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

eHarvest

NIWA provides a real-time monitoring and reporting service to various sectors of the New Zealand Shellfish Industry.

eHarvest application

The eHarvest tool has moved.

It is now located at https://hydrowebportal.niwa.co.nz/Account/SignIn

Contact Marty Flanagan for access.