OSSF – Installer I

WWW302 – 16.00 Hours


Details Buttons Dates Location Class Price Register Buttons
06/24/24 – 06/25/24 San Antonio, TX EU WWW302 239 $460.00 Register
07/01/24 – 07/02/24 Bryan, TX EU WWW302 250 $460.00 Register
07/22/24 – 07/23/24 San Antonio, TX EU WWW302 245 $460.00 Register
07/22/24 – 07/23/24 Bryan, TX EU WWW302 235 $460.00 Register
08/19/24 – 08/20/24 Live Online Instructor-Led Training EU WWW302 248 $460.00 Register
08/19/24 – 08/20/24 Mesquite, TX EU WWW302 243 $460.00 Register
10/07/24 – 10/08/24 Bryan, TX EU WWW302 257 $465.00 Register
11/14/24 – 11/15/24 Mesquite, TX EU WWW302 251 $465.00 Register
11/18/24 – 11/19/24 Mesquite, TX EU WWW302 252 $465.00 Register
01/06/25 – 01/07/25 Bryan, TX EU WWW302 258 $465.00 Register
02/03/25 – 02/04/25 Mesquite, TX EU WWW302 253 $465.00 Register
04/07/25 – 04/08/25 Bryan, TX EU WWW302 259 $465.00 Register
05/12/25 – 05/13/25 Mesquite, TX EU WWW302 254 $465.00 Register
07/14/25 – 07/15/25 Bryan, TX EU WWW302 260 $465.00 Register
07/24/25 – 07/25/25 Mesquite, TX EU WWW302 255 $465.00 Register
08/18/25 – 08/19/25 Mesquite, TX EU WWW302 256 $465.00 Register

This schedule is subject to change without notice. If you have not received confirmation of the class prior to the class start, please contact the division at (800) 723-3811 or (800) SAFE-811 or [email protected] to get the latest schedule.

Course Description

**PLEASE NOTE** This course has been approved by the Texas Commission on Environmental Quality (TCEQ) to fulfill 16 credit hours in the following operator license area(s):

– Onsite Sewage Facility Operator License

sewage containmentThe OSSF – Installer I course not only prepares students to sit for the On-Site Sewage Facilities Installer I license exam, it provides participants with the fundamentals surrounding proper installation, design, and operation of residential and commercial Installer I level on-site sewage facilities (OSSF). Once students successfully complete the course, they may apply directly with TCEQ to take the licensing examination at either a TCEQ Regional Office or at an approved Computer Based Testing (CBT) Center.

Special Note: Beginning August 12, 2020, TEEX will no longer administer the OSSF Installer I paper-based exam. After August 1, 2020, the Installer I exam will be available through CBT – see WWW901 for more details.


There are no prerequisites for this course.

Course Completion Requirements

TCEQ Licensing Requirements

For any class after August 11, 2020, TEEX will no longer offer the paper-based exams in conjunction with the class. After participants successfully complete the training course, they will need to apply with TCEQ for an exam using the TCEQ eApplication.

Participant Must Provide

  • a photo identification on the first day of class. See the Participant Handbook for approved forms of identification and additional guidelines.

Attendance Requirements

Class attendance is an essential part of the education process and participants in TEEX courses are expected to attend all class sessions and field exercises. This course requires participants to attend a minimum of 100% of the class hours as a component of successful course completion. During the course, your instructor will review any additional attendance requirements, for example a field exercise that cannot be missed.

Upon successful completion, you will be able to:

  • Explain the concepts for on-site sewage facilities (OSSF).
  • Outline regulatory requirements regarding OSSF.
  • Outline the Occupational Safety and Health Administration’s (OSHA) safety requirements related to OSSF.
  • Perform basic calculations related to OSSF.
  • Explain the composition of waste received by OSSF systems.
  • Describe OSSF treatment and disposal.
  • Examine factors in a site evaluation for an OSSF system.
  • Explain requirements for standard systems.
  • Describe the installation process of an OSSF system.
  • Apply procedures for the proper operation of standard OSSF systems.

Suggested Audience

This course is designed for personnel who are involved in the business of constructing, installing, or repairing septic tanks and associated drainfields.

Continuing Education And Professional Credits

  • 16.00 hours – Texas Commission on Environmental Quality (TCEQ)

Contact Information

Infrastructure Training & Safety Institute
OSHA Training Institute Education Center
Phone: | Toll-Free: (800) 723-3811 or (800) SAFE-811
Email: [email protected]