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Sustainable Solutions for Greywater & Blackwater Treatment

We specialise in greywater and blackwater systems that reduce environmental impact, conserve water and meet local compliance requirements without relying on conventional sewer or septic systems. These systems are tailored to homes, businesses and off-grid properties seeking sustainable alternatives to traditional wastewater infrastructure.

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Greywater Systems

Greywater diversion is a practical, sustainable way to reduce water use and support healthy pastures or gardens. We provide independent advice and planning services to guide you toward the right system for your property, including:

  • Greywater diversion devices (manual and automated)

  • Site assessments and system suitability

  • Sizing and irrigation layout planning

  • Guidance on council compliance and permit requirements.

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Composting Toilets

Composting toilets are a water-saving, low-maintenance alternative to septic systems, ideal for off-grid or environmentally conscious households. We assist with planning and selecting composting toilet systems by providing:

  • Advice on accredited composting toilet products

  • Site and installation planning guidance

  • Support for meeting local health and building requirements

  • Complementary greywater systems.

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Evapotranspiration Absorption Beds

Evapotranspiration absorption (ETA) beds are a natural, low-maintenance solution for treating wastewater onsite using soil, plants and sunlight. We offer expert advice on:

  • Assessing suitability for your site and soil conditions

  • Basic layout and plant selection for optimal evapotranspiration absorption.

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Worm Farm (Vermifiltration) Systems

Worm-based wastewater systems provide natural secondary treatment for wastewater. We help homeowners and small developments plan and implement vermifiltration systems by offering:

  • System sizing and design guidance

  • Site condition and flow rate assessments

  • Recommendations for accredited worm farm suppliers

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Get in touch to discuss how we can adopt a sustainable wastewater solution for your future development by contacting  us via 0435 575 403 or info@southernwastewater.com.au

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© 2025 by Southern Wastewater Consulting
Wastewater consultancy delivering on-site wastewater assessment and wastewater reports for simplified approvals across Southern Highlands, South Coast, South-West Sydney, Greater Sydney and Southern Tablelands. 

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