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Proposed National Environmental Standard for On-site Wastewater Systems: Discussion Document

Executive Summary

1 Introduction

2 What are On-site Wastewater Treatment Systems?

3 What is the Problem?

4 What are the Options?

5 The Proposed Standard

6 Implementing the Proposed Standard

7 Costs and Benefits of the Proposed Standard

8 What Happens Next?

Questions

Appendix 1: Definitions

Appendix 2: Current Consent Status and Provisions for Maintenance and Inspection of On-site Wastewater Systems

Appendix 3: Basic Outline for a Risk-based Methodology to Identify Targeted Areas

Appendix 4: WasteTRACK

Appendix 5: List of Participants in 2006/2007 Working Group

Appendix 6: Things You Need to Know About Your Septic System

Appendix 7: Key Components of an Inspection Checklist

References

References

COVEC Ltd. 2007. Preliminary Cost Benefit Analysis: National Environmental Standard for On-site Wastewater Systems, unpublished. Prepared for the Ministry for the Environment: Wellington.

Duffill Watts & King Ltd, Kingett Mitchell Ltd, Ian Gunn of Auckland UniServices Ltd. 2005. Issues and Options for the Management of On-site Wastewater Systems in New Zealand. Report prepared for the Ministry for the Environment: Wellington.

Environment Bay of Plenty. 2008. Rotorua Lakes – Lake water quality. Web page: http://www.envbop.govt.nz/Water/Lakes/Rotorua-Lakes.asp Environment Bay of Plenty.

Environment Canterbury. 2002. Nitrate Concentrations in Canterbury Groundwater: A Review of Existing Data. Environment Canterbury: Christchurch.

EMS (Environmental Management Services Limited). 2007. Incidence and Effects of On-Site Wastewater Treatment System Failures in New Zealand, unpublished. Prepared for the Ministry for the Environment: Wellington.

Graham and Futter. 2002. Survey of 3,251 on-site wastewater systems in the Bay of Plenty region, unpublished.

Ministry for the Environment. 2003. Sustainable Wastewater Management: A Handbook for Smaller Communities. Ministry for the Environment: Wellington.

Ministry for the Environment. 2006. State and Trends in the National River Water Quality Network (1989–2005). Ministry for the Environment: Wellington.

Ministry for the Environment. 2007. Environment New Zealand 2007. Ministry for the Environment: Wellington.

Ministry of Health. 2001. Community Sewage Survey 2000. Community Sewage Database 2001, unpublished.

New South Wales Department of Local Government. 2007. Septic Safe. Web page: http://www.dlg.nsw.gov.au/DLG/DLGHome/dlg_InformationIndex.asp?areaindex=SEPTIC&index=150 New South Wales Government.

New Zealand Water and Wastes Association and Ministry for the Environment. 2006. The Story of Your Septic Tank System. New Zealand Water and Wastes Association: Wellington.

Ormiston Associates Ltd. 2007. Assessment of Clevedon Village On-site Wastewater Disposal Systems, Clevedon Village. Manukau, unpublished. Prepared for Auckland Regional Council: Auckland.

Rotorua District Council. [No date.] Rotorua Lakeside Community Sewerage Scheme Funding Proposal, unpublished. Prepared for Rotorua District Council: Rotorua.

Tang S. 2007. The Potential Impact of On-site Wastewater Disposal on Waiheke Water Environment. Dissertation. School of Population Health. University of Auckland: Auckland.

Taranaki Regional Council, New Plymouth District Council, Stratford District Council and South Taranaki District Council. 2006. Looking After Your Household Sewerage System, unpublished. Prepared for Taranaki Regional Council: Stratford.

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