Rivers and streams

A study to identify whether there is a need to monitor Northland rivers for pesticides.
Published: 04 Feb 2008
A report on introduced freshwater fish currently occurring in Northland.
Published: 23 Feb 2016
River Hydraulic Habitat Simulation assessment for the Waitangi, Mangere and Hatea catchments.
Published: 08 Mar 2016
Report by Stark Environmental Limited.
Published: 30 Jul 2014
This report presents the results of the 2008 round of the ‘Northland Macroinvertebrate Monitoring Programme’.
Published: 22 Jun 2011
This report presents the results of the 2009 round of the ‘Northland Macroinvertebrate Monitoring Programme’.
Published: 22 Jun 2011
This report presents the results of the 2010 round of the ‘Northland Macroinvertebrate Monitoring Programme’.
Published: 22 Jun 2011
This report presents the results of the 2011 round of the ‘Northland Macroinvertebrate Monitoring Programme’.
Published: 08 Nov 2011
This report presents results of the 2013 round of the Northland Macroinvertebrate Monitoring Programme.
Published: 13 Nov 2013
An update on the current water quality state at the 35 Northland River Water Quality Monitoring Network sites and trends in water quality at 21 sites.
Published: 06 Jul 2011
Annual monitoring report on river water quality 2008-2009
Published: 17 Jun 2011
Annual monitoring report on river water quality 2006 - States and Trends
Published: 04 Jun 2007
Results of monitoring various freshwater sites around Northland in 2010 and 2012
Published: 10 Jun 2013
Results of monitoring various freshwater sites around Northland in 2008 and 2010.
Published: 23 Nov 2011
Northland Stream Habitat Assessments 2007 and comparison with 2004 and 2005.
Published: 04 Feb 2008
A summary of background water quality sampling from 2002 to 2006, as well as the rainfall, fish and macroinvertebrate monitoring.
Published: 05 Jun 2006
Water quality and land use trends in the Puwera catchment 2006-2011
Published: 12 Nov 2013
This report presents the application of the River Values Assessment System to native fisheries in rivers of the Northland Region. (May 2013).
Published: 26 Sep 2013
A snapshot on the current state of water quality and ecosystem health at monitoring sites in Northland.
Published: 23 May 2014
An update on the water quality in the Taumarere Catchment.
Published: 18 Jan 2018
This report identifies the extent and likely cause of poor water quality in the Waipu
Published: 29 May 2012
Review of water quality information for Otiria Stream, Moerewa.
Published: 03 Sep 2008