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  1. Environment »
  2. Water »
  3. Groundwater

Groundwater is rainwater that has travelled through the soil to underground aquifers. Aquifers are areas of fractured rocks or porous sediments such as sand and gravel.

Groundwater makes up about 90 percent of the Waikato region’s fresh water resource. Wells are drilled to pump groundwater from aquifers, and we use it for drinking, in industry, agriculture and horticulture. Waikato Regional Council regularly monitors and reports on the quality and availability of our region's groundwater.

Find out more about our groundwater monitoring programmes

Our groundwater resource

The hydrogeological setting of an area has a lot of impact on the use and quality of local groundwater. Find out a little more about groundwater resources around our region.

Groundwater contaminants

Threats to our groundwater quality come from many sources,and contaminated groundwater can endanger people’s health and the environment. Learn more about some of the more common sources.

Monitoring and reporting

Waikato Regional Council regularly monitors and reports on the quality and availability of our region's groundwater. You can get our latest monitoring results.
Bores (wells)