Wastewater operator continuing education

Wasting Rate, Sludge Age and the F/M Lever

Training certificate — Rhode Island requires no renewal hours

Operators often struggle to balance wasting rate, sludge age, and the food-to-microorganism (F/M) ratio, leading to unstable or inefficient treatment. This hour shows how to use these levers to understand process targets and make confident adjustments for better plant performance.

Course summary, as it appears on your certificate

Wasting Rate, Sludge Age, and the F/M Lever in Activated Sludge Process Control To equip wastewater treatment operators with practical knowledge and decision-making skills on controlling activated sludge processes through managing wasting rate, understanding sludge age (SRT/MCRT), and applying the Food-to-Microorganism (F/M) ratio lever, enabling improved plant stability and compliance with design and permit requirements.

Level 1 — what it is and why — the foundations, for operators new to the subject or wanting a refresher

Credit awarded: 1 hour — Technical

The Rhode Island course number is issued by the Agency for this course and is printed on your certificate.

Reviewed by: Robert Risley, Class 1 Wastewater Operator — reviewed November 2026

AquaCert does not mark its own homework: a licensed operator reviews the content and the course cannot be sold while that review is out of date.

One hour of study is one hour of credit. Your certificate reports the hours, which is what Rhode Island records against your renewal.


What's included

  • Self-paced online coursework you can start, pause, and resume anytime
  • Short questions along the way, and a short final quiz to pass for your certificate (retake it as often as you need)
  • An official certificate of completion (PDF) with a public verification code
  • Progress saved to your My Learning dashboard
$19.00 USD

One-time payment · lifetime access to this course

About 72 minutes of video · 1 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.

Can your plant pay? See how, with a request to print for your supervisor.