Hutt Valley
There are two major groundwater zones in the Hutt Valley; the Lower Hutt groundwater zone and the Upper Hutt groundwater zone.
Greater Wellington monitors levels in both zones at various levels and in different aquifers.

There are two major groundwater zones in the Hutt Valley; the Lower Hutt groundwater zone and the Upper Hutt groundwater zone.
Greater Wellington monitors levels in both zones at various levels and in different aquifers.

