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This site is monitored by NIWA and is one of the original National River Water Quality Network (NRWQN) sites dating back to 1989. 

This site is monitored by NIWA and is one of the original National River Water Quality Network (NRWQN) sites dating back to 1989. 

Grovetown Lagoon is located in the lower Wairau Plain, a short distance from Blenheim. It is an oxbow lake, formed when a meander of the Wairau River was cut off from the main river during a flood in 1861. The lake remains connected to the river through two floodgates, with stop banks preventing uni...

TDC monitoring bore on Council owned land and one of the two bores for the Murchison township urban water supply. The bore is in the Buller River Gravel Unconfined Aquifer which underlies much of the inland valley's in the upper Buller area. In this area the basement is mudstone  This is a shallow a...

TDC monitoring site from a private bore in Tapawera. This area is an inland valley with an alluvial plain underlain by the Motueka River Gravel Aquifer. The aquifer is unconfined and is up to 10 m thick. This bore is for monitoring long term groundwater quality in the Tapawera Plains area. Water sup...

TDC monitoring site taken from a private irrigation bore upstream of the Motueka township which is a significant horticultural area.  The Motueka Gravel Aquifer can be up to 22 m thick. This bore taps the deeper part (semiconfined) of the aquifer and is for long term monitoring in this locality.  Th...

This site is monitored by NIWA and is one of the original National River Water Quality Network (NRWQN) sites dating back to 1989. 

The Hakataramea River is a hill-fed stream near Kurow and the Waitaki River.  Recreational water quality is monitored near the SH82 bridge. This site was historically monitored by NIWA and was taken over by Environment Canterbury in 2024.

Site is located in the Gisborne Region but drains into the Hawkes Bay Region, eventually draining into the Wairoa River. Hawkes Bay Regional Council monitor scientific water quality parameters and hydrology data. For Scientific and water quantity data, see Hawkes Bay region.  

The Hangaroa River at Donneraille Park site is a HBRC fresh water quality & ecology monitoring site.

The Hāpuku River is located in the Kaikoura zone and is situated between the Pacific Ocean and the Inland Kaikoura ranges.   The river catchment has a mild maritime climate and high sunshine hours with an average annual rainfall that ranges from 1750mm in the headwaters to 844 mm by the coast.  The...

The Hātea River begins as the Waitaua Stream just north of Kamo, and flows southeast through Tikipunga and Mair Park into Whangarei Harbour. This short river, 17 km long, has a mixture of land uses in the catchment including urban, native forest and pastoral land.