Abstract
Methods of charging, water use, and cost comparisons were made for municipal, irrigation, and hydropower generation uses of water. For municipal use, city size and water metering influenced per capita use, with larger cities and metered use being associated with lower per capita use. Drinking water quality (for smaller councils), demand management (for growing cities), and long-term asset management are the developing issues for municipal water supply. For irrigation, the cost of entitlements related to the age of the scheme (older schemes with capital paid off had lower costs), recent capital investment, and operating costs. Investment in irrigation schemes was being undertaken to improve reliability of supply (through storage) and water use efficiency (through conversion of flood to spray irrigation and replacing open distribution channels with pipes). Water used for hydropower generation was driven by electricity markets. Water values were imputed with rivers with multiple hydro stations, capturing more of the head in the river system having higher values.
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- 1.
Water production is the annual amount of water supplied into the water distribution system from treatment plants, bore pumping, or supplied from another council.
- 2.
Exchange rate $NZ = 0.84 $US in August 2014.
- 3.
Retitled “Water safety plans” in legislative changes in December 2013.
- 4.
Boil water notices are a formal requirement of the supply authority to notify residents of the need to boil drinking water owing to the ongoing risk of microbial contamination.
- 5.
Between 2011 and 2012 and 2012 and 2013, there have been reductions in residential, commercial, and unaccounted-for water. There has been an education program for water conservation and efficiency (Wellington City Council 2011) and leak reduction measures of zone metering, pressure management, and leak detection (Capacity Infrastructure Services 2013).
- 6.
The forum was a multi-stakeholder group (58 participating organizations) of water interests established with the support of the government “in the belief that the stakeholders needed to engage directly with each other if we were to find a way forward” (Land and Water Forum 2010).
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Acknowledgments
This chapter would not have been possible without the help from many contributors of information. The initial work and surveys were greatly assisted by Sarah Hayman, who worked on data collection as part of a university summer scholarship. Contributions through survey responses and follow-up reviews came from Tim Joyce, Sarah Stewart, Jeff Cuthbertson, David Burn, Russell Holden, Chris Stanley, Liberty Gunto, Piotr Swierczynski, Nick Urlich, Gerry Essenburg, Phil Ruffell, Marcus Koll, Rob Green, Peter Bahrs, Ramari Young, Shane Adams, Catherine Thompson, Andrew Kerr, David Payne, Andrew Curtis, Paul Reese, David Hendrikz, Ian McIndoe, Brian Smith, Chris Ellington, Brent Walton, Tony McCormick, and Gary Kelliher. Guidance from Grant Read on hydroelectricity and reviews of the draft text by Ken Taylor and Martin Ward were also most helpful.
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Jenkins, B. (2015). New Zealand Water Pricing. In: Dinar, A., Pochat, V., Albiac-Murillo, J. (eds) Water Pricing Experiences and Innovations. Global Issues in Water Policy, vol 9. Springer, Cham. https://doi.org/10.1007/978-3-319-16465-6_14
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