North Carolina Biological Wastewater Operator Study Portal – Grade Two

The study portal will provide you with a virtual study tool covering all 16 topics listed in the NCDEQ’s
Needs to Know resource document. More details listed below:

The quiz portal:

• Is meant for singular use providing individualized data on your progress
• Can be accessed on a computer or a smartphone
• Keeps track of your correct and incorrect answers so you know where to focus your study efforts
• Provides access 24/7 and can be for a few minutes or hours at a time
• Provides access in 28-day increments and can be renewed as needed

NCDEQ’s Needs to Know document for Grade Two Biological Wastewater Operators includes the
following topics. The study portal reflects this structure.

• Mechanical & Maintenance Operations
• Preliminary Treatment
• Sedimentation & Flotation
• Attached Growth Systems
• Activated Sludge
• Sludge Digestion
• Solids Handling & Disposal
• Advanced Treatment
• Disinfection
• Instrumentation and Controls
• Laboratory Procedures
• Sampling
• Required Technical Knowledge (Math)
• Laws & Regulations
• Health & Safety
• Public Relations
• Industrial Pretreatment
• Biology