Resource Library

Agrichemicals in surface water risk assessment

A Risk Assessment of Potential Contamination of Surface Water by Agrichemicals in Northland

Date Published: 04 February 2008

Biosecurity status of non-native freshwater fish species in Northland

A report on introduced freshwater fish currently occurring in Northland.

Date Published: 23 February 2016

Flow requirements for instream habitat in Northland

A report on the instream physical habitat modelling using the River Hydraulic Habitat Simulation model for the Waitangi, Mangere and Hatea catchments.

Date Published: 08 March 2016

Macroinvertebrate Biotic Indices for Northland

This report is the Macroinvertebrate Biotic Indices for the Northland Region prepared for the Northland Regional Council by John D Stark, Stark Environmental.

June 2014

Date Published: 30 July 2014

Macroinvertebrate Monitoring Report 2008

This report presents the results of the 2008 round of the ‘Northland Macroinvertebrate Monitoring Programme’, carried out by NorthTec (Applied & Environmental Sciences Department) for the Northland Regional Council.

Date Published: 22 June 2011

Macroinvertebrate Monitoring Report 2009

This report presents the results of the 2009 round of the ‘Northland Macroinvertebrate Monitoring Programme’, carried out by Pohe Environmental for the Northland Regional Council.

Date Published: 22 June 2011

Macroinvertebrate Monitoring Report 2010

This report presents the results of the 2010 round of the ‘Northland Macroinvertebrate Monitoring Programme’, carried out by Pohe Environmental for the Northland Regional Council.

Date Published: 22 June 2011

Macroinvertebrate Monitoring Report 2011

This report presents the results of the 2011 round of the ‘Northland Macroinvertebrate Monitoring Programme’, carried out by Pohe Environmental for the Northland Regional Council.

Date Published: 08 November 2011

Northland Macroinvertebrate Monitoring Report 2012

This report presents results of the 2012 round of the Northland Macroinvertebrate Monitoring Programme.

Date Published: 13 November 2013

Northland Macroinvertebrate Monitoring Report 2013

This report presents results of the 2013 round of the Northland Macroinvertebrate Monitoring Programme.

Date Published: 13 November 2013

Northland River Water Quality Monitoring Network - 2010 State and Trends

A report on the state of water quality in Northland rivers during 2009-2010.

2010

Date Published: 06 July 2011

Northland River Water Quality Monitoring Network Report: 2008-2009

A report on the state of water quality in Northland rivers during 2008-2009.

2008

Date Published: 17 June 2011

Northland River Water Quality Monitoring Network: 2006 State and Trends

2006

Date Published: 04 June 2007

Northland Rivers Habitat Assessment 2012

Results of monitoring various freshwater sites around Northland in 2010 and 2012.

2012

Date Published: 10 June 2013

Northland Rivers Habitat Assessments 2008-2010

Results of monitoring various freshwater sites around Northland in 2008 and 2010.

2008 and 2010

Date Published: 23 November 2011

Northland Stream Habitat Assessments 2007

This report presents results of monitoring work carried out by Northland Regional Council at various freshwater sites around Northland.

Date Published: 04 February 2008

Otarao Catchment Water Quality Study

This report is a summary of the first four years of background water quality sampling for the Otarao catchment from July 2002 to June 2006, as well as the rainfall, fish and macroinvertebrate monitoring.

Date Published: 05 June 2006

Puwera Catchment Report 2006-2011

This document is the Water quality and land use trends in the Puwera catchment 2006-2011.

July 2012

Date Published: 12 November 2013

River Values Assessment System (RiVAS) Reports

A tool that has been developed to help councils rank the relative significance of rivers in their region in relation to a specific use or value.

Date Published: 26 September 2013

River Water Quality and Ecology in Northland - States and Trends 2007-2011

This document is the River Water Quality and Ecology in Northland - States and Trends 2007-2011.

Date Published: 23 May 2014

Taumarere Catchment Water Quality Update 2016

This report provides an update on the water quality in the Taumarere Catchment.

October 2016

Date Published: 18 January 2018

Waipu Catchment Water Quality 2007-2011

This report identifies the extent and likely cause of poor water quality in the Waipu

March 2012

Date Published: 29 May 2012

Water Quality Information for Otiria Stream

Water Quality Information for Otiria Stream

August 2008

Date Published: 03 September 2008