3 Hours) Wastewater Treatment & Collection System Operators (3 Hours): Class I Wastewater Collection System Operator Class B Wastewater Treatment Facility Operator Class C Wastewater Treatment Facility Operator Class D Wastewater Treatment Facility Operator Water Treatment & Distribution System Operators (3 Hours): 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 (3 Hours): Class III Class II Class I Municipal Solid Waste Operator Class A (4 Hours) Municipal Solid Waste Operator Class B (2 Hours) Important Information for Candidates: All tests are timed and consist of multiple choice and true/false questions. All licensing applicants must be pre-approved by the TCEQ before applicants are eligible to take a CBT. Once approved, the applicant will be eligible to attempt a total of 4 tests during a one-year approval period. Candidates are allowed to immediately retest after failing the first three of four tests during his/her one year approval period if the Testing Center has adequate space. An additional test fee will by charged by the Testing Center for the immediate re-test. Candidates will schedule their exam using the link below and will be required to bring the following items to the Testing Center on test day: 1. Copy of approval letter from the state 2. Valid, unexpired Driver's License or State ID Card 3. Know your social security number Cost: $20 per exam. Examinees must schedule and pay for their exam at least 24 hours in advance. Examinees may pay and schedule their exam online using the link below or may come into the Testing Center to pay and schedule for their exam. The Testing Center is located at 3013 Ayers, Corpus Christ, TX 78404. For questions or concerns about TCEQ Testing, you may contact the Testing Center at 361-698-1645.Click here to pay and schedule your TCEQ exam.