Historical studies and reports

The Manuherikia Catchment has been studied extensively during the past 150 years.  The following historical reports provide:
  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.

Central Otago irrigation

Dam safety

Dunstan Flats

Falls Dam



Ida Valley

Manorburn, Hopes Creek and Poolburn dams


Manuherikia Irrigation Scheme Manuherikia River – catchment water resources


Omakau Irrigation Scheme

Lower Manuherikia


Niwa’s freshwater update

Water Quality in New Zealand: land use and nutrient pollution and the proposed Amendments to the National Policy Statement for Freshwater Management.


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