Wastewater operator continuing education
Trickling Filter Arm Speed and Recirculation
Approved for renewal credit in ILTo equip Class 3 wastewater operators with a clear understanding of trickling filter arm speed control and recirculation management under varying operational conditions, informed by regulatory standards and real-world case studies, enabling informed operator decisions to optimize treatment while avoiding common errors.
Level: Core — assumes you work in the field; develops the subject as a main topic
Credit awarded: 1 CEU hour — Technical
One hour of study is one hour of credit. Your certificate reports the hours, which is what IL records against your renewal.
What's included
- Self-paced online coursework you can start, pause, and resume anytime
- A short completion quiz to confirm your understanding
- An official certificate of completion (PDF) with a public verification code
- Progress saved to your My Learning dashboard
One-time payment · lifetime access to this course
About 70 minutes of video · 1 CEU hour
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Full refund within 7 days if you have not completed the course — refund policy.
Training a team? Buy seats for your operators — card or purchase order, with a completion record you can export.