Water quality | PDF Report Categories

December 2018
This memo sets out the current state of nitrogen allocation in the Hurunui catchment in the Canterbury region.

December 2018
Analysis of river water quality state and trends for the Manawatū-Whanganui Region for the period up to 2017.

December 2018
Methods for aggregating trend analyses performed on many sites to summarise broad-scale water quality changes.

July 2018
The LWP-Trends library to undertake water quality trend analysis in the R statistical computing environment (updated 17 December 2018).

October 2017
Predictive modelling of current and natural loads of nutrient and estimation of anthropogenic increases

September 2017
Consideration of proposed fencing rules in New Zealand with respect to contaminant generation at the national scale

May 2017
Review of Waipaoa Catchment Plan Limits

April 2017
Review of the Ruataniwha Water Storage Scheme Issue 12

March 2017
National scale spatial modelling of river water quality state

November 2016
Development and application of a classification system for managing land use effects on water quality in Southland

Water quality: related PDFs