| Bacteriolytic Treatment of Sewage and Disposal of Effluent and Liquid Waste Regulations 4 | 3 Sep 1974 p. 3303‑40 (erratum 13 Sep 1974 p. 3440) | 3 Sep 1974 |
| Untitled regulations | 21 Apr 1978 p. 1218-20 | 21 Apr 1978 |
| Bacteriolytic Treatment of Sewage and Disposal of Effluent and Liquid Waste Amendment Regulations 1981 | 18 Dec 1981 p. 5192 | 18 Dec 1981 |
| Health Legislation Amendment Regulations 1984 r. 4 | 29 Jun 1984 p. 1780-4 | 1 Jul 1984 (see r. 2) |
| Reprint of the Bacteriolytic Treatment of Sewage and Disposal of Effluent and Liquid Waste Regulations authorised 29 Jan 1985 published in Gazette 6 Feb 1985 p. 469-508 (includes amendments listed above) | | |
| Bacteriolytic Treatment of Sewage and Disposal of Effluent and Liquid Waste Amendment Regulations 1989 5 | 15 Dec 1989 p. 4547‑53 | 15 Dec 1989 |
| Treatment of Sewage and Disposal of Effluent and Liquid Waste Amendment Regulations 1992 | 4 Sep 1992 p. 4471‑6 | 4 Sep 1992 (see r. 2 and Gazette 4 Sep 1992 p. 4453) |
| Treatment of Sewage and Disposal of Effluent and Liquid Waste Amendment Regulations 1993 | 12 Nov 1993 p. 6143 | 12 Nov 1993 |
| Treatment of Sewage and Disposal of Effluent and Liquid Waste Amendment Regulations (No. 2) 1993 | 12 Nov 1993 p. 6145 (correction 23 Nov 1993 p. 6308) | 10 Dec 1993 (see r. 2) |
| Treatment of Sewage and Disposal of Effluent and Liquid Waste Amendment Regulations 1994 | 27 May 1994 p. 2211 | 1 Jul 1994 (see r. 2) |
| Treatment of Sewage and Disposal of Effluent and Liquid Waste Amendment Regulations 1995 | 27 Jun 1995 p. 2553 | 1 Jul 1995 (see r. 2) |
| Treatment of Sewage and Disposal of Effluent and Liquid Waste Amendment Regulations 1996 | 28 Jun 1996 p. 3032‑3 | 1 Jul 1996 (see r. 2) |
| Treatment of Sewerage and Disposal of Effluent and Liquid Waste Amendment Regulations 1997 | 1 Jul 1997 p. 3255 | 1 Jul 1997 (see r. 2) |
| Treatment of Sewage and Disposal of Effluent and Liquid Waste Amendment Regulations (No. 2) 1997 6 | 29 Jul 1997 p. 4063‑84 | 29 Jul 1997 (see r. 2(b) and Gazette 29 Jul 1997 p. 4065) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations (No. 3) 1997 | 5 Sep 1997 p. 5036‑7 | 5 Sep 1997 |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 1998 | 17 Mar 1998 p. 1417 | 17 Mar 1998 |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment (No. 2) Regulations 1998 | 1 May 1998 p. 2273 | 1 May 1998 |
| Reprint of the Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Regulations 1974 as at 2 May 1998 (includes amendments listed above) | | |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2000 | 30 Jun 2000 p. 3413 | 1 Jul 2000 (see r. 2) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2001 | 6 Nov 2001 p. 5838‑9 | 6 Nov 2001 |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations (No. 2) 2001 | 30 Nov 2001 p. 6074 | 30 Nov 2001 |
| Reprint 3: The Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Regulations 1974 as at 8 Aug 2003 (includes amendments listed above) | | |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations (No. 3) 2004 | 25 Jun 2004 p. 2240-1 | 1 Jul 2004 (see r. 2) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2004 7 | 28 Jun 2004 p. 2393-6 | 1 Jul 2004 (see r. 2 and Gazette 28 Jun 2004 p. 2399) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations (No. 4) 2004 8 | 24 Aug 2004 p. 3657 | 24 Aug 2004 (see r. 2) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations (No. 5) 2004 | 30 Dec 2004 p. 6937-8 | 1 Jan 2005 (see r. 2 and Gazette 31 Dec 2004 p. 7130) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2005 | 7 Jan 2005 p. 64‑70 | 1 Feb 2005 (see r. 2) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations (No. 2) 2005 | 31 May 2005 p. 2411 | 1 Jul 2005 (see r. 2) |
| Reprint 4: The Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Regulations 1974 as at 7 Oct 2005 (includes amendments listed above) | | |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2006 | 2 May 2006 p. 1702 | 1 Jul 2006 (see r. 2) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2007 | 18 May 2007 p. 2253 | 1 Jul 2007 (see r. 2) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2008 | 4 Apr 2008 p. 1309 | r. 1 and 2: 4 Apr 2008 (see r. 2(a)); Regulations other than r. 1 and 2: 1 Jul 2008 (see r. 2(b)) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2009 | 15 May 2009 p. 1631 | r. 1 and 2: 15 May 2009 (see r. 2(a)); Regulations other than r. 1 and 2: 1 Jul 2009 (see r. 2(b)) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2010 | 13 Aug 2010 p. 3975‑6 | r. 1 and 2: 13 Aug 2010 (see r. 2(a)); Regulations other than r. 1 and 2: 14 Aug 2010 (see r. 2(b)) |
| Reprint 5: The Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Regulations 1974 as at 22 Oct 2010 (includes amendments listed above) | | |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2011 | 29 Apr 2011 p. 1530‑1 | r. 1 and 2: 29 Apr 2011 (see r. 2(a)); Regulations other than r. 1 and 2: 1 Jul 2011 (see r. 2(b)) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations (No. 2) 2013 | 21 Jun 2013 p. 2448 | r. 1 and 2: 21 Jun 2013 (see r. 2(a)); Regulations other than r. 1 and 2: 1 Jul 2013 (see r. 2(b)) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2013 | 14 Nov 2013 p. 5047-8 | r. 1 and 2: 14 Nov 2013 (see r. 2(a)); Regulations other than r. 1 and 2: 18 Nov 2013 (see r. 2(b) and Gazette 14 Nov 2013 p. 5027) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2014 | 8 Apr 2014 p. 919 | r. 1 and 2: 8 Apr 2014 (see r. 2(a)); Regulations other than r. 1 and 2: 1 Jul 2014 (see r. 2(b)) |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations (No. 2) 2014 | 28 Nov 2014 p. 4413 | r. 1 and 2: 28 Nov 2014 (see r. 2(a)); Regulations other than r. 1 and 2: 29 Nov 2014 (see r. 2(b)) |
| Reprint 6: The Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Regulations 1974 as at 23 Jan 2015 (includes amendments listed above) | | |
| Health (Treatment of Sewage and Disposal of Effluent and Liquid Waste) Amendment Regulations 2015 | 5 May 2015 p. 1596 | r. 1 and 2: 5 May 2015 (see r. 2(a)); Regulations other than r. 1 and 2: 1 Jul 2015 (see r. 2(b)) |
| Health Regulations Amendment (Fees and Charges) Regulations 2016 Pt. 4 | 17 Jun 2016 p. 2101-5 | 1 Jul 2016 (see r. 2(b)) |
| Health Regulations Amendment (Public Health) Regulations 2016 Pt. 24 | 10 Jan 2017 p. 237‑308 | 24 Jan 2017 (see r. 2(b) and Gazette 10 Jan 2017 p. 165) |
| Health Regulations Amendment (Fees and Charges) Regulations 2017 Pt. 5 | 30 Jun 2017 p. 3568‑74 | 1 Jul 2017 (see r. 2(b)) |
| Health Regulations Amendment (Fees and Charges) Regulations 2018 Pt. 4 | 25 May 2018 p. 1632‑9 | 1 Jul 2018 (see r. 2(b)) |
| Health Regulations Amendment (Fees and Charges) Regulations 2019 Pt. 4 | 14 Jun 2019 p. 1883‑94 | 1 Jul 2019 (see r. 2(b)) |
| Health Regulations Amendment (Fees and Charges) Regulations 2020 Pt. 4 | SL 2020/97 26 Jun 2020 | 1 Jul 2020 (see r. 2(b)) |
| Health Regulations Amendment (Fees and Charges) Regulations 2021 Pt. 4 | SL 2021/108 29 Jun 2021 | 1 Jul 2021 (see r. 2(b)) |
| Health Regulations Amendment (Fees and Charges) Regulations 2022 Pt. 5 | SL 2022/136 15 Jul 2022 | 16 Jul 2022 (see r. 2(b)) |
| Health Regulations Amendment (Fees and Charges) Regulations 2023 Pt. 5 | SL 2023/96 30 Jun 2023 | 1 Jul 2023 (see r. 2(b)) |
| Health Regulations Amendment (Fees and Charges) Regulations 2024 Pt. 5 | SL 2024/91 12 Jun 2024 | 1 Jul 2024 (see r. 2(b)) |
| Health Regulations Amendment (Fees and Charges) Regulations 2025 Pt. 5 | SL 2025/104 25 Jun 2025 | 1 Jul 2025 (see r. 2(b)) |