Florida Wastewater Treatment Operator Certification: Class C Secondary Treatment & Process Operations
Class C sits above the entry-level Class D credential and covers the operator who actually runs a conventional secondary-treatment plant's day-to-day process control, not just plant safety basics.
Preliminary & Primary Treatment
Headworks screening and grit removal protect downstream equipment from rags, debris, and abrasive grit. Primary clarification then removes settleable solids and floatables before the biological stage — a Class C operator should be able to recognize signs of a primary clarifier upset (rising sludge from septic conditions, poor weir leveling causing short-circuiting) and know the corrective response.
Activated Sludge Process Control
This is the operational core of most Florida secondary plants. Key control parameters:
- MLSS (mixed liquor suspended s