Water Operator Certification Exam Prep Courses

Alliance of Indiana Rural Water is pleased to offer exam review courses as preparation for individuals planning to take the Indiana certification exam for Water Distribution (DSS, DSM, or DSL) or Water Treatment (WT1, WT2, WT3, WT4 & WT5) operator certification.

Water Treatment & Distribution Certification Exam Review - Online

This course consists of 8 sessions.
Cost: $400 member/ $500 non-member

Thursday, July 30, 2026
9:00 AM - 3:00 PM (EST)

Online (ZOOM)

Register Here Now!

  • This eight session Water Operator Exam Review Course is designed to assist individuals taking the certification exam for Water Distribution (DSS, DSM, & DSL) and Water Treatment (WT1, WT2, WT3, WT4 & WT5).

    Any questions on required course material, please contact Donald Papai at dpapai@inh2o.org

    Registration Closes Monday, July 20th, 2026

    This course will be offered in webinar format. Registered attendees will receive a separate email prior to the course with additional class information.

    Class Dates: Thursdays

    • July 30, 2026
    • August 6, 2026
    • August 13, 2026
    • August 20, 2026
    • August 27, 2026
    • September 3, 2026
    • September 10, 2026
    • October 1, 2026

    Registrants are responsible for obtaining the textbooks. Students can purchase either the AWWA textbooks or the Sacramento State Office of Water Programs textbooks.

    AWWA texts: www.awwa.org or 800.926.7337

    Water Distribution - Grade 1-2 & 3-4

    Water Treatment - Grade 1, 2, & 3-4

    AWWA catalog no.: WSOSET-1E for full set (5 book set)

    Sacramento State Office of Water Programs texts:

    www.owp.csus.edu/courses/drinking-water.php or (916) 278-6142

    Water Distribution System Operation and Maintenance

    Water Treatment Plant Operation, Volumes 1 & 2

    Registration Closes July 20th, 2026

Ivy Tech Holiday Schedule
IDEM Exam Certification Info:

 Ivy Tech will offer the exam any business day throughout the year (no postmark due date for submitting applications).  This is a computerized exam, and applications must still be submitted through IDEM.  In addition, IDEM will offer a paper exam to be held in Indianapolis in November each year.

IDEM Water testing dates, applications, prep materials, and past exam results.

IDEM Requirements to Test for Certification

IDEM Formula / Conversion Tables for Water Treatment and Distribution Exams