This guidance updates A draft technical guide to the Periphyton Attribute Note, released in 2018. It was updated in August 2023 to reflect amendments made to clause 3.13 of the National Policy Statement for Freshwater Management (2020). The changes reflect stakeholder feedback. The updated version is A guide to implementing clause 3.13 of the NPS-FM 2020.
This guidance updates A draft technical guide to the Periphyton Attribute Note, released in 2018. It was updated in August 2023 to reflect amendments made to clause 3.13 of the National Policy Statement for Freshwater Management (2020). The changes reflect stakeholder feedback. The updated version is A guide to implementing clause 3.13 of the NPS-FM 2020.
This technical guidance will help councils with the process set out in Clause 3.13 of the National Policy Statement for Freshwater Management 2020. This clause requires regional councils to set appropriate instream concentrations and exceedance criteria for dissolved inorganic nitrogen and dissolved reactive phosphorus to achieve outcomes periphyton, other nutrient attributes, other nutrient affected attributes and for sensitive downstream environments. Clause 3.13 provides a step-by-step process for councils to follow. The technical guidance explains each of the steps in the process and includes worked examples and case studies.
If you have feedback on this guidance, please send it to freshwater@mfe.govt.nz.