Any system that is selected or designed in accordance with the On-site Sewage Standard is eligible to submit under NSE's notification process.

Any system that does not meet the Standard requires an application for approval.

Download Amended On-site Sewage Disposal Systems Standard, Effective 1 June, 2022 (PDF:643k)

Appendices

• Appendix A Tables for selecting an on-site sewage system (PDF:798k)
• Appendix B Determination of distribution trench width (PDF:178k)
• Appendix C Falling head permeameter test (PDF:5.1mb)
• Appendix D Detailed cross section drawings (PDF:3MB)