| License | Required Courses | Elective Courses |
|---|---|---|
| Class D | Basic Wastewater Operation | None |
| Class C | Basic Wastewater Operation Activated Sludge or Wastewater Treatment plus one elective course |
Wastewater Collection Wastewater Laboratory Water Utility Calculations Water Utility Safety |
| Class B | Activated Sludge or Wastewater Treatment Wastewater Collection Wastewater Laboratory Water Utility Safety plus one elective course |
Intermediate Wastewater Laboratory Water Utility Calculations Water Utility Management |
| Class A | Activated Sludge or Wastewater Treatment Wastewater Collection Wastewater Laboratory Water Utility Management Water Utility Safety plus one elective course |
Intermediate Wastewater Laboratory Water Utility Calculations Wastewater Technology Advanced Management |
| Class I | Wastewater Collection | None |
| Class II | Basic Wastewater Operation Wastewater Collection plus one elective course |
Water Utility Safety Pump and Motor Maintenance |
| Class III | Basic Wastewater Operation Wastewater Collection Water Utility Safety Pump and Motor Maintenance plus one elective course |
Intermediate Wastewater Laboratory Water Utility Management Water Utility Calculations Pre-treatment Facility Inspection |