This book is designed to help aspiring on-site sewage facility (OSSF) professionals prepare for the Texas Commission on Environmental Quality (TCEQ) OSSF licensing exam. It features a wide range of unofficial practice questions that reflect the types of knowledge and critical thinking required by the exam. While not affiliated with or endorsed by TCEQ, this resource serves as a practical study aid—offering detailed explanations and insights into key topics such as permitting, installation, and maintenance. Use it to reinforce your understanding, identify areas for review, and build confidence for test day.
