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This site was monitored by NIWA up until December 2021 and is one of the original National River Water Quality Network (NRWQN) sites dating back to 1989. The catchment is predominantly grassed farmland and urban, ranging from lowlands to high country.  The head of the catchment is in the Southern A...

The water quality site located on the Kawaunui Stream is accessed via State Highway 5 directly under the main road bridge. The stream joins the Waiotapu Stream a short distance from the sampling locality and has several small inflowing tributaries in the upper and middle reaches. The substrate is li...

Knights Stream is one of two main tributaries that converge to form the Huritini-Halswell River. It is a spring-fed plains stream, and one of the four sites monitored monthly in the Huritini-Halswell River catchment by Christchurch City Council for surface water quality. This site has been monitored...

The Komakorau Stream at Henry Rd is a water quality site. The stream is soft bottomed with the substrate consisting of mud/silt at the monitoring site. The stream banks have some riparian cover in the vicinity of the monitoring site.

The Kopuaranga River at Stuarts is located on the lower reaches of the Kopuaranga River. The catchment is located in the eastern Wairarapa and is a tributary of the Ruamāhanga River. Access to this site is through private land.  This site is monitored as part of a programme specifically designed to...

The Kōwhai River is located in the Kaikōura zone. It flows south from the slopes of Manakau in the Seaward Kaikōura Range, turning southeast as it reaches its narrow coastal plain. The river flows into the ocean to the west of the Kaikōura Peninsula, three kilometres west of Kaikōura township. The r...

The Kowhai River is a hill-fed braided river monitored  upstream of SH1, south of Kaikoura.

The Kumeu River site is located approximately 41km from the Kaipara Harbour. The upstream catchment covers an area of 4,566ha and is largely comprised of rural pastures with some horticultural production. This is a paired water quality and ecology monitoring site.

In 2020 Waikato Regional Council (WRC) transferred the monitoring functions of the Taupō catchment to Tūwharetoa Māori Trust Board (TMTB). This site is now monitored by TMTB. The water quality site located on the upper Kuratau River is located under the Upper Kuratau River road bridge and is accesse...

In 2020 Waikato Regional Council (WRC) transferred the monitoring functions of the Taupō catchment to Tūwharetoa Māori Trust Board (TMTB). This site is now monitored by TMTB. The water quality site is located a short distance upstream of the Kuratau River mouth where it enters Lake Taupo and can be...

The Kyeburn is a significant tributary of the Taieri River with excellent water quality. Prone to sedimentation/turbidity issues during high flows from old goldmining works. Significant habitat for flathead and roundhead galaxiids.

Lake Alice is a shallow coastal dune lake located within the Rangitīkei River Catchment. In 2014, Horizons Regional Council commenced quarterly water quality monitoring of the lake by helicopter. In 2015, NIWA assessed the ecological condition of the lake using Submerged Plant Indicators (LakeSPI).