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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.

The Waipahi is a tributary of the Pomahaka River. Water quality at this upper catchment site is impacted by intensive farming in the catchment. Upstream of this site is the Cairn Road Bog, a regionally significant wetland.

This site is located on the lower Waipahi River, a significant tributary of the Pomahaka River. Farming in the Waipahi catchment relies on artificial drainage predominantly in the form of tile drains. Intensive farming on these tile drain networks has impacted water quality in the catchment.

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

The Waipapa River extends from the Kaimai Ranges to the Waipapa Estuary on the western side of Tauranga Harbour.  The Waipapa catchment covers 45.2 sq km of which over half is pastoral and one quarter is indigenous forest. The catchment geology is mainly Waiteariki ignimbrite with recent river depos...

This monitoring site is located at the Department of Conservation camping area at the end of Forest Road. This site is monitored by NIWA and NRC and is one of the original National River Water Quality Network (NRWQN) sites dating back to 1989.

This monitoring site is located at the Department of Conservation camping area at the end of Forest Road. This site is monitored by NIWA and NRC and is one of the original National River Water Quality Network (NRWQN) sites dating back to 1989.

The water quality site located on the Waipapa Stream is accessed via Tirohanga Road which is connected to State Highway 1 close to the small township of Atiamuri. The sampling locality is directly under the Tirohanga Road bridge where the stream is approximately 10 metres wide. The Waipapa Stream ha...

The Waipara River is in the Hurunui-Waiau Zone. It is a small hill-fed river on the northern fringe of the Canterbury Plains and generally has good water quality. Its geological and climatic features set it apart from most other hill-fed rivers in Canterbury. Situated in a warm dry micro-climate, th...

The Waipara River is monitored for recreational water quality during the summer months from a man made swimming hole, located at the Waipara Boys Brigade camp, just North of SH1.

The Waipara River is a hill-fed river in North Canterbury that flows from the Canterbury foothills out to Pegasus Bay.

The Waipara River is a relatively small hill-fed river in North Canterbury.