Notice of spraying operations - Waikoura & Hilderthorpe

Wednesday 17 April 2024

Otago Regional Council contractors will be spraying herbicide in the sections of rivers noted below. The spray will be applied by truck, and only vegetative regrowth of willow, broom and gorse will be targeted.

Otago Regional Council contractors will be spraying herbicide in the sections of rivers noted below. The spray will be applied by truck, and only vegetative regrowth of willow, broom and gorse will be targeted. Holders of known water takes will be advised separately of these operations.

Actual dates of spraying will depend upon weather and contractor availability. Spraying is planned to commence on 24 April 2024, and will be complete by 27 May 2024.

The rivers affected include:

  • Waikoura floodway from Highway 83 to Waitaki River confluence
  • Hilderthorpe floodway from Highway 1 to end of Corbett Road

Maps of areas to be sprayed are available on ORC’s website at orc.govt.nz/PNwaikoura

Contact engineering@orc.govt.nz
or our customer services team: customerservices@orc.govt.nz or 0800 474 082.

Text only image of notice of spraying

Hilderthorpe vegetation spraying map

Waikoura vegetation spraying map