• Driver of nature change: Pollution/pollution removal

    Wastewater discharged (C2.1)

    Volume of water discharged (m3), split into:

    • Total;
    • Freshwater; and
    • Other.78
    Including:

    • Concentrations of key pollutants in the wastewater discharged, by type of pollutant, referring to sector-specific guidance for types of pollutants; and
    • Temperature of water discharged, where relevant.

    Reporting on volume of water discharged under the core global disclosure metric should additionally be broken down by destination:

    • Original water source;
    • Wider water supply; and
    • Third parties.

    Pollutants and water quality metrics to report under the core global disclosure metric include:

    • Absorbable Organic Halogens (AOX);
    • Nitrogen;
    • Phosphorus;
    • Chemical Oxygen Demand (COD); and
    • Total Suspended Solids (TSS) from fibre production, bleaching, recycling and/or other chemical processes; and forest production.

    In determining which pollutants to report, an organisation should also consider the pollutants listed under the pollutants to soil metric (C2.0).

    Ashrafi et al. (2015); IFC (2007b); WBCSD- FSG (2021); WRI and WBCSD (2015)

    78 Freshwater: (≤1,000 mg/L Total Dissolved Solids). Other: (>1,000 mg/L Total Dissolved Solids). Reference: GRI (2018) GRI 303-4  Water discharge.

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