Practical training for water and wastewater professionals
Learn the process. Troubleshoot the plant. Practice plant math. Advance your certification.
Online, self-paced classes with a student manual, a quiz and a certificate of completion.
All-Access Pass, $220 a year, except Indiana exam prep. See the pass
Aeration basins at a working treatment plant — the same kind of process used in our classes.
Online classes
Every live class, with featured classes first. Full list
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Swipe or scroll the row sideways to see more. The compact list below has every class.
Certificate of completion
Every class includes a student manual, a quiz and a certificate. Online classes carry CEUs only where the class is approved for credit. Where to use these classes
90 days of access
Online access, including the manual, quiz, and certificate, lasts 90 days from purchase.
Group and utility plans
All-Access Passes for your whole crew, with one invoice and a lower price per seat. Group pricing
White River plant examples
Classes use a real training plant — process, design data, permit limits and operating examples. Tour the plant
Exam prep for any state
These exam-prep classes are available now and can be used to prepare for certification exams in any state. They are grouped by exam level, not by state, and are listed under their live Indiana titles. They cover the core knowledge every state tests at that grade. Credit applies only where a class is approved.
Grades I and II
Indiana Class I and II Certification. This exam-prep class is available now and can be used to prepare for certification exams in any state.
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Grades III and IV
Indiana Class III and IV Certification. This exam-prep class is available now and can be used to prepare for certification exams in any state.
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Industrial
Indiana Industrial Class C and D. This exam-prep class is available now and can be used to prepare for certification exams in any state.
See this level →Free tools and the training plant
White River training plant
The 8.0 MGD plant used in our classes: process, design data, permit limits and a month of operating data.
Tour the plant →
Free intro class
A one-hour walk through a modern treatment plant. Certificate of completion, not for CEU credit.
Operator Toolbox
42 calculator pages with the formula and a worked example, free to use.
Troubleshooting
Start from the symptom with 18 activated sludge guides and an interactive matrix.
State point and GBT tools
Clarifier state point, RAS, gravity belt thickener, SVI and pounds-per-day tools.
Training for a whole crew
Group plans, on-site training, or a conversation about the classes that fit your plant.