Water Supply Project Reports

These are the reports of assessment, investigation and planning for Waikanae, Paraparaumu, Raumati water supply project.

GWRC Consent Application Reports | Council Reports | Dam Designation | Technical Reports | Technical Advisory Group (TAG) Reports | Supporting Documents |

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Greater Wellington Regional Council (GWRC) Consent Application Reports

The documents listed below were lodged with GWRC as part of the consent application for the Waikanae River Recharge scheme.  All document are in PDF and available for download or print from the links below: 

Volume 1: Summary Report [PDF 531 KB] (14 pages, 530Kb)

• Location Plan (1 page, 463Kb)
• Staging Plan (1 page, 389Kb)
• Concept Drawing Discharge Works (1 page, 230Kb)
• Scenario 4
  Drawdown Holocene Sand [PDF 322 KB] (1 page, 321Kb)
  Drawdown Parata Aquifer [PDF 303 KB] (1 page, 302Kb)
  Drawdown Pleistocene Sand [PDF 304 KB] (1 page, 304Kb)
  Drawdown Waimea Aquifer [PDF 303 KB] (1 page, 302Kb)
• Prediction Drawdown Effects on Identified Existing Wells (1 page, 507Kb) 

Volume 2: Assessment of Environmental Effects [PDF 1.77 MB] (85 pages, 1Mb)

• Appendix 1:
  1. Location Plan [PDF 644 KB] (1 page, 643Kb)
  2. Staging Plan [PDF 390 KB] (1 page, 389Kb)
  3. Waikanae Borefield overall plan set [PDF 529 KB] (1 page, 528Kb)
  3a. Waikanae Borefield overall plan set [PDF 418 KB] (1 page, 418Kb)
  3b. Waikanae Borefield overall plan set [PDF 592 KB] (1 page, 592Kb)
  3c. Waikanae Borefield overall plan set [PDF 548 KB] (1 page, 548Kb)
  3d. Waikanae Borefield overall plan set [PDF 421 KB] (1 page, 421Kb)
• Appendix 2: Consent Certificates
  WGN020106 [21578] [PDF 110 KB] (4 pages, 110Kb)
  WGN050024 [23848] [PDF 56 KB] (5 pages, 56Kb)
  WGN050024 [23850] [PDF 44 KB] (3 pages, 44Kb)
  WGN050025 [23852] [PDF 49 KB] (4 pages, 49Kb)
  WGN050025 [25865] [PDF 52 KB] (4 pages, 51Kb) 
• Appendix 3: Full Statutory Assessment (19 pages, 657Kb)
• Appendix 4: Proposed Conditions of Consent (17 pages, 423Kb)
• Appendix 5:
  Monitoring Manual Waikanae Borefield URS 31 March 2010 [PDF 3.58 MB] (61 pages, 3Mb)
  Ecological Monitoring Plan Waikanae River Opus June 2006 [PDF 466 KB] (15 pages, 465Kb) 
• Appendix 6: Groundwater Quality Report (12 pages, 607Kb)

Volume 3: Technical Reports

• Demand Modelling Report (35 pages, 888Kb)
• Surface Water Modelling Report (25 pages, 2Mb)
• Aquifer Testing and Groundwater Modelling Report (209 pages, 22Mb)
• NIWA Reports Volumes 3-4a:
  • Ecological Effects of Waikanae Water Treatment Plant Abstraction [PDF 700 KB] (32 pages, 700Kb)
  • Addendum to Ecological Effects of Waikanae Water Treatment Plant Abstraction [PDF 232 KB] (12 pages, 232Kb)
  • Volumes 3-4b: Effect of Groundwater Inputs on Benthic Algal Biomass and Sp [PDF 1.79 MB] (32 pages, 1Mb)
  • Volumes 3-4c: Effect of Groundwater Inputs on Benthic Algal Biomass and Sp (32 pages, 1Mb)
• Ecological Impact on Wetlands Report (38 pages, 967Kb)
• Cultural Impact Assessment Report (100 pages, 1Mb)

Volume 4:

• Preliminary Status Report (75 pages, 9Mb)
• Kapiti Option Selection Report (144 pages, 4Mb)
• Ranked Options Technical Report (231 pages, 4Mb)

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Council reports

Council reports prepared by the project team are available for review below.

• Water Supply Project - River Recharge with Groundwater Resource Consent Application (IS-12-672) [PDF 107 KB] (PDF, 10 pages, 107Kb) (September 2012)
  • Appendix 1 (PDF, 9 pages, 123Kb)
  • Appendix 2 (PDF, 5 pages, 231 Kb)
• Water Supply Project Professional Services (IS-12-543) (PDF, 4 pages, 74Kb) (June 2012)
• Water Supply Project Update (IS-11-440) (PDF, pages, 168Kb) (December 2011)
• Water Supply Project Update (IS-11-363) (PDF, 6 pages, 136Kb) (October 2011)
• Water Supply Project - River Investigation Findings (IS-11-349) [PDF 87 KB] (PDF, 4 pages, 87Kb) (September 2011)
  • Appendix (PDF, 86 pages, 2Mb)
• Water Project Update (IS-11-313) (PDF, 5 pages, 111Kb) (August 2011)
• Water Supply Project Update (IS-11-199) (PDF, 6 pages, 94Kb) (May 2011)
• Water Supply Project - Budget Reallocation (AS-10-997) (PDF, 8 pages, 90Kb) (September 2010)
• Memorandum of Understanding with Te Āti Awa ki Whakarongotai in relation to Water (SP-10-1008) (PDF, 6 pages, 115Kb) (September 2010)
• Water Supply Project - Preferred Solution (AS-10-967) (PDF, 19 pages, 595Kb) (August 2010)
• Water Supply Project - Options Shortlisting (AS-10-922) (PDF, 11 pages, 168Kb) (June 2010)
• Water Supply Project - Option Selection (DP-10-818) (PDF, 16 pages, 141Kb) (March 2010)
• Water Supply Options - Information Review (DP-09-762) [PDF 46 KB] (PDF, 5 pages, 45Kb) (December 2009)
• Water Supply Project Budget Reallocation (DP-09-763) (PDF, 12 pages, 93Kb) (December 2009)

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Dam Designation Report

Draft Notice of Requirement for a Designation by the Kāpiti Coast District Council [PDF 578 KB] (PDF, 61 pages, 577Kb)
Notice of Requirement for a Designation in the Kapiti Coast District Plan for Water Supply Purposes (Lower Maungakotukutuku Dam) under section 168A of the Resource Management Act 1991.

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Technical Reports

Council contracted the services of CH2M/Beca to investigate and assess water solution options for the Kāpiti District.  Beca reports are available for review below.

Ranked Options Reports - 6 August 2010

• Ranked Options - Summary Report [PDF 5.71 MB] (PDF, 44 pages, 5Mb)
• Ranked Options - Technical Report (PDF, 231 pages, 4Mb)
• Appendix A: Waikanae Treatment Plant Upgrade Technical Memorandum (PDF, 22 pages, 483Kb)
• Appendix B: Option Drawings [PDF 1.12 MB] (PDF, 5 pages, 1Mb)
• Appendix B: River Recharge with Groundwater [PDF 770 KB] (PDF, 3 pages, 771Kb)
• Appendix B: Storage Pond - Site 4 [PDF 4.31 MB] (PDF, 2 pages, 4Mb)
• Appendix B: Borefield and Storage - option 1 [PDF 2.17 MB] (PDF, 5 pages, 2Mb)
• Appendix B: Borefield and Storage - option 2 [PDF 2.09 MB] (PDf, 4 pages, 2Mb)
• Appendix B: Borefield and Treatment [PDF 639 KB] (PDF, 2 pages, 638Kb)
• Appendix B: Kapakapanui Dam [PDF 7.41 MB] (PDF, 6 pages, 7Mb)
• Appendix B: Ngatiawa Dam [PDF 5.46 MB] (PDF, 4 pages, 5Mb)
• Appendix B: Lower Maungatukutuku Dam (PDF, 6 pages, 6Mb)
• Appendix C: NIWA Report (PDF, 56 pages, 1Mb)
• Appendix D: Wildland Consultants' Report (PDF, 20 pages, 2Mb)
• Appendix E: Aquifer Testing and Groundwater Modelling Report [PDF 702 KB] (PDF, 20 pages, 702Kb)
  • Aquifer A to E (PDF, 26 pages, 5Mb)
  • Aquifer F to H (PDF, 15 pages, 7Mb)
  • Aquifer I to K (PDF, 10 pages, 5Mb)
• Appendix F: Preliminary Planning Assessment (PDF, 55 pages, 1Mb)
• Appendix G: Economic Analysis (PDF, 6 pages, 428Kb)
• Appendix H: Lower Maungatukutuku Geotech Feasibiltiy Interpretative Report [PDF 18.39 MB] (PDF, 90 pages, 18Mb)
  Appendix H: Lower Maungatukutuku Dam Geotechnical Report [PDF 6.99 MB] (PDF, 23 pages, 6Mb)

Options Shortlisting Report – 17 June 2010

• Executive Summary Report - Ranked Options (Option Shortlisting) Report (PDF, 36 pages, 1Mb)

Options Selection Report – 4 March 2010

• Kāpiti Coast Options Selection Report (PDF, 144 pages, 4Mb)

Information Review – 9 December 2009

• Water Supply Capacity Review and Options for Supplementary Supply - Preliminary Status Report (PDF, 75 pages, 9Mb)

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Technical Advisory Group (TAG) Reports

The establishment of TAG group is to ensure a thorough assessment of options is undertaken.  Reports prepared by the local volunteer group are available below.

• Technical Advisory Group Report [PDF 44 KB] (PDF, 10 pages, 44Kb)
• Technical Advisory Group - Interim Report (PDF, 10 pages, 107Kb) 

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