June 2022 – What has changed?
On-site Sewage Disposal Systems Standard (PDF)
June 2022 – Sloping Sand Filter Selection Example (PDF)
June 2022 – Amendments to Standard
- The Standard now includes a selectable sloping sand filter. Tables have been added to Appendix A. The schematic is found in Appendix D.
- Some changes to the malfunction sections have been made to improve clarity regarding the Department’s intention for these sections.
- Some discharge of treated effluent in a malfunction replacement can now be considered under notification.
May 2017 – Amendments to Standard
Table of revisions: Onsite Sewage Standard - 2017 table of revisions (PDF)