Practice Exam

The study questions in this practice exam are designed to prepare you for the training and testing of the IOWPA Installer and Inspector’s certification exams.  Please be sure to use the most current version of Rule 410 as your study guide. The most current version of Rule 410 is available at

Disclaimer: Indiana Onsite Wastewater Professionals Association’s (IOWPA) Certification Committee and the Indiana State Department of Health (ISDH) provide these study questions for your convenience. Questions concentrated on the placement, design, or construction of septic treatment or disposal systems. Please forward comments about how this study guide could be improved to

No information about the user or their performance is collected or kept when the session ends. The practice exam is intended strictly for the benefit of the user.

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