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This site was monitored by NIWA up until October 2018 and is one of the original National River Water Quality Network (NRWQN) sites dating back to 1989. It is now monitored by the Otago Regional Council.    The site is 10m upstream of the State Highway 87 bridge located south west of Sutton.

The Taharua River at Red Hut  site is a HBRC fresh water quality & ecology monitoring site

The Taharua Stream at Wairango Rd site is a HBRC fresh water quality & ecology monitoring site

The Taharua Stream at Henrys Bridge site is a HBRC fresh water quality & ecology monitoring site

The water quality site located on the Tahunaatara Stream is accessed via Ohakuri Road which is connected to State Highway 30. The sampling locality is directly below the road bridge. The substrate is predominantly hard-bottomed with rocks, gravel and cobbles with good water clarity during stable flo...

The Taieri at Linnburn Runs Road is in the upper catchment, which is popular for fishing.

The Taiari/Taieri Freshwater Management Unit (FMU) covers the entire Taieri River catchment, reaching from Taieri Mouth across the Taieri Plain into the Strath Taieri and Maniototo Basins.  The Taieri River is the fourth-longest in New Zealand. Water quality is generally good, but some lower Taieri...

The Taieri River is the fourth-longest in New Zealand. Water quality is generally good, but some lower Taieri Plain tributaries are degraded. Water quality is affected by pressures such as intensive agricultural land use, urban land uses and stream modification.

This lower catchment site on the Taieri River is located 30 m upstream of the State Highway 87 bridge. It is downstream of intensive agriculture. The Taieri is an important recreational river (bathing, fishing, rafting). This site was also monitored by NIWA up until January 2016 and is one of the or...

The Taipo Stream at Church Road site is a HBRC fresh water quality and ecology monitoring site.  Downstream an enhancement project has naturalised the stream bed, and created a wetland area with plantings.

The water quality site on the Tairua River is situated at the Morrison Bridge, Hikuai. The monitoring site has a gravel substrate and a riparian zone of predominantly exotic trees.

The water quality, flow and ecology site on the Tapu River is accessed via the Tapu-Coroglen Rd. The Tapu catchment is largely covered in native forest with the upper catchment in DoC ownership and the lower reaches private land. The Tapu River flows into the Firth of Thames and the site is located...