Southern Wastewater Consulting delivers clear, reliable wastewater reports across the Wingecarribee LGA and Southern Highlands region of NSE to support development applications and system upgrades. We prepare on-site sewage management (OSSM) reports that meet Wingecarribee Shire Council’s requirements for new homes, secondary dwellings, subdivisions and commercial projects.

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Our specialised and locally operating team deliver compliant, council-ready on-site sewage management (OSSM) reports quickly, efficiently and at lean costs. Contact us today on 0435 575 403 or info@southernwastewater.com.au to start your process.

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If your property in Wingecarribee Shire or the Southern Highlands is not connected to sewer, you may need an onsite wastewater assessment to support a development application, subdivision or wastewater system approval.

Southern Wastewater Consulting provides onsite wastewater assessments, site and soil testing, and council-ready wastewater reports across Wingecarribee and the Southern Highlands.

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Our team brings more than 20 years’ combined experience across geology, soil assessment, environmental consulting and project management. We understand the local conditions that influence wastewater design, from variable soils and sloping rural properties to environmentally sensitive sites within the Sydney drinking water catchment.

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We prepare wastewater reports for:

• New homes, cabins, secondary dwellings and granny flats in unsewered areas

• Extensions and developments that increase wastewater loads

• Replacement, relocation or upgrades of existing septic and wastewater systems

• Subdivisions and boundary adjustments

• Commercial, tourism and rural developments, including farm stays, cellar doors, breweries, distilleries, schools and accommodation

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Every assessment includes:

• Site and soil assessment – including onsite soil testing to understand the property's soils, drainage, slope and environmental constraints

• Wastewater system design – practical options tailored to the property, proposed development and client requirements

• Scaled site plan – showing proposed land application areas, buffers and required setbacks

• System recommendations – including septic tanks, aerated wastewater treatment systems (AWTS), composting toilets, greywater systems, absorption systems and irrigation areas

• Council-ready wastewater report – bringing the assessment, design and recommendations together to support the relevant approval process.

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These inclusions are critical to secure your project's approval without delay. 

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For subdivision and other projects in this growing residential region, we also deliver land capability assessments. This is a really critical step for some projects which confirm that a site can realistically support on-site wastewater management and helps avoid design and layouts that won’t meet council requirements later.​

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We work across the Wingecarribee region, including Bowral, Mittagong, Moss Vale, Burradoo, Welby, Renwick, Braemar, Willow Vale, Colo Vale, Hill Top, Balmoral, Yerrinbool, Alpine, Aylmerton, Avoca, Wildes Meadow, Burrawang, Robertson, Kangaloon, Glenquarry, East Kangaloon, Exeter, Bundanoon, Penrose, Wingello, Tallong, Marulan, Canyonleigh, Werai, Sutton Forest, Berrima, New Berrima, Joadja, High Range, Bullio, Goodmans Ford, Mandemar, Peppers Brush, Paddys River, Fitzroy Falls, Knights Hill, Belmore Falls area, Mount Lindsey, Mount Gibraltar locality, Mount Murray, Meryla, Yarrunga, Upper Kangaroo River, Wombeyan Caves Road rural area.

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To discuss your wastewater reporting needs in the Wingecarribee, contact us at info@southernwastewater.com.au or 0435 575 403.