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, January 29, 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, January 19th, 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:

January 29, 2026

February 5, 2026

February 12, 2026

February 19, 2026

February 26, 2026

March 5, 2026

March 12, 2026

March 26, 2026

Registrants are responsible for obtaining the text books. 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

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