Notice of Weed Spraying in Rotorua Lakes

26 November 2010

Public notice: Property owners and users of the Rotorua Lakes, including for recreation, are advised that the herbicide diquat, will be used in gel form to control lake weed at several sites in the Rotorua Lakes.

The work is scheduled to begin from Monday 29 November and may continue intermittently until Monday 15 December, as weather and water conditions permit. Treatment will not take place during weekends or on public holidays.

As a precautionary measure only, Land Information New Zealand advises users not to take water from the Rotorua Lakes to consume or for irrigation purposes from the vicinity of the treatment area, until 24 hours after treatment.

An announcement will be made on Radio in advance of the programme commencing and notices will be placed at www.linz.govt.nz 24 hours prior to the planned spray dates. Warning signs will be placed at major boat launching ramps near treatment sites before the herbicide is applied and will be removed 24 hours after treatment.

A boat will be used to apply the herbicide in the following locations:

  1. Lake Rotorua – Kawaha Point
  2. Lake Tarawera – Boatshed Bay
  3. Lake Tarawera – The Landing
  4. Lake Tarawera – Stoney Point
  5. Lake Tarawera – Humphries Bay
  6. Lake Rotoehu – Otautu Bay
  7. Lake Rotoehu – Kennedy Bay
  8. Lake Rotoiti – Gisborne Point
  9. Lake Rotoiti – Hauparu Bay
  10. Lake Rotoiti – Te Ruato Bay
  11. Lake Rotoiti – Cherry Bay
  12. Lake Rotoiti – Okawa Bay
  13. Lake Rotoiti – Te Weta Bay
  14. Lake Rotoiti – Otaramarae Boat Ramp
  15. Lake Rotoiti – Okere Inlet
  16. Lake Rotoiti – Hot Springs
  17. Lake Rotoma – Whangaroa Bay Boat Ramp
  18. Lake Rotoma – Matahi Boat Ramp
  19. Lake Rerewhakaaitu – Homestead Arm
  20. Lake Okataina – Public Boat Ramp
  21. Lake Okataina – Log Pool Bay
  22. Lake Okataina – South West Corner

View Land Information New Zealand’s full annual control works programme.

Further information is available from Boffa Miskell Ltd during office hours on 0800 638 943, by writing to PO Box 110, Christchurch 8140, or emailing marcus.girvan@boffamiskell.co.nz.

Media enquiries: Brad Young, Land Information New Zealand, phone +64 4 460 0147, mobile +64 27 277 1267, email