Analysis of solid waste streams in Hauraki district
The Local Government Act 1996 requires local territorial authorities to take responsibility for waste management within their boundaries. District councils are required to promote effective and efficient waste management while having regard for the environment and economic costs and benefits for the district.
To better fulfil its obligations under the Act, in April 2006 Hauraki District Council, with financial assistance from Environment Waikato, commissioned Waste Not Consulting to undertake two projects – an analysis of the composition of domestic kerbside bagged refuse collected by the council and a district-wide waste survey. The audit of domestic kerbside bagged refuse was completed in May 2006. Previous waste surveys, at council’s refuse transfer stations (RTS) in Paeroa and Waihi, had been conducted by Waste Not Consulting in 2004.
The objective of the district-wide waste survey, reported on in this document, is to quantify as accurately as possible all solid waste generated within Hauraki district and disposed of to landfill. The survey is a desk top exercise, based on compiling data from a range of sources and combining the data to produce estimates of the size and composition of the different waste streams.
To supplement the existing data, a survey form was sent to all of the waste operators known to be operating in the region. The survey sought information on the total quantity of waste collected in Hauraki district, the quantity of domestic kerbside refuse collected, and the quantity of waste not disposed of at Tirohia landfill.
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|1.1||Overview of waste services in Hauraki district|
|2||Summary of existing data|
|2.1||Domestic kerbside bagged refuse|
|2.1.1||Primary composition of Hauraki district domestic kerbside refuse|
|2.2||Paeroa refuse transfer station|
|2.3||Waihi refuse transfer station|
|2.4||Survey of waste operators|
|2.5||General waste direct to Tirohia landfill|
|2.6.2||Wastewater treatment plant screenings|
|3||Overall waste flows in Hauraki district|
|3.1||Sources and tonnage of waste into Tirohia landfill|
|3.2||Composition of waste into Tirohia landfill from Hauraki district|
|4||Discussion and analysis|
|4.1||Per capita generation of domestic refuse|
|4.2||Per capita generation of waste to landfill|
|4.3||Comparison with other districts|
|Appendix I:||Composition of domestic refuse|
|Appendix II:||Paeroa RTS general waste|
|Appendix III:||Waihi RTS waste|
|Appendix IV:||Letter to waste operators|
|Appendix V:||Assumed composition of commercial waste|
|Appendix VI:||Overall waste to landfill - 2006|