Whaitua te Whanganui-a-Tara technical reports
The Whaitua te Whanganui-a-Tara Committee is giving careful consideration to the views and knowledge of many different people in the community, whānau, industry, technical advisors, council officials and government agencies. The following information and independent expert advice are part of that collective knowledge.
Whaitua Te Whanganui-a-Tara Water Quality and Ecology Scenario Assessment
The purpose of the report is to:
Describe the process undertaken by the Freshwater Quality and Ecology Expert Panel to assess water quality and ecology under climate change and three management…
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date_range Published 24 Sep 2020
Download now (PDF 5.4 MB) get_appAn overview of the Wellington City, Hutt Valley and Wainuiomata Wastewater and Stormwater networks and considerations of scenarios that were assessed to improve water quality
PREPARED BY: James Blyth - Collaborations Contractor for Greater Wellington Regional Council (GWRC)
REVIEWED BY: GWRC and Wellington Water Limited
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date_range Published 15 Jun 2020
Download now (PDF 5.2 MB) get_appOverview of the Wellington metropolitan water supply network and consideration of future pressures on infrastructure
PREPARED BY: J Blyth and G Williams
REVIEWED BY: Wellington Water and Greater Wellington Regional Council staff
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date_range Published 12 Jun 2020
Download now (PDF 3 MB) get_appFlow and Allocation Expert Panel Report: Ecological health impacts of different river water abstraction regime scenarios for the Te Awa Kairangi, Wainuiomata and Orongorongo
PREPARED BY: Mike Thompson, Dr Joanne Clapcott, Dr Robin Holmes, Dr Paul Franklin & Dr Mark Heath. Read more here
date_range Published 02 May 2022
Download now (PDF 3.2 MB) get_appFlow and Allocation Advisory Panel summary report: Ecological health impacts of different river water abstraction regime scenarios for the Te Awa Kairangi, Wainuiomata and Orongorongo
PREPARED BY: Mike Thompson, Dr Joanne Clapcott, Dr Robin Holmes, Dr Paul Franklin & Dr Mark Heath. Read more here
date_range Published 02 May 2022
Download now (PDF 2.8 MB) get_appCoastal habitat vulnerability and ecological condition
PREPARED BY: Leigh Stevens (Salt Ecology) Read more here
date_range Published 01 Aug 2018
Download now (PDF 3 MB) get_appRiver and stream water quality and ecology
PREPARED BY: Michael Greer & Olivier Ausseil (Aquanet Consulting Limited) Read more here
date_range Published 30 Oct 2018
Download now (PDF 3.8 MB) get_appSummary of Septic Tanks and their potential impacts
PREPARED BY: James Blyth Read more here
date_range Published 14 Oct 2019
Download now (PDF 669 KB) get_appEcological assessment of the Parangarahu Lakes
PREPARED BY: Marc Schallenberg (PhD) (Hydrosphere Research Ltd.) Read more here
date_range Published 18 Nov 2019
Download now (PDF 938 KB) get_appTe Whanganui-a-Tara Permitted Takes Water Assessment
PREPARED BY: Tom Nation, Taylor Collaborations.
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date_range Published 20 Dec 2019
Download now (PDF 1.9 MB) get_appdSedNet model development and results
PREPARED BY: Stuart Easton & Lydia Cetin. Read more here
date_range Published 07 Feb 2020
Download now (PDF 1.2 MB) get_appContaminant Load Model Development
PREPARED BY: Stuart Easton & Oliver Hopkinson Read more here
date_range Published 07 Feb 2020
Download now (PDF 882 KB) get_appProxy Modelling Catchment Assessment
PREPARED BY: James Blyth (Environmental Science Department) Read more here
date_range Published 01 Feb 2020
Download now (PDF 1.6 MB) get_appProxy Modelling Catchment Assessment: Addendum
PREPARED BY: James Blyth Read more here
date_range Published 12 Mar 2020
Download now (PDF 422 KB) get_appA REVIEW OF THE EFFECT OF WATER ABSTRACTIONS ON WELLINGTON RIVERS
PREPARED BY: Joanne Clapcott (Cawthron) Read more here
date_range Published 07 Feb 2020
Download now (PDF 599 KB) get_appWastewater Network Condition and Overflows by Subcatchment
PREPARED BY: GWRC Project Team Read more here
date_range Published 17 Aug 2021
Download now (PDF 1.5 MB) get_appClimate change and variability - Wellington Region
PREAPARED FOR: Greater Wellington Regional Council
PREPARED BY: NIWA
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date_range Published 01 Jun 2017
Download now (PDF 19 MB) get_appThe potential effects of climate change on flood frequency in the Hutt River
PREPARED FOR: Prepared for the New Zealand Climate Change Research Institute Victoria University Wellington
PREPARED BY: John Ballinger, Bethanna Jackson, Andy Reisinger & Kristin Stokes
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date_range Published 01 Oct 2011
Download now (PDF 2.6 MB) get_appOwhiro Stream and its catchment: Summary of existing water quality and freshwater ecology information & recommendations for future monitoring
PREPARED FOR: Greater Wellington Regional Council
PREPARED BY: Aquanet Consulting Ltd.
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date_range Published 01 Jan 2019
Download now (PDF 1.9 MB) get_appTe Awarua-o-Porirua Collaborative Modelling Project Customization of urban contaminant load model and estimation of contaminant loads from sources excluded from the core models
PREPARED FOR: Greater Wellington Regional Council
PREPARED BY: Jonathan Moores & Jennifer Gadd (NIWA), Stuart Easton, & Michelle Sands (Jacobs New Zealand Ltd.)
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date_range Published 01 Mar 2017
Download now (PDF 1.5 MB) get_appWSUD Case Study: TALBOT PARK
PREPARED BY: Activating WSUD Aotearoa Read more here
date_range Published 01 Mar 2019
Download now (PDF 1.3 MB) get_appWSUD Case Study: Kirimoko Park
PREPARED BY: Activating WSUD Aotearoa Read more here
date_range Published 01 Mar 2019
Download now (PDF 1.2 MB) get_appAssessing the Full Benefits of WSUD
PREPARED BY: Jonathan Moores & Chris Batstone (Activating WSUD Aotearoa) Read more here
date_range Published 01 Apr 2019
Download now (PDF 2.2 MB) get_appEFFECT OF WATER SENSITIVE URBAN DESIGN SOLUTIONS AND GREEN SPACE ON PROPERTY VALUES: A LITERATURE REVIEW
PREPARED BY: Sue Ira, Koru Environmental Consultants Ltd on behalf of Greater Wellington Regional Council Read more here
date_range Published 15 Sep 2017
Download now (PDF 5.5 MB) get_appSummary of potential solutions available for stormwater, wastewater and water supply provision
PREPARED BY: Prepared by Sue Ira, Koru Environmental Consultants Ltd on behalf of Greater Wellington Regional Council Read more here
date_range Published 01 May 2017
Download now (PDF 3.1 MB) get_appStormwater contaminants in urban streams in the Wellington region
PREPARED BY: J R Milne &L Watts (Greater Wellington Regional Council) Read more here
date_range Published 01 Jun 2008
Download now (PDF 862 KB) get_appThe potential impacts of sediment from forest activities on water quality, biodiversity and ecosystem health of Gisborne streams and rivers - Russell Death, Massey University, December 2018
Urban Streams Water Quality State and Trends - NIWA, June 2016
Effects of Flood Protection Activities on Aquatic and Riparian Ecology in the Hutt River
PREPARED BY: David Cameron (MWH) for the Greater Wellington Council Read more here
date_range Published 01 Dec 2016
Download now (PDF 13 MB) get_appProposed Natural Resources Plan: Decisions Version Schedules
PREPARED BY: Greater Wellington Regional Council Read more here
date_range Published 01 Jul 2019
Download now (PDF 3.5 MB) get_appWhaitua Catchments Climate Change parameters
PREPARED BY: NIWA Read more here
date_range Published 01 Jan 2017
Download now (PDF 383 KB) get_appThe Pakuratahi Land Use Study - Hawkes Bay Regional Council, June 2006
Porirua Whaitua Collaborative Modelling Project
PREPARED BY: James Blyth (Jacobs New Zealand Ltd.) Read more here
date_range Published 15 Mar 2019
Download now (PDF 5.2 MB) get_appECOLOGICAL ASSESSMENT OF OWHIRO STREAM AND TRIBUTARY AT T&T LANDFILL
PREPARED FOR: T & T Landfills Limited.
PREPARED BY: David Cameron
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date_range Published 01 Mar 2017
Download now (PDF 3.5 MB) get_appWater Quality in New Zealand Rivers: Modelled Water Quality State - NIWA, March 2017
Nutrient concentration targets to achieve periphyton biomass objectives incorporating uncertainties - Tom Snelder, GNS Science, December 2018
Te Awarua-o-Porirua Collaborative Modelling Project: Urban Hydrology Modelling
PREPARED FOR: Greater Wellington Regional Council
PREPARED BY: Morphum Environmental Ltd.
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date_range Published 01 Nov 2017
Download now (PDF 2.4 MB) get_appStrategic assessment of New Zealand’s freshwaters for recreational use: a human health perspective: Escherichia coli in rivers and planktonic cyanobacteria in lakes - Cawthron and LWP, September 2016
Regional information for setting draft targets for swimmable lakes and rivers: A report on work underway to improve water quality in terms of effects on human health - Ministry for the Environment, March 2018
TECHNICAL REPORT OF MACROINVERTEBRATE COMMUNITY INDEX PREDICTIONS FOR THE WELLINGTON REGION
REPORT NO. 2503
Greater Wellington Regional Council (GWRC) is currently reviewing its five regional plans and is developing a single new integrated plan for the Wellington region. A discussion document (Regional…
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date_range Published 16 May 2014
Download now (PDF 1.1 MB) get_appBenthic cyanobacteria blooms in rivers in the Wellington Region: Findings from a decade of monitoring and research
PREPARED BY: MW Heath & S Greenfield (Environmental Science Department) Read more here
date_range Published 01 Jun 2017
Download now (PDF 3.6 MB) get_appTechnical report on developing a deposited sediment classification for New Zealand streams - Cawthron, March 2017
Te Awarua-o-Porirua information on fresh water current state and scenario results: E. coli
PREPARED BY: Brent King Read more here
date_range Published 19 Apr 2018
Download now (PDF 345 KB) get_appReview of Riparian Buffer Zone Effectiveness
PREPARED BY: Stephanie Parkyn (NIWA) Read more here
date_range Published 01 Sep 2004
Download now (PDF 1 MB) get_appA guide for assessing effects of urbanisation on flow-related stream habitat
PREPARED BY: Sandy Elliott, Ian Jowett, Alistair Suren & Jody Richardson (NIWA) Read more here
date_range Published 01 Jan 2004
Download now (PDF 1.3 MB) get_appDevelopment of habitat suitability criteria and in-stream habitat assessment for the benthic cyanobateria phormidium - Heath et al, 2013
Hydraulic Habitat of Plants in Streams - Barry Biggs, 1996
Hydraulic Habitat Suitability for Periphyton - Biggs and Stokseth, 1996
Effects of Flood Protection Activities on Aquatic and Riparian Ecology in the Wainuiomata River
PREPARED BY: David Cameron (Greater Wellington Regional Council (Flood Protection)) Read more here
date_range Published 21 Dec 2016
Download now (PDF 9.7 MB) get_appAssessment of potential effects on instream habitat with reduced flows in the Hutt River at Kaitoke
PREPARED FOR: Greater Wellington Water
PREPARED BY: Dr Henry R Hudson (Environmental Management Associates)
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date_range Published 01 Jun 2010
Download now (PDF 3.3 MB) get_appGroundwater Nitrate Trend Analysis Report
PREPARED BY: Tim Baker (GWRC Environmental Science Department) Read more here
date_range Published 01 May 2017
Download now (PDF 1.6 MB) get_appMind the stream: A guide to looking after urban and rural streams in the Wellington region
PREPARED BY: Greater Wellington Regional Council Read more here
date_range Published 02 May 2022
Download now (PDF 2.2 MB) get_appEcological health of rivers and streams in the Wellington Region: An assessment of the current state of habitat, periphyton, macroinvertebrate and fish communities
PREPARED BY: Alton Perrie, Ashley Mitchell, Evan Harrison, Shyam Morar & Mark Heath (Environmental Science Department GWRC) Read more here
date_range Published 01 Jul 2020
Download now (PDF 1.8 MB) get_appGet in touch
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- Email:
- info@gw.govt.nz