Wastewater Design

Once your wastewater design is approved, we can move forward with installing your septic system or HSTP, ensuring everything is completed to council standards and ready for long-term use.

Yes. We handle the process for you — from arranging the site and soil evaluation through to recommending the right system and completing the installation.

Costs can vary depending on your property size and complexity. We can help organise your site and soil evaluation and provide guidance on expected costs upfront.

No. Council approval is required before installation, and this approval is based on a compliant wastewater design. Skipping this step can lead to fines, failed inspections, or costly rework.

Getting the design right is critical. A properly designed system will: – Perform efficiently long-term – Meet council requirements – Reduce the risk of system failure – Save you money on future repairs or upgrades

A qualified assessor will inspect your property and test the soil to determine how well it absorbs wastewater. They will also assess slope, drainage, and layout to decide the best location for your tank and irrigation area. Click here for more information.

Timeframes can vary depending on the property and availability of assessors, but generally a site and soil evaluation and design report can take anywhere from a few days to a couple of weeks. At Maxfield’s Wastewater, we help organise the process to keep things moving as quickly as possible.

Yes. In Queensland, a site and soil evaluation (wastewater design) is required before installing or upgrading any septic system or Home Sewage Treatment Plant (HSTP). This ensures your system complies with local council regulations and is suitable for your property.