Ruamāhanga Whaitua presentations and reports
Information is presented regularly to our Committee to help the Committee understand the catchment better.
We've sorted this information into the following areas:
Information provided by experts on the Ruamāhanga's ecology.
The following information on ecology helps the Committee understand the catchment better:
Specific Freshwater Objectives for Fish and Mahinga Kai


date_range Published 13 Nov 2017
Download now (PDF 336 KB) get_appWorksheet used by Ruamāhanga Whaitua Committee to develop freshater objectives for periphyton and MCI


date_range Published 06 Nov 2017
Download now (PDF 203 KB) get_appSummary of periphyton results for major rivers


date_range Published 06 Nov 2017
Download now (PDF 208 KB) get_appSummary of MCI results for major rivers


date_range Published 06 Nov 2017
Download now (PDF 209 KB) get_appPeriphyton, Macroinvertebrates and Fish Predictions of the Bayesian Network Presentation


date_range Published 06 Dec 2017
Download now (PDF 774 KB) get_appSummary of predicted outcomes from ecological bayesian network


date_range Published 06 Nov 2017
Download now (PDF 657 KB) get_appMaterial from engagement with community to help development of freshwater objectives for ecological health


date_range Published 06 Nov 2017
Download now (PDF 249 KB) get_appDescribing river natural character by Richard Storey


date_range Published 01 Aug 2016
Download now (PDF 964 KB) get_appBayesian Networks: a tool to support good decision-making by Richard Storey


date_range Published 11 May 2016
Download now (PDF 395 KB) get_appBayesian Networks: A tool for making good decisions in river catchment management by Richard Storey


date_range Published 23 Mar 2016
Download now (PDF 313 KB) get_appBayesian Networks: A tool for making good decisions in river catchment managment by Richard Storey


date_range Published 23 Mar 2016
Download now (PDF 1.2 MB) get_appOur indigenous species in the Ruamahanga Whaitua summary


date_range Published 08 Sep 2014
Download now (PDF 5.9 MB) get_appBiodiversity summary


date_range Published 08 Sep 2014
Download now (PDF 4.2 MB) get_appInformation provided by experts on the Ruamāhanga's economics.
The following information on economics helps the Committee understand the catchment better:
Ruamahanga Economic Catchment Model Results

BY: Suzie Greenhalgh, Adam Daigneault & Oshadhi Samarasinghe Read more here

date_range Published 27 Nov 2017
Download now (PDF 2.9 MB) get_appNarrative for Ruamāhanga Whaitua Scenarios Economic impact on the agricultural sector


date_range Published 27 Nov 2017
Download now (PDF 527 KB) get_appRUAMĀHANGA NET FARM REVENUE BY FMU: BAU, Silver & Gold


date_range Published 27 Nov 2017
Download now (PDF 601 KB) get_appEconomic modelling - Wastewater treatment plants


date_range Published 27 Nov 2017
Download now (PDF 256 KB) get_appEconomic modelling - On-farm mitigations


date_range Published 27 Nov 2017
Download now (PDF 667 KB) get_appEconomic modelling - Irrigation reliability


date_range Published 27 Nov 2017
Download now (PDF 301 KB) get_appRuamāhanga Whaitua Economic Catchment Model, by Suzie Greenhalg


date_range Published 21 Nov 2016
Download now (PDF 1.8 MB) get_appCollaborative Modelling Project Farm-Scale Modelling by Terry Parminter for MPI and MfE


date_range Published 26 Jul 2016
Download now (PDF 734 KB) get_appRuamāhanga Economic Catchment Model by Adam Daigneault


date_range Published 04 Jul 2016
Download now (PDF 1.2 MB) get_appDraft report on the Ruamāhanga Catchment Economic Model by Adam Daigneault


date_range Published 04 Jul 2016
Download now (PDF 2.5 MB) get_appResults of on-farm modelling of mitigation options by Richard Muirhead


date_range Published 04 Jul 2016
Download now (PDF 693 KB) get_appRuamāhanga catchment economic modelling, by Jess Grinter


date_range Published 11 May 2016
Download now (PDF 134 KB) get_appMitigation options by Richard Muirhead


date_range Published 11 May 2016
Download now (PDF 1.6 MB) get_appRuamāhanga Farm-Scale Modelling, by Jess Grinter and Terry Parminter


date_range Published 11 May 2016
Download now (PDF 2.2 MB) get_appUpdated Farm-scale modelling of mitigation options by Richard Muirhead


date_range Published 09 May 2016
Download now (PDF 396 KB) get_appFarm-scale modelling of mitigation options by Richard Muirhead


date_range Published 23 Mar 2016
Download now (PDF 395 KB) get_appIdentifying Socio-economic Attributes - Landcare Research, by Adam Daigneault


date_range Published 03 Aug 2015
Download now (PDF 401 KB) get_appRuamāhanga Economic Modelling. Update to Whaitua Committee - MPI, by Darren Austin


date_range Published 03 Aug 2015
Download now (PDF 603 KB) get_appInformation provided by experts on the Ruamāhanga's groundwater.
The following information on groundwater in the region helps the Committee understand the catchment better:
Managed aquifer recharge, by Bob Bower, Golder Associates (NZ) Limited


date_range Published 16 Feb 2017
Download now (PDF 6.8 MB) get_appDraft summary report: Groundwater modelling, by Catherine Moore and Mark Gyopari


date_range Published 11 May 2016
Download now (PDF 3.6 MB) get_appGroundwater modelling of the Ruamahanga Valley: USGS MODFLOW-MT3D by Catherine Moore and Mark Gyopari


date_range Published 11 May 2016
Download now (PDF 5.8 MB) get_appGroundwater recharge and irrigation demand modelling by John Bright


date_range Published 09 Apr 2016
Download now (PDF 1.1 MB) get_appGroundwater in the Ruamāhanga Whaitua by Tessa Bunny et al


date_range Published 04 Aug 2014
Download now (PDF 1.1 MB) get_appInformation provided by experts on the Ruamāhanga's lakes.
The following information on lakes in the region helps the Committee understand the catchment better:
Worksheet used by Ruamāhanga Whaitua Committee to develop freshwater objectives for other lake attributes


date_range Published 13 Nov 2017
Download now (PDF 236 KB) get_appMonitoring data bench marks of lakes NOF ecosystem health attributes


date_range Published 13 Nov 2017
Download now (PDF 437 KB) get_appOther lake water quality modelling results


date_range Published 13 Nov 2017
Download now (PDF 1.8 MB) get_appOther lake water quality modelling results


date_range Published 13 Nov 2017
Download now (PDF 1.6 MB) get_appWorksheet used by Ruamāhanga Whaitua Committee to develop freshwater objectives for E.coli for lakes


date_range Published 06 Nov 2017
Download now (PDF 285 KB) get_appSummary of lake attributes results


date_range Published 06 Nov 2017
Download now (PDF 282 KB) get_appE.coli modelling results for lakes


date_range Published 06 Nov 2017
Download now (PDF 1.9 MB) get_appE.coli modelling results for lakes


date_range Published 06 Nov 2017
Download now (PDF 1.2 MB) get_appModelling and remote sensing of lakes Onoke and Wairarapa by University of Waikato Mathew Allen


date_range Published 11 May 2016
Download now (PDF 4.6 MB) get_appA coupled hydrodynamic-ecological model of management options for restoration of Lakes Onoke and Wairarapa by David Hamilton and Mat Allen


date_range Published 11 May 2016
Download now (PDF 570 KB) get_appLake Onoke Background and Monitoring Summary by Emily Greenberg


date_range Published 04 May 2015
Download now (PDF 272 KB) get_appThe Lake Wairarapa National Water Conservation Order by Tessa Bunny et al


date_range Published 24 Nov 2014
Download now (PDF 873 KB) get_appLake water quality in the Ruamahanga Whaitua


date_range Published 04 Aug 2017
Download now (PDF 741 KB) get_appInformation provided by experts on the Ruamāhanga's social science.
The following information on social science helps the Committee understand the catchment better:
Social assessment for Ruamāhanga Whaitua scenarios


date_range Published 27 Nov 2017
Download now (PDF 805 KB) get_appSocial narrative for Ruamāhanga Whaitua scenarios


date_range Published 27 Nov 2017
Download now (PDF 422 KB) get_appConsidering sense of place in freshwater planning, by Mark Newton and Jim Sinner


date_range Published 30 Jan 2017
Download now (PDF 778 KB) get_appConnection to water, by Jim Sinner, Margaret Kilvington and Mark Newton


date_range Published 30 Jan 2017
Download now (PDF 661 KB) get_appFollow up notes on equity considerations discussion at Committee workshop on 21.11.2016, by Jim Sinner


date_range Published 21 Nov 2016
Download now (PDF 453 KB) get_appEquity considerations in freshwater management, by Jim Sinner


date_range Published 21 Nov 2016
Download now (PDF 868 KB) get_appEquity considerations in freshwater management, by Jim Sinner


date_range Published 21 Nov 2016
Download now (PDF 868 KB) get_appSocial assessment - process and discussion of of assessment criteria, by Nick Taylor


date_range Published 21 Nov 2016
Download now (PDF 373 KB) get_appDraft Ruamāhanga Social Assessment Project 1 - Baseline information


date_range Published 21 Nov 2016
Download now (PDF 1.5 MB) get_appUnderstanding how change is motivated, by Margaret Kilvington, Will Allen and Jim Sinner


date_range Published 20 Sep 2016
Download now (PDF 3.4 MB) get_appUnderstanding what motivates change, by Margaret Kilvington, Will Allen and Jim Sinner


date_range Published 20 Sep 2016
Download now (PDF 1.5 MB) get_appBriefing on 4 projects for social science modelling by Jim Sinner


date_range Published 23 May 2016
Download now (PDF 104 KB) get_appSocial impacts, by Ra Smith


date_range Published 01 Jan 2022
Download now (PDF 5.9 MB) get_appInformation provided by experts on the Ruamāhanga's water quality.
The following information on water quality in the region helps the Committee understand the catchment better:
Summary of Ruamāhanga whaitua draft freshwater objectives for rivers and lakes


date_range Published 18 May 2018
Download now (PDF 60 KB) get_appSediment limits and targets


date_range Published 18 May 2018
Download now (PDF 37 KB) get_appDiffuse source nutrient limits and targets (un-attenuated)


date_range Published 18 May 2018
Download now (PDF 36 KB) get_appPoint source discharges - current and target allocations


date_range Published 18 May 2018
Download now (PDF 34 KB) get_appInstream nutrient concentrations and exceedance criteria for periphyton objectives


date_range Published 18 May 2018
Download now (PDF 35 KB) get_appDraft sediment and nutrient limits


date_range Published 30 Apr 2018
Download now (PDF 48 KB) get_appSediment management options for the Ruamāhanga whaitua


date_range Published 09 Apr 2018
Download now (PDF 840 KB) get_appSediment management options for the Ruamāhanga whaitua


date_range Published 09 Apr 2017
Download now (PDF 886 KB) get_appWhat mitigations are driving reductions in sediment


date_range Published 26 Mar 2018
Download now (PDF 37 KB) get_appRefresher on attributes, drivers and solutions


date_range Published 04 Dec 2017
Download now (PDF 187 KB) get_appSummary sheet of draft freshwater objectives - lakes


date_range Published 04 Dec 2017
Download now (PDF 190 KB) get_appSummary sheet of draft freshwater objectives - rivers


date_range Published 04 Dec 2017
Download now (PDF 216 KB) get_appSummary worksheet for nitrate toxicity and ammonia toxicity


date_range Published 27 Nov 2017
Download now (PDF 291 KB) get_appFact sheet - Nitrate nitrogen modelling outputs


date_range Published 27 Nov 2017
Download now (PDF 3.9 MB) get_appFact sheet - Ammoniacal nitrogen modelling outputs


date_range Published 27 Dec 2017
Download now (PDF 3.9 MB) get_appDissolved reactive phosphorus (DRP) and suspended sediment concentration (SSC) modelling outputs presentation


date_range Published 27 Dec 2017
Download now (PDF 1.1 MB) get_appEcological health summary report of modelling outputs by Jacobs


date_range Published 27 Dec 2017
Download now (PDF 8.9 MB) get_appFact sheets for first 10 sites for DIN


date_range Published 27 Nov 2017
Download now (PDF 10 MB) get_appFact sheet for remaining 10 sites for DIN


date_range Published 27 Nov 2017
Download now (PDF 10 MB) get_appDRP and SSC modelling in the Ruamāhanga whaitua


date_range Published 13 Nov 2017
Download now (PDF 1.1 MB) get_appFact sheets for first 10 sites for DRP


date_range Published 13 Nov 2017
Download now (PDF 10 MB) get_appMap of DRP modelling outputs


date_range Published 13 Nov 2017
Download now (PDF 18 MB) get_appFact sheets for first 10 sites for SSC


date_range Published 13 Nov 2017
Download now (PDF 10 MB) get_appFact sheets for remaining 10 sites for SSC


date_range Published 13 Nov 2017
Download now (PDF 10 MB) get_appMap of SSC modelling outputs


date_range Published 13 Nov 2017
Download now (PDF 18 MB) get_appUpdated draft values and objectives cascade


date_range Published 06 Nov 2017
Download now (PDF 184 KB) get_appHuman health E.coli summary presentation of modelling outputs by Jacobs


date_range Published 24 Oct 2017
Download now (PDF 1.7 MB) get_appE.coli bench marking material for major rivers


date_range Published 24 Oct 2017
Download now (PDF 39 KB) get_appE.coli bench marking and scenario summaries for major rivers


date_range Published 24 Oct 2017
Download now (PDF 39 KB) get_appMap of e-coli modelling results - simulated swimming category changes


date_range Published 24 Oct 2017
Download now (PDF 18 MB) get_appMaterial from engagement with community to help development of freshwater objectives for human health


date_range Published 24 Oct 2017
Download now (PDF 313 KB) get_appDraft values and objectives cascade - Te Mana o Ruamāhanga


date_range Published 24 Oct 2017
Download now (PDF 178 KB) get_appRuamāhanga Whaitua Committee approach to managing discharges


date_range Published 01 Jul 2017
Download now (PDF 663 KB) get_appPotential direction for management of discharges


date_range Published 03 Apr 2017
Download now (PDF 248 KB) get_appExamining options for allocating discharge limits in the Ruamahanga


date_range Published 03 Apr 2017
Download now (PDF 246 KB) get_appFarm scale planning by Richard Parkes


date_range Published 03 Apr 2017
Download now (PDF 1.9 MB) get_appLanding on management options


date_range Published 27 Mar 2017
Download now (PDF 349 KB) get_appPolicy framework


date_range Published 13 Mar 2017
Download now (PDF 201 KB) get_appExamining options for allocating discharge limits in the Ruamāhanga


date_range Published 13 Feb 2017
Download now (PDF 265 KB) get_appNutrient load modelling in the Ruamāhanga by John Bright


date_range Published 26 Jul 2016
Download now (PDF 2.6 MB) get_appNutrient load mapping by John Bright


date_range Published 11 May 2016
Download now (PDF 2.1 MB) get_appInformation provided by experts on the Ruamāhanga's water quality.
The following information on water quality in the region helps the Committee understand the catchment better:
Draft Surface hydrology in the Upper Ruamāhanga watershed by Christian Zammitt


date_range Published 11 May 2016
Download now (PDF 17 MB) get_appHydrological model for Ruamāhanga, by Christian Zammit


date_range Published 11 May 2016
Download now (PDF 3.1 MB) get_appSurface water quality modelling E.coli and sediment by Michelle Sands


date_range Published 11 May 2016
Download now (PDF 3.1 MB) get_appE. coli and sediment by Michelle Sands


date_range Published 11 May 2016
Download now (PDF 1.8 MB) get_appGaps and management options for nutrients and sediment by Murray McLea


date_range Published 07 Mar 2016
Download now (PDF 181 KB) get_appManaging pathogens


date_range Published 07 Mar 2016
Download now (PDF 367 KB) get_appCurrent management of nutrients and sediment


date_range Published 09 Feb 2016
Download now (PDF 101 KB) get_appWellington Regional Council policy approaches for managing sediment in the Ruamāhanga catchment by Andrew Stewart and Murray McLea


date_range Published 09 Feb 2016
Download now (PDF 409 KB) get_appNutrient management in the Ruamāhanga catchment by Murray McLea and Richard Parks


date_range Published 26 Jan 2016
Download now (PDF 661 KB) get_appRuamāhanga waterways - comparison with National Policy Statement for Freshwater Management Attributes


date_range Published 16 Mar 2015
Download now (PDF 1.8 MB) get_appRiver water quality and ecological health in the Ruamāhanga Whaitua by Tessa Bunny et al


date_range Published 04 Aug 2014
Download now (PDF 2 MB) get_appRiver and stream water quality and ecological health by Tessa Bunny et al


date_range Published 04 Aug 2014
Download now (PDF 3.4 MB) get_appLand use and water quality by Andrew Stewart


date_range Published 16 Jun 2014
Download now (PDF 1.4 MB) get_appLand use in the Ruamāhanga Whaitua by Andrew Stewart


date_range Published 16 Jun 2014
Download now (PDF 109 KB) get_appMangatarere Stream Catchment Water Quality Investigation by J Milne et al


date_range Published 01 Jul 2010
Download now (PDF 3.3 MB) get_appInformation provided by experts on the Ruamāhanga Whaitua process and documents developed by the Ruamāhanga Whaitua Committee.
The following information on the Whaitua process helps the Committee understand and complete the policy process better. The following information also includes documents developed by the Committee:
Presentation by RWC to community on contents of WIP at workshop


date_range Published 08 May 2018
Download now (PDF 1.8 MB) get_appPresentation by RWC to community on contents of WIP at workshops


date_range Published 01 May 2018
Download now (PDF 1.8 MB) get_appPresentation to RWC from GWRC flood protection - opportunities for whaitua implementation


date_range Published 30 Apr 2018
Download now (PDF 965 KB) get_appPresentation by RWC to stakeholders on contents of the WIP at workshop


date_range Published 24 Apr 2018
Download now (PDF 997 KB) get_appWIP Structure Presentation to RWC


date_range Published 26 Mar 2018
Download now (PDF 153 KB) get_appGetting objective


date_range Published 09 Oct 2017
Download now (PDF 981 KB) get_appWriting a good objective


date_range Published 09 Oct 2017
Download now (PDF 300 KB) get_appFeedback on discharges survey and looking to water allocation


date_range Published 09 Oct 2017
Download now (PDF 119 KB) get_appPolicy context of Ruamāhanga Whaitua Committee decisions


date_range Published 09 Oct 2017
Download now (PDF 708 KB) get_appModel - principles and values


date_range Published 25 Sep 2017
Download now (PDF 390 KB) get_appMana whenua values


date_range Published 04 Sep 2017
Download now (PDF 341 KB) get_appFreshwater management units (FMUs) for water allocation


date_range Published 01 May 2017
Download now (PDF 675 KB) get_appRuamāhanga Whaitua Committee Decision Making Document


date_range Published 01 Mar 2017
Download now (PDF 695 KB) get_appPlanning diagram


date_range Published 01 Mar 2017
Download now (PDF 282 KB) get_appQuestions the Ruamāhanga Whaitua Committee will need to answer


date_range Published 13 Feb 2017
Download now (PDF 234 KB) get_appProcess diagram - from here to the WIP - 13 February 2017 (Diagram)


date_range Published 13 Feb 2017
Download now (PDF 104 KB) get_appScenario 1 - Business as usual


date_range Published 01 Jan 2017
Download now (PDF 598 KB) get_appDefining freshwater management units for the Ruamāhanga catchment


date_range Published 01 Jan 2017
Download now (PDF 998 KB) get_appDefining a biophysical framework for freshwater management units for the Ruamāhanga Whaitua


date_range Published 01 Dec 2016
Download now (PDF 4.3 MB) get_appDiscussion and selection of policy approaches


date_range Published 08 Nov 2016
Download now (PDF 225 KB) get_appLanding management options on the ground


date_range Published 08 Nov 2016
Download now (PDF 330 KB) get_appPolicy approaches - stakeholder and community engagement


date_range Published 08 Nov 2016
Download now (PDF 225 KB) get_appRWC Gold, Silver and Bronze scenarios


date_range Published 01 Oct 2016
Download now (PDF 432 KB) get_appRecommended attributes for modelling


date_range Published 10 Oct 2016
Download now (PDF 45 KB) get_appDraft management options for Gold scenario


date_range Published 19 Sep 2016
Download now (PDF 397 KB) get_appDeveloping Scenario 1 - Business As Usual


date_range Published 05 Sep 2016
Download now (PDF 501 KB) get_appRuamāhanga Whaitua timeline - the finishing straight


date_range Published 15 Sep 2016
Download now (PDF 126 KB) get_appDesigning scenarios - Natasha Tomic and John Bright


date_range Published 15 Aug 2016
Download now (PDF 256 KB) get_appFinal vision and outcomes for the Ruamāhanga Whaitua developed by the Ruamāhanga Whaitua Committee


date_range Published 01 Jun 2016
Download now (PDF 55 KB) get_appWater management issues in the Ruamāhanga Whaitua developed by the Ruamāhanga Whaitua Committee


date_range Published 01 Jun 2016
Download now (PDF 208 KB) get_appRiver management through FMPs by Mark Hooker


date_range Published 07 Jun 2016
Download now (PDF 732 KB) get_appRiver management in the Ruamāhanga Whaitua by Hayley Vujcich


date_range Published 07 Jun 2016
Download now (PDF 346 KB) get_appRuamāhanga Collaborative Modelling Project Status Summary


date_range Published 11 May 2016
Download now (PDF 505 KB) get_appDefining a biophysical framework for FMUs of the Ruamāhanga Whaitua by Caroline Fraser


date_range Published 09 May 2016
Download now (PDF 3.9 MB) get_appUpdating the Ruamāhanga Whaitua Committee on the modelling by John Bright


date_range Published 09 May 2016
Download now (PDF 1.4 MB) get_appPolicy options and scenarios


date_range Published 23 Mar 2016
Download now (PDF 188 KB) get_appFreshwater Management Units - LWP, by Ton Snelder


date_range Published 07 Mar 2016
Download now (PDF 3.5 MB) get_appProposed Natural Resources Plan by Jonathan Streat


date_range Published 03 Aug 2015
Download now (PDF 1.8 MB) get_appModellling the Ruamāhanga - Aqualinc, by John Bright


date_range Published 03 Aug 2015
Download now (PDF 704 KB) get_appOur Ruamāhanga Whaitua Values - Interim - Presentation to the Community by the Whaitua Committee)


date_range Published 15 Jun 2015
Download now (PDF 599 KB) get_app
Information provided by experts on the Ruamāhanga Whaitua process and documents developed by the Ruamāhanga Whaitua Committee.
The following information on the Whaitua process helps the Committee understand and complete the policy process better. The following information also includes documents developed by the Committee:
Attributes by Andrew Stewart


date_range Published 15 Jun 2015
Download now (PDF 285 KB) get_appAttributes by Andrew Stewart


date_range Published 15 Jun 2015
Download now (PDF 336 KB) get_appWhaitua Introductory Briefing - Wairarapa Water Use Project, by Michael Bassett-Foss


date_range Published 15 Jun 2015
Download now (PDF 566 KB) get_appDealing with data and uncertainty - LWP Ltd, by Ton Snelder


date_range Published 15 Jun 2015
Download now (PDF 874 KB) get_appRuamāhanga Whaitua new processes and partnerships - Team Ag, by Jamie Falloon


date_range Published 16 Mar 2015
Download now (PDF 1.8 MB) get_appNational Policy Statement for Freshwater Management 2014 by Emily Greenberg


date_range Published 08 Sep 2014
Download now (PDF 337 KB) get_appMahinga Kai in Wairarapa Moana and 5 principles for the whaitua by Ra Smith


date_range Published 08 Sep 2014
Download now (PDF 293 KB) get_appLimits framework


date_range Published 16 Jun 2014
Download now (PDF 379 KB) get_appImplementing the National Policy Statement for Freshwater Management 2011 by Emily Greenberg


date_range Published 16 Jun 2014
Download now (PDF 750 KB) get_appSoils and Land Use Capability of the Ruamāhanga catchment


date_range Published 01 May 2014
Download now (PDF 522 KB) get_appHydrological systems of the Ruamāhanga catchment


date_range Published 01 May 2014
Download now (PDF 765 KB) get_appThe climate of the Ruamāhanga catchment


date_range Published 01 May 2014
Download now (PDF 570 KB) get_appThe geology of the Ruamāhanga catchment


date_range Published 01 May 2014
Download now (PDF 1 MB) get_appWairarapa Valley sub-region State of the Environment summary


date_range Published 01 Jun 2012
Download now (PDF 8.1 MB) get_appInformation provided by experts on the Ruamāhanga's water quantity.
The following information on water quantity in the region helps the Committee understand the catchment better:
Water quantity limits for the major quantity freshwater management units


date_range Published 24 May 2018
Download now (PDF 475 KB) get_appCommittee recommendations around water allocation


date_range Published 26 Mar 2018
Download now (PDF 345 KB) get_appCommittee recommendations for transitioning to higher minimum flows in the Waipoua River and Upper Ruamahanga River


date_range Published 26 Mar 2018
Download now (PDF 419 KB) get_appRaising the minimum flow on the Waingawa River


date_range Published 26 Mar 2018
Download now (PDF 280 KB) get_appOptions for transitioning to minimum flows and Category A restrictions - 12 March 2018 (Presentation)


date_range Published 12 Mar 2018
Download now (PDF 288 KB) get_appSummarising how changes in minimum flows affect municipal water takes


date_range Published 19 Feb 2016
Download now (PDF 232 KB) get_appDraft summary of notes from RWC water allocation community meetings


date_range Published 19 Feb 2018
Download now (PDF 230 KB) get_appWater Allocation wash-up


date_range Published 19 Feb 2018
Download now (PDF 141 KB) get_appNotes from RWC follow up meeting with potentially directly affected water users


date_range Published 05 Mar 2018
Download now (PDF 338 KB) get_appNotes from Ruamāhanga Whaitua Committee meeting with potentially directly affected water users


date_range Published 14 Feb 2018
Download now (PDF 241 KB) get_appNotes from Ruamāhanga Whaitua Committee meeting with potentially directly affected water users


date_range Published 12 Feb 2018
Download now (PDF 291 KB) get_appNotes from Ruamāhanga Whaitua Committee meeting with potentially directly affected water users


date_range Published 08 Feb 2018
Download now (PDF 251 KB) get_appPresentation from RWC to potentially directly affected water users at meetings


date_range Published 08 Feb 2018
Download now (PDF 680 KB) get_appLetter 2 to potentially directly affected water users from RWC


date_range Published 30 Jan 2018
Download now (PDF 278 KB) get_appLetter 1 to potentially directly affected water users from RWC - Sent 12 January 2018 (Letter)


date_range Published 12 Jan 2018
Download now (PDF 134 KB) get_appFAQs associated with letter 1 to potentially directly affected water users from RWC


date_range Published 12 Jan 2018
Download now (PDF 313 KB) get_appNarrative summary of minimum flows and allocation limits by river


date_range Published 25 Sep 2017
Download now (PDF 273 KB) get_appDraft preferences for water allocation provisions by major river


date_range Published 25 Sep 2017
Download now (PDF 750 KB) get_appManaging limits


date_range Published 25 Sep 2017
Download now (PDF 225 KB) get_appWater allocation policy package story


date_range Published 25 Sep 2017
Download now (PDF 315 KB) get_appRe-allocation at consent expiry


date_range Published 25 Sep 2017
Download now (PDF 195 KB) get_appAllocating water at consent expiry


date_range Published 25 Sep 2017
Download now (PDF 219 KB) get_appManaging Category A groundwater, municipal supply and water races at minimum flows


date_range Published 04 Sep 2017
Download now (PDF 305 KB) get_appProgressively implementing water allocation


date_range Published 04 Sep 2017
Download now (PDF 296 KB) get_appDraft minimum flow and allocation table


date_range Published 04 Sep 2017
Download now (PDF 345 KB) get_appMinimum flows in community water supply and water race rivers


date_range Published 04 Sep 2017
Download now (PDF 278 KB) get_appReliability summary for Upper Ruamāhanga and Waipoua Rivers


date_range Published 16 Aug 2017
Download now (PDF 416 KB) get_appReliability summary for Upper Ruamāhanga and Waipoua Rivers


date_range Published 14 Aug 2017
Download now (PDF 286 KB) get_appDraft minimum flow and allocation table


date_range Published 13 Aug 2017
Download now (PDF 346 KB) get_appManaging Category A groundwater, municipal supply and water races at minimum flows


date_range Published 14 Aug 2017
Download now (PDF 346 KB) get_appRe-allocation at consent expiry


date_range Published 14 Aug 2017
Download now (PDF 342 KB) get_appRe-allocating water in the Ruamāhanga Whaitua


date_range Published 31 Jul 2017
Download now (PDF 368 KB) get_appDraft Committee preferences for minimum flows and allocation limits for major Ruamāhanga rivers


date_range Published 31 Jul 2017
Download now (PDF 395 KB) get_appRecommendations for draft policy and rule preferences for PA water takes


date_range Published 26 Jun 2017
Download now (PDF 81 KB) get_appAdvice to RWC on permitted activity provisions


date_range Published 26 Jun 2017
Download now (PDF 241 KB) get_appSummary of initial water allocation modelling results


date_range Published 12 Jun 2017
Download now (PDF 92 KB) get_appInitial water allocation modelling results


date_range Published 12 Jun 2017
Download now (PDF 590 KB) get_appAllocation modelling to support RWC decision making


date_range Published 12 Jun 2017
Download now (PDF 338 KB) get_appPermitted water takes in recent plans (post NPS-FM)


date_range Published 12 Jun 2017
Download now (PDF 231 KB) get_appAdditional material for permitted activity discussion


date_range Published 12 Jun 2017
Download now (PDF 285 KB) get_appWater quantity limits, by Mike Thompson and Alton Perrie


date_range Published 22 May 2017
Download now (PDF 4.8 MB) get_appGlossary of water quantity allocation terminology


date_range Published 22 May 2017
Download now (PDF 193 KB) get_appPermitted activities one page summary


date_range Published 22 May 2017
Download now (PDF 216 KB) get_appModelling river flows


date_range Published 22 May 2017
Download now (PDF 203 KB) get_appPotential water allocation direction two page summary


date_range Published 01 May 2017
Download now (PDF 236 KB) get_appSmall stream allocation fieldtrip and workshop one page summary


date_range Published 27 Feb 2017
Download now (PDF 264 KB) get_appJoint presentation by NIWA and Cawthron on small stream allocation


date_range Published 27 Feb 2017
Download now (PDF 935 KB) get_appBackground memo to small stream allocation fieldtrip


date_range Published 27 Feb 2017
Download now (PDF 286 KB) get_appManaged aquifer recharge proposed modelling scenario


date_range Published 08 Nov 2016
Download now (PDF 983 KB) get_appRecommendations on approach to allocation option testing


date_range Published 25 Oct 2016
Download now (PDF 260 KB) get_appWater Wairarapa - Water storage scenario


date_range Published 19 Sep 2016
Download now (PDF 1.3 MB) get_appWater allocation policy at consent expiry/renewal/application


date_range Published 01 Aug 2016
Download now (PDF 345 KB) get_appConfirming the options for testing alternative minimum flow and allocation "futures"


date_range Published 25 Jul 2016
Download now (PDF 129 KB) get_appWater allocation and minimum flows by Caleb Royal


date_range Published 25 Jun 2016
Download now (PDF 6.1 MB) get_app'New Water'


date_range Published 04 Jul 2016
Download now (PDF 4.5 MB) get_appWater allocation concepts


date_range Published 04 Jul 2016
Download now (PDF 491 KB) get_appModelling Permitted Groundwater Use in the Ruamāhanga Whaitua


date_range Published 07 Jun 2016
Download now (PDF 1 MB) get_appInformation on water allocation and minimum flows provided to the Ruamāhanga Whaitua Committee


date_range Published 07 Jun 2016
Download now (PDF 843 KB) get_appThe water allocation framework


date_range Published 07 Jun 2016
Download now (PDF 1.4 MB) get_appLow flows in the Ruamahanga catchment, by Andy Duncan


date_range Published 11 May 2016
Download now (PDF 3.1 MB) get_appWater allocation concepts


date_range Published 23 May 2016
Download now (PDF 1.1 MB) get_appRe-allocating water


date_range Published 23 May 2016
Download now (PDF 111 KB) get_appConcepts for managing water allocation


date_range Published 23 May 2016
Download now (PDF 340 KB) get_appWater allocation issues


date_range Published 07 Mar 2016
Download now (PDF 147 KB) get_appWater allocation in the Proposed Natural Resources Plan


date_range Published 07 Dec 2015
Download now (PDF 1.9 MB) get_appAllocating water in the Proposed Natural Resources Plan


date_range Published 07 Dec 2015
Download now (PDF 1.7 MB) get_appWater use and allocation


date_range Published 16 Jun 2014
Download now (PDF 715 KB) get_appWater allocation in the Ruamahanga Whaitua


date_range Published 16 Jun 2014
Download now (PDF 1 MB) get_appCultural Values for Wairarapa Waterways Report by Caleb Royal


date_range Published 01 Jan 2011
Download now (PDF 2.2 MB) get_appThe Ruamāhanga Whaitua Committee is considering many strands of knowledge. The following information and independent expert advice are part of that collective knowledge.
Please note, the technical reports below are pending third party review.
Ruamāhanga catchment - Assessment of background instream nutrient yields

Prepared for GWRC by Jacobs Read more here

date_range Published 01 Oct 2018
Download now (PDF 1.2 MB) get_appRuamāhanga catchment modelling - Water quality freshwater objectives and load setting

Prepared for GWRC by Jacobs Read more here

date_range Published 01 Aug 2018
Download now (PDF 1.3 MB) get_appComment on the minimum flow setting in the Ruamāhanga Whaitua

Prepared by Mike Thompson, GWRC Read more here

date_range Published 01 Jun 2018
Download now (PDF 306 KB) get_appExample scenario calculation - using NO3-N

Table example prepared by Jacobs (Links with report titled 'Ruamāhanga Catchment Modelling - Water quality freshwater objectives and load setting' by Jacobs) Read more here

date_range Published 01 May 2018
Download now (PDF 193 KB) get_appSetting nutrient criteria to achieve desired community periphyton biomass attribute states at Ruamāhanga reporting sites

Prepared by Mark Heath, Environmental Science department, GWRC Read more here

date_range Published 01 Jan 2018
Download now (PDF 540 KB) get_appA coupled hydrodynamic-ecological model to test management options for restoration of lakes Onoke and Wairarapa

Prepared for GWRC by Environmental Research Institute University of Waikato Read more here

date_range Published 01 Apr 2018
Download now (PDF 6.3 MB) get_appWater quality modelling of the Ruamāhanga catchment - Baseline and calibration

Prepared for GWRC by Jacobs Read more here

date_range Published 01 Mar 2018
Download now (PDF 6.1 MB) get_appWater quality modelling in the Ruamāhanga catchment - Scenario modelling

Prepared for GWRC by Jacobs Read more here

date_range Published 01 May 2018
Download now (PDF 3 MB) get_appEconomic assessment of scenarios for Ruamāhanga Whaitua Collaborative Modelling Project

Prepared for GWRC by Landcare Research Read more here

date_range Published 01 Apr 2018
Download now (PDF 1.9 MB) get_appWairarapa Flow Regimes - Economic impact assessment of draft Plan changes

Link to report prepared in July 2015 for GWRC by LWP as part of the draft Natural Resources Plan process Read more here

date_range Published 01 Jul 2015
Download now (PDF 665 KB) get_appRuamāhanga Social Assessment Report

Prepared for GWRC by Nick Taylor and Associates Read more here

date_range Published 01 Dec 2017
Download now (PDF 2.9 MB) get_appMinimum flow and allocation options for the Ruamāhanga River and major tributaries

Prepared by Mike Thompson, Environmental Science Department, GWRC Read more here

date_range Published 01 Apr 2018
Download now (PDF 3.3 MB) get_appFarm-Scale Modelling Report Ruamāhanga Whaitua Collaborative Modelling project

Prepared for Ministry of Primary Industries by T Parminter & J Grinter Read more here

date_range Published 01 Jul 2016
Download now (PDF 5.9 MB) get_appSupplement to the Farm-Scale Modelling Report

Prepared for GWRC by T Parminter Read more here

date_range Published 01 Dec 2016
Download now (PDF 1.3 MB) get_appModelling Farm-Scale Mitigation Options for the Ruamāhanga Whaitua Collaborative Modelling Project

Prepared for Ministry of Primary Industries by R Muirhead, Ag Research Read more here

date_range Published 01 Jun 2016
Download now (PDF 557 KB) get_appNutrient Load Mapping Methodology

Prepared for GWRC by J Bright, Aqualinc Read more here

date_range Published 01 Nov 2016
Download now (PDF 1.4 MB) get_appImpact of Climate Change on Inflows to the Ruamāhanga Groundwater Management Zone

Prepared for GWRC by Christian Zammit, NIWA Read more here

date_range Published 01 Feb 2017
Download now (PDF 1.4 MB) get_appSurface Hydrology in the Ruamāhanga Hill Country Catchment

Prepared for GWRC by Christian Zammit, NIWA Read more here

date_range Published 01 May 2017
Download now (PDF 4.3 MB) get_appManaged Aquifer Recharge: Exploration Scenario Modelling

Prepared for GWRC by Mark Gyopari, Earth in Mind Read more here

date_range Published 01 Jul 2017
Download now (PDF 2.8 MB) get_appGroundwater Recharge and Irrigation Demand Modelling Ruamāhanga Collaborative Modelling Project

Prepared for GWRC by J Bright, J Weir, & A Dark, Aqualinc Read more here

date_range Published 01 Dec 2017
Download now (PDF 8.5 MB) get_appRuamāhanga Catchment Groundwater Modelling

Prepared for GWRC by C Moore, M Gyopari, M Toes, & D Mzila, GNS Read more here

date_range Published 01 Oct 2017
Download now (PDF 23 MB) get_appResults of Ruamāhanga Groundwater Flow and Transport Modelling for the Ruamāhanga Whaitua Committee: Business as Usual, Silver and Gold Scenarios

Prepared for GWRC by ZI Rawlinson, C Moore, M Gyopari, & M Toes, GNS Read more here

date_range Published 01 Nov 2017
Download now (PDF 22 MB) get_appEffects of Land and Water Management on Ecological Aspects of Major Rivers

Prepared for GWRC by R Storey, S Wood, M Hicks, & A Perrie, NIWA Read more here

date_range Published 01 Sep 2017
Download now (PDF 4.9 MB) get_appGet in touch
- Phone:
- 0800496734
- Email:
- info@gw.govt.nz