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This site was monitored by NIWA until March 2024 and is one of the original National River Water Quality Network (NRWQN) sites, with records dating back to 1989.  

The Tukituki River at SH 2 bridge is a popular trout fishing location, and is enjoyed by swimmers and other recreational users in the summer.

The Tukituki River at Waipuk-Onga Road site is a Regional Council freshwater and ecology monitoring site.  This site is in the Tukituki catchment, where a plan change has set specific targets for improved water quality and ecosystem health. Further data and information is available at: https://www.h...

Located in the Lower Turakina River reaches, landuse in the catchment upstream is predominantly rural.

Located within the lower Oreti Catchment, upstream of confluence with Makarewa River, and upstream of the bridge at Cooper Road. This sampling area is macrophyte dominated with a soft creek bed.  Water quality data is collected here monthly and macroinvertebrate data annually as part of Environment...

The Tūtaekurī River at Brookfields Bridge site is a HBRC fresh water quality & ecology monitoring site.

The Tūtaekurī River at Lawrence Hut site is a HBRC fresh water quality and ecology monitoring site.

The Tūtaekurī River Dartmoor site is a HBRC fresh water quality and ecology monitoring site.

The Twizel River is monitored for recreational water quality at a picnic area located off Glen Lyon Rd to the North of the Twizel township.  This site is monitored for recreational water quality during the summer months only.

The Uawa covers a catchment area 536km2 near Tolaga Bay north of Gisborne. Land use includes extensive sheep and cattle farming with significant areas that have recently changed (since the 1980’s) to more exotic forestry in a response to the level of erosion in the catchment.

The Upper Hutt site is located on the eastern side of the Hutt River, within Savage Park. This site was established in late 2005 and replaces a previous site at Trentham. The air quality indicators measured at this site are PM10 and nitrogen dioxide. PM2.5 was measured between 2021 and 2023. Carbon...

Located within the upper Waiau Catchment within the outer edge of the Fiordland national park, 5km downstream of lake Te Anau. River water quality data has been collected here monthly since 2016 for a range of programs.