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Kapiti Coast District Council

Case study for students: Meeting demand for drinking water.
Water source Surface water and groundwater
Ability to manage supply to meet demand Adequate
Forecasting future demand Forecasting is adequate but data could be improved. (Using water-production data in place of water-use data risks overstating demand because it doesn't take account of leaks.)
The existing supply is generally sufficient to meet projected demand, but summer demand in 2015/16 is projected to exceed the amount that can be taken under resource consents.
Planning to meet future demand Planning is satisfactory, but implementation (for example, of demand strategies) is sometimes affected by policy changes.
The council has decided to increase supply, which will require investment in new or upgraded infrastructure. It is looking for new water sources. It has only recently started to focus on making the existing supply system more efficient.
Demand strategies include voluntary conservation, education and water restrictions when necessary. The council is investigating water metering and developing other strategies (for example, new houses will be required to have rainwater tanks and/or wastewater systems).
Quality of drinking water Ungraded in 2010.
Compliance with 2007 standards requires upgraded infrastructure (UV treatment).

Water-quality grades: A = completely satisfactory, B = satisfactory, C = marginally satisfactory, D = unsatisfactory, E = unacceptable