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Waiwawa River water quality site at SH25 Coroglen. The monitoring site is just downstream of the bridge where many people swim over summer. The substrate at this location is cobbly and the wide river is lined with grass, poplars and willows.

This site is located at the bottom of the Waiwhakaiho River, near the coastal walkway and Te Rewa Rewa Bridge. The Waiwhakaiho drains an extensively developed farmland catchment and flows through six kilometres of urban New Plymouth before reaching this popular recreational area, which is about 700...

The Waiwhakaiho River drains an extensively developed farmland catchment and flows through approximately two kilometres of urban New Plymouth before reaching this popular domain and recreational area, located nearly four kilometres from the sea. This site is well-used for swimming, walking, and picn...

This site is located approximately in the middle of the catchment, with the river running from Te Papa-Kura-o-Taranaki (the national park) through developed farmland (40% of catchment above site). The site is also immediately upstream of a major water diversion for the New Plymouth water supply and...

The Waiwhakaiho River is a large ringplain river arising in Te Papa-Kura-o-Taranaki (the national park) and flowing through agricultural and industrial land to the sea. This upper-reach site is just inside the national park boundary at an altitude of 460 metres above sea level. Water quality has bee...

The Waiwhetu Stream at Whites Line East is located in the lower reaches of the Waiwhetu Stream on the eastern side of the Hutt catchment. The Waiwhetu stream enters the Hutt River Mouth at Petone.  This site is monitored as part of a programme specifically designed to measure the health of rivers an...

The Wangapeka River catchment is dominated by native bush and is popular for tramping and fishing. This is one of three reference sites in the Motueka catchment, with Motueka at Gorge and Hunters at Kikiwa. Sampling programme change: Beginning July 2016, Tasman District Council increased the freque...

The monitoring site is located approximately 3km west of Orewa township.

Whaingaroa (Raglan) Harbour is a tidal lagoon and drowned river valley, with intertidal sand and mudflats making up about 70 per cent of its area. The catchment area for the Harbour is 523 km2. Whaingaroa (Raglan) Harbour is used for a range of recreational activities, and for commercial and recreat...

Whakapipi Stream water quality and flow site at SH22 Bridge. The substrate at this site is bedrock. The water samples are collected from the weir downstream of the bridge. There is little in the way of riparian cover downstream from the road, but upstream of the site there is fairly thick willow cov...

The Whakatikei River is a tributary of the Hutt River and drains the north western part of the catchment. This site is is located in the lower reaches of the Whakatikei River.  This site is monitored as part of a programme specifically designed to measure the health of rivers and streams in the Well...

The Whangaehu River catchment is located in the eastern Wairarapa and is a tributary of the Ruāmahanga River. The Whangaehu River upstream of Confluence site is located in the lower reaches of the river, and is accessed through private land only. This site is monitored as part of a programme specifi...