Water Supply Project Reports

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

Consent Application Reports
Council Reports
Dam Designation
Technical Reports
Technical Advisory Group (TAG) Reports
Supporting Documents
Water Supply Annual Reports

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 (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 (1 page, 321Kb)
Drawdown Parata Aquifer (1 page, 302Kb)
Drawdown Pleistocene Sand (1 page, 304Kb)
Drawdown Waimea Aquifer (1 page, 302Kb)
Prediction Drawdown Effects on Identified Existing Wells (1 page, 507Kb)

Volume 2: Assessment of Environmental Effects (85 pages, 1Mb)

Appendix 1:
1. Location Plan (1 page, 643Kb)
2. Staging Plan (1 page, 389Kb)
3. Waikanae Borefield overall plan set (1 page, 528Kb)
3a. Waikanae Borefield overall plan set (1 page, 418Kb)
3b. Waikanae Borefield overall plan set (1 page, 592Kb)
3c. Waikanae Borefield overall plan set (1 page, 548Kb)
3d. Waikanae Borefield overall plan set (1 page, 421Kb)
Appendix 2: Consent Certificates
WGN020106 [21578] (4 pages, 110Kb)
WGN050024 [23848] (5 pages, 56Kb)
WGN050024 [23850] (3 pages, 44Kb)
WGN050025 [23852] (4 pages, 49Kb)
WGN050025 [25865] (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 (61 pages, 3Mb)
Ecological Monitoring Plan Waikanae River Opus June 2006 (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 (32 pages, 700Kb)
Addendum to Ecological Effects of Waikanae Water Treatment Plant Abstraction (12 pages, 232Kb)
Volumes 3-4b: Effect of Groundwater Inputs on Benthic Algal Biomass and Sp (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.

September 2012

Water Supply Project - River Recharge with Groundwater Resource Consent Application (IS-12-672) (PDF, 10 pages, 107Kb)

Appendix 1 (PDF, 9 pages, 123Kb)
Appendix 2 (PDF, 5 pages, 231 Kb)

Dam Designation Report

Draft Notice of Requirement for a Designation by the Kāpiti Coast District Council (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

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, 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, 5 pages, 1Mb)
Appendix B: River Recharge with Groundwater (PDF, 3 pages, 771Kb)
Appendix B: Storage Pond - Site 4 (PDF, 2 pages, 4Mb)
Appendix B: Borefield and Storage - option 1 (PDF, 5 pages, 2Mb)
Appendix B: Borefield and Storage - option 2 (PDf, 4 pages, 2Mb)
Appendix B: Borefield and Treatment (PDF, 2 pages, 638Kb)
Appendix B: Kapakapanui Dam (PDF, 6 pages, 7Mb)
Appendix B: Ngatiawa Dam (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, 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, 90 pages, 18Mb)
Appendix H: Lower Maungatukutuku Dam Geotechnical Report (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, 10 pages, 44Kb)
Technical Advisory Group - Interim Report (PDF, 10 pages, 107Kb)