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Land capability is described as the inherent physical capacity of the land to sustain a range of land uses and management practices in the long term without degradation to soil, land, air and water resources. Due to the elevated salinity and nutrient load in wastewater, it has an impact on its receiving environment. However, when carefully managed, the impact can be reduced to a sustainable level.

At AWE, we have expert knowledge in the dynamics of surface water and groundwater and the movement of water within the land system. We apply our knowledge of hydraulics, soil systems, and vegetation to develop site specific water and nutrient balances for proposed land developments and change of use. Our philosophy is to ensure wherever possible that wastewater has a beneficial impact on the receiving environment.

We work closely with planners, developers, property owners, and regulators to manage wastewater effectively within the capacity of the land, to avoid risk of degradation of resources both on and off-site, and protect natural ecosystem values, agricultural productivity and infrastructure functionality.

Further reading


  • Waitpinga Land Division

    Provision of a Wastewater and Land Capability Assessment for a land division involving realignment of 14 titles on a 6.5km2 parcel of rural land to create rural style living allotments each on around 1.5ha. The terrain was generally steep and dissected by watercourses in a...

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Our experts

  • Dave Pennington

    Senior Designer Infrastructure Services

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  • Bart Fens

    Design Drafter

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