Biological Leachate Remediation, or BLR, is a nature-based, low-energy engineered landfill leachate treatment system designed to actively treat and control leachate as part of a broader site water management strategy. It combines established treatment processes with controlled biological treatment, monitoring and polishing stages to help landfill operators manage leachate more reliably, reduce environmental risk and support approved reuse or discharge pathways.

Landfill leachate is becoming harder to manage through storage, evaporation, irrigation or off-site disposal alone. Higher rainfall, ageing infrastructure, landfill expansion and tighter regulatory expectations mean operators are increasingly being asked a simple question: what is your long-term leachate treatment plan? BLR provides a practical, cost-effective engineered option for sites that need to move beyond passive storage and reactive disposal.

No. BLR uses biological treatment as part of a controlled engineered system; it is not a passive pond process. The system is designed around the site’s leachate profile, flow conditions, infrastructure and approval pathway, with treatment, monitoring and operational controls built in to support consistent performance while harnessing natural biological processes.

BLR can be configured to help manage common landfill leachate contaminants including ammonia nitrogen, nutrients, suspended solids, organic matter, metals, hydrocarbons and PFAS. Treatment requirements are assessed on a site-specific basis, with the system designed around the contaminants of concern, regulatory criteria and intended end use for the treated water.

BLR can reduce reliance on tanker transport, trade waste discharge or off-site disposal by treating leachate at or near the landfill. For many sites, this can mean fewer truck movements, lower disposal risk, greater operational control and a more cost-effective, low-energy response during wet weather or high leachate generation periods.

Yes. BLR has been demonstrated under real landfill conditions and regulatory oversight, including treatment of contaminated leachate following the 2022 Northern NSW floods. The process has since been refined into a modular, purpose-engineered system designed for long-term landfill conditions, with applications including treated discharge, irrigation and integration into broader site water management strategies.