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
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
- Water Distribution System Operation and Maintenance
- Water Treatment Plant Operation, Volumes 1 & 2
Registration Closes January 19th, 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

