Public notice

Public notice: Notice of spraying operations

Wednesday 5 April 2023

Otago Regional Council contractors will be spraying herbicide in sections of the Pomahaka River.

The spray will be applied from a helicopter, and only juvenile willows and growth on the river beaches will be targeted.

Holders of known water takes have been advised separately of thee operations.

Actual datesĀ  of spraying will depend upon weather and contractor availability. Spraying is planned to commence on 6 April and be completed by the end of May.

Maps of areas to be sprayed are available below.

For any enquiries, please contact or call 0800 474 082.


Spraying area - Pomahaka River at Conical Hill



Spraying map - Pomahaka River at Kelso