Basic Wastewater Treatment Operations

(5 days – former Part 1 course)

On completion of this course you'll have fundamental knowledge of wastewater and its treatment, and the understanding and practical skills essential for the effective operation and performance of basic treatment works (primarily pond based and trickling filter plants).

Who should attend?

Local water utility sewage treatment works operators, engineers and managers.

Topics covered

  • Legislation; collection systems
  • Primary, secondary and tertiary treatment processes
  • Technologies covered in this course include trickling filters, oxidation ponds, aerated lagoons and basic activated sludge processes.


There is a written theory exam and an on-site assessment to determine the competencies achieved by the operator at the operator's own treatment works. The on-site assessment will be appropriate to the works being operated.

Resulting qualification

A NSW Operator Certificate to operate a Wastewater Treatment Works will be issued to each successful candidate. This course is a prerequisite for the NWP30315 Certificate III in Water Industry Treatment – Wastewater (former Part 2) course.

Course prerequisites

It is strongly recommended that operators have a minimum of 4-6 weeks experience on the treatment works prior to attending the course. It is also recommended that operators review the manual and mathematics tutorial examples prior to commencement of the course. Course notes will be supplied for pre-course study and future reference.

What is included

Course notes and on-site examination at the operator's own treatment works. Morning and afternoon tea will be provided for the five day workshop.

What is not included

Writing material, calculator, accommodation, meals, transport to and from the course.

Course details

Information on course dates, locations and costs can be found in the course calendar.

How to nominate for the course

Download a nomination form ((PDF 164.3 KB)) and submit it by email to

The department will send confirmation of receipt of your nomination via email within one week. Venue details, course notes, the program and a timetable will be sent to all participants approximately six weeks before the course. Please provide details of any special dietary needs on nomination.