Skip links and keyboard navigation

Skip to primary navigation | Skip to secondary navigation | Skip to content | Skip to content | Skip to footer | Use tab and cursor keys to move around the page (more information)
Skip Navigation LinksDepartment of Housing and Public Works > Construction > Building and plumbing > Plumbing > On-site sewerage facilities > Approved systems > Advanced secondary with nutrient removal

 Advanced secondary with nutrient removal

Advanced secondary quality effluent with nutrient removal has these compliance characteristics:

  • 90% of samples taken over the test period shall have a BOD5 less than or equal to 10g/m3 with no sample greater than 20g/m3.
  • 90% of samples taken over the test period shall have total suspended solids less than or equal to 10 g/m3 with no sample greater than 20 g/m3.
  • Where disinfection is provided, 90% of the samples taken over the test period shall have a thermotolerant coliform count (determined by either the most probable number of membrane filter technique) not exceeding 10 organisms per 100ml with no sample exceeding 200 organisms per 100ml.
  • Where chlorination is the disinfection process, the total chlorine concentration shall be greater than or equal to 0.5g/m3 and less than 2.0g/m3 in 4 out of 5 samples taken.
  • 90% of the samples, with 95% confidence limits taken over the test period shall have a total nitrogen concentration less than or equal to 10mg/l.
  • 90% of the samples, with 95% confidence limits taken over the test periods shall have a total phosphorus concentration less than or equal to 5mg/l.

Approved facilities

Company name Description Approval documents Expiry date
AWTS Maintenance Services Pty Ltd Envirocycle Model 10 NR Chief executive approval 06/2015 (PDF, 340KB) 19 Mar 2020
Eco Water Pty Ltd Earthsafe D10 S/C model with nutrient reduction Chief executive approval 10/2014 (PDF, 182B) 20 Aug 2019
Earthsafe D10 S/F model with nutrient reduction Chief executive approval 12/2014 (PDF, 196KB) 20 Aug 2019
Everhard Industries Pty Ltd AquaNova NR 8 EP advanced secondary wastewater treatment system Chief executive approval 05/2015 (PDF, 299KB) 19 Mar 2020
Fuji Clean Australia Pty Ltd Fuji Clean CRX 1500 Model Chief executive approval 06/2014 (PDF, 513KB) 25 May 2019
H2O World Wide Water Solutions Pty Ltd H20 Pure Plus Whole of House Advanced Secondary Quality Wastewater Treatment System with Nutrient Reduction

Chief executive approval 01/2014 (PDF, 1.3MB)

Chief executive approval 03/2014 (PDF, 1.3MB)

11 March 2018
Magnesium Tech Pty Ltd ​Magnesium Domestic Membrane System
(DMS 15 EP)
Chief executive approval 25/2015 (PDF, 454KB) ​10 September 2020​
Suncoast Waste Water Management ​OzziKleen RP10A+ Chief executive approval 02/2017 ​8 February 2021

More information

See on-site sewerage or contact Building Codes Queensland for more information.



Last updated 23 February 2017    Creative Commons Attribution 4.0 International (CC BY 4.0)


Copyright |  Disclaimer |  Privacy |  Right to information |  Accessibility |  Jobs in Queensland |  Other languages

© The State of Queensland – Department of Housing and Public Works 2009–2017

Queensland Government