Texas On-Site Sewage Facility System (OSSF) Designated Representative Contractor License

The On-Site Sewage Facility System (OSSF) Designated Representative Contractor License grants the licensee authorization to conduct the following work:

  • Site evaluations
  • Complaint investigations
  • System evaluations
  • Inspections of OSSFs

How to Get the On-Site Sewage Facility System (OSSF) Designated Representative Contractor’s License in Texas?

Texas On-Site Sewage Facility System (OSSF) Designated Representative Contractor License Exam

Below is the available information related to the On-Site Sewage Facility System (OSSF) Designated Representative CBT exam. All candidates for licensing must fulfill the pre-approval requirements of the Texas Commission on Environmental Quality, before they can register to present the computer-based test. Following authorization, applicants may take the initial test plus up to three retests over the course of one year at the corresponding Registered Test Center. Access to the license exam will not be granted if the candidate does not qualify to retake the test. Depending on the testing location, applicants who fail the initial test may retake it (once) immediately and on the same day, but they shall return on another date to attempt the other three of the four chances that are given.

On-Site Sewage Facility System (OSSF) Designated Representative Contractor Trade Exam

  • Testing Company: TCEQ
  • Testing Method: Computer-based testing; closed book
  • Time Allowed: 3 Hours
  • Subjects Involved:
    • Site evaluations performance
    • Investigations complaint
    • System evaluations
    • OSSFs Inspections