Historical Studies

The Manuherikia catchment has been studied extensively during the past 150 years and numerous reports have been written. Click here to read historical reports on:

1. An insight into why certain infrastructure decisions were made and what other options were considered at the time;
2. A record of dam material and construction methods;
3. The challenges of the existing infrastructure and ideas for improvement;
4. Numerous ideas on new development options; and
5. Hydrological data dating back more than a century.

These reports contain multi-generation knowledge which is making a very valuable contribution to the current studies.