- Regulation 61-55, Septic Tank Site Evaluation Fees (pdf)
- Regulation 61-56, Onsite Wastewater Systems (pdf)
- Regulation 61-56.1, License to Construct or Clean Onsite Sewage Treatment and Disposal Systems and Self-Contained Toilets (pdf)
- Regulation 61-56.2, Licensing of Onsite Wastewater Systems Master Contractors (pdf)