On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Instructional videos

Video guides for installing the Nalgene Bottles and DGT's

Nalgene Bottle – Storm water installation guide:
Nalgene Bottle - Storm water installation guide
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Nalgene bottle - stream installation guide:
Nalgene bottle - stream installation guide
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DGT – Storm water installation guide:
DGT - Stormwater installation guide
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DGT – Stream installation guide:
DGT - stream installation guide
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Book: Cost-effective sampling for urban streams and stormwater