Water Distribution Courses
3-Day Exam Review Grades 1-2 September 21 – 23, 2026
2-Day Exam Review Grades 3-4 September 24 – 25, 2026
Basic Water Supply Principles Course Grades 1-2 Aug. 31 – Sept. 9, 2026
Intermediate Water Supplies Principles Course Grades 3-4 September 10 – 18, 2026
*also see CEU Elective section for additional classes
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General Class Listing and Descriptions
Water Treatment Courses
3-Day Exam Review Grades 1-2 August 17 – 19, 2026
2-Day Exam Review Grades 3-4 August 20 – 21, 2026
Fundamentals of Drinking Water Treatment Course Grades 1-2 October 1 – 9, 2026
Fundamentals of Drinking Water Treatment Course Grades 3-4 October 15 – 23, 2026
**See our Southern California section below for Southern California dates on our Certified Test Prep classes.
*also see CEU Elective section for additional classes
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Wastewater
5-Day Wastewater Exam Review Grades 1-2 Nov. 30 – Dec. 4, 2026
5-Day Wastewater Exam Review Grades 3-5 August 24 – 28, 2026
*also see CEU Elective section for additional classes
Click on the button below to view even more class dates.
CEU Elective, Specialty & Off-site Classes (individual classes subject to cancellation or change)
3-Day Certified Field Sampling October 19 – 21, 2026
Southern California Classes
2-Day Water Distribution Exam Review Grades 3-4 – City of Thousand Oaks – Newbury Park, CA – October 5 – 6, 2026
4-Day Water Treatment Certification Test Prep Grade 5 -City of Thousand Oaks – Newbury Park, CA – August 17 – 20, 2026
If you, or your facility, are interested in scheduling any of OCT’s classes, reviews, or courses, please feel free to contact our Customer Service team Monday through Friday 7:30am – 3:30pm.
Financial Aid available for Small Water System Operators (serving communities of < 10,000 people) 50% off tuition per day |
