This guidance updates A draft technical guide to the Periphyton Attribute Note which was released in 2018. This document will sit as a draft for 6 months (ending in December 2021).
This guidance updates A draft technical guide to the Periphyton Attribute Note which was released in 2018. This document will sit as a draft for 6 months (ending in December 2021).
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.