The department publishes information on holders of the following certificates and licences:

Contaminated Sites

• Currently Registered Site Professionals (PDF: 41k)
• Currently Registered Certified Cleanup Contractors (PDF: 29k)

Pests and Pesticides

• Certified Pesticide Applicators
• Certified Business Operators (Commercial / Restricted Pesticides)

Petroleum Storage

• Certified Petroleum Storage Tank Installers

Wastewater

• On-site Sewage Disposal Systems: Qualified Persons Level I (PDF: 220k) | Qualified Persons Level II (PDF: 197k)
• Certified Septic Tank Cleaners (PDF: 371k)

Water

• Certified Well Diggers and Drillers (PDF: 206k)
• Certified Pump Installers (PDF: 198k)