Relevant documents A number of documents are available to assist proponents with design of on-site and decentralised treatment systems in the Northern Territory (NT). The key documents commonly utilised in the NT include the following: Document Application Purpose Available from DoH ‘Code of Applies to small scale To ensure the safe Practice for on-site wastewater disposal and reuse of On-site systems with a domestic or other Wastewater maximum domestic wastewater to protect Management’ wastewater flow of public and (the ‘Code of 8000 L/day environmental health Practice’) AS/NZS Applies to septic Specifies performance Can be purchased from: 1546.1.2008 tanks catering for requirements and waste, blackwater, performance criteria for On-site domestic greywater, collection septic tanks wastewater wells and pump treatment units wells. Suitable on-site Part 1: Septic wastewater systems tanks with a maximum domestic wastewater flow of 2000 L/day AS/NZS Applies to waterless Specifies performance Can be purchased from: 1546.2.2008 composting toilets requirements and which are intended performance criteria for On-site domestic primarily as waterless composting wastewater units for toilets treatment units residential use but Part 2: Waterless may be suitable for composting non-residential use toilets AS/NZS Applies to Specifies performance Can be purchased 1546.3.2017 secondary requirements and from: treatment systems performance criteria On-site domestic and advanced for secondary wastewater secondary treatment systems treatment units treatment systems Part 3: Secondary designed to treat treatment domestic systems wastewater. Suitable for domestic
Relevant documents A number of documents are available to assist proponents with design of on-site and decentralised treatment systems in the Northern Territory (NT). The key documents commonly utilised in the NT include the following: Document Application Purpose Available from DoH ‘Code of Practice for On-site Wastewater Management’ (the ‘Code of Practice’) Applies to small scale on-site wastewater systems with a maximum domestic wastewater flow of 8000 L/day To ensure the safe disposal and reuse of domestic or other wastewater to protect public and environmental health AS/NZS 1546.1.2008 On-site domestic wastewater treatment units Part 1: Septic tanks Applies to septic tanks catering for blackwater, greywater, collection wells and pump wells. Suitable on-site wastewater systems with a maximum domestic wastewater flow of 2000 L/day Specifies performance requirements and performance criteria for septic tanks Can be purchased from: AS/NZS 1546.2.2008 On-site domestic wastewater treatment units Part 2: Waterless composting toilets Applies to waterless composting toilets which are intended primarily as units for residential use but may be suitable for non-residential use Specifies performance requirements and performance criteria for waterless composting toilets Can be purchased from: AS/NZS 1546.3.2017 On-site domestic wastewater treatment units Part 3: Secondary treatment systems Applies to secondary treatment systems and advanced secondary treatment systems designed to treat domestic wastewater. Suitable for domestic Specifies performance requirements and performance criteria for secondary treatment systems Can be purchased from: waste,