Wastewater operator continuing education

Disinfection 2: What the Dose Actually Buys

Counts in South Carolina (no pre-approval required)

Changing chlorine dose without understanding contact time and residual levels can lead to missed disinfection targets or wasted chemicals. This hour shows how to read your plant's data, weigh trade-offs, and make smarter dose decisions that protect performance and cut costs.

Course summary, as it appears on your certificate

To deepen operator understanding of the implications of disinfection dose changes on plant performance, compliance, and operational trade-offs, building from Level 1 knowledge of terms and process modes.

Level 2 — what each change does to the plant — effluent, efficiency, sludge and energy — assumes Level 1

Credit awarded: 1 hour — Technical

The South Carolina 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 October 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not mark its own homework: a licensed operator reviews the content and the course cannot be sold while that review is out of date.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 South Carolina records against your renewal.

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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