Many of our rivers and streams are affected by nutrients.
Find out more about the effects of high levels of nutrients on freshwater and our draft targets to improve the state of nutrients over the next 30 years.
Consultation document
Supporting documents
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Draft catchment nutrient criteria and target attribute states - Technical MemorandumPDF (2.38 MB)
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Addendum to Taranaki region catchment nutrient modelsPDF (799.57 KB)
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Baseline state for nutrients - Technical MemorandumPDF (2.63 MB)
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Catchment mitigation simulationsPDF (3.87 MB)
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Taranaki region catchment nutrient modelsPDF (5.00 MB)
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Test of revised periphyton nutrient criteria for the Taranaki RegionPDF (388.47 KB)
