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This site is on the western side of the Avon Heathcote Estuary/Ihutai and is monitored due to its proximity to the Heathcote River/Ōpāwaho mouth. This site has been monitored since 2007. Mud content and macrofauna are monitored annually and sediment quality every 5 years by the Christchurch City Cou...

The Hurunui River, located within the Hurunui-Waiau water management zone, is 150km long and covers a total catchment area of 2671 km2. The Hurunui is probably the most diverse of Canterbury’s large rivers, with both snow- and lake sources of flow. There are two main branches; the north branch is so...

The Hurunui River is a large, braided river in North Canterbury.  This site was historically monitored by NIWA and was taken over by Environment Canterbury in 2020. State and trends may not be displayed on this page due to limited sampling length. But the available data can still be accessed f...

This site is located in the mid reaches of the alpine-fed Hurunui River and is adjacent to the Balmoral Camping Ground. This site is monitored for recreational water quality during the summer months only.

Te Awa Kairangi (Hutt River) at Boulcott is located in the middle reaches of the Hutt River, opposite Boulcott's Farm Heritage Golf Club, in the stretch between Kennedy-Good Bridge and Melling Bridge.  This site is monitored as part of a programme specifically designed to measure the health of...

Te Awa Kairangi (Hutt River) at Poets Park is located in the middle upper reaches of the Hutt River. The site is publicly accessible from Poets Park on the Hutt River Trail, and is popular for dog walking and swimming. This site is monitored as a part of Greater Wellington Regional Council’s Recreat...

Located within the upper Oreti Catchment, the gravel dominated site is located above the confluence with the Oreti River.  River water quality data is collected here monthly and macroinvertebrate data annually as part of Environment Southland's State of the Environment monitoring.

Kā Pūtahi (Kaputone) Creek is a tributary of the Pūharakekenui-Styx River. The Kā Pūtahi Creek is approximately 11 km in length and 543 ha in size. Water quality data is collected by Christchurch City Council, however macroinvertebrate data is collected by Environment Canterbury. For Macroinvertebra...

Kā Pūtahi/Kaputone Creek is a spring-fed creek that flows into the Styx River.  Water quality data is collected by Christchurch City Council, and macroinvertebrates are collected by Environment Canterbury.  To access water quality data, please choose "Kā Pūtahi/Kaputone Creek at Belfast Road"

The Kahutara River is in the Kaikōura zone. It flows south-east from the Seaward Kaikōura Range, reaching the Pacific Ocean at the tiny settlement of Peketa, 7 km south-west of Kaikōura. The river catchment has a mild maritime climate and high sunshine hours with average annual rainfall ranging from...

The Kahutara River is a hill fed river in the Kaikoura zone. This site is located in the lower reaches below SH1 at Peketa Beach where the river forms a lagoon at the Kaikoura coast. This site is monitored for recreational water quality during the summer months only.

Located in the lower Kai Iwi Stream reaches, the stream flows through soft sedimentary soils. Land use in the catchment is predominantly rural. The site is also a valued whitebait migration route.