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Aupouri Aquifer Review (June 2015)

The Aupouri Aquifer system is located north of Kaitaia and covers approximately 788 square kilometres (78,808 ha) along the Aupouri Peninsula. The groundwater system is a valuable source of water for municipal, domestic, and stock supply, plus irrigation water for agriculture and horticulture.

The Northland Regional Council has previously commissioned and undertaken various assessments to increase understanding of the Aupouri Aquifer. Since the most recent comprehensive report of the aquifer as a whole, by HydroGeo Solutions (2000), there has been on-going groundwater level and quality monitoring and an increase in consented allocation in some areas. This report presents updated conceptual and numerical models to assess sustainable yields and groundwater level thresholds on a sub-aquifer and sub-regional basis.