Updated Wednesday 20 March 2024

Selwyn District Council will be cutting weed in the Ararira/LII river from 25th March 2024 through until the end of April 2024.

A barrier will be placed on the river 200m downstream of Wolfes Road boat ramp.

This work is in accordance with Environment Canterbury consents CRC000818.1 and CRC000819.

Should you require further information please contact Council on 347 2800.


Selwyn District Council holds resource consent CRC201738 to spray drains and water races within the Selwyn District. Under condition 25 of this consent Council is required to submit a copy of the annual spray programme for the forthcoming year.

Please refer to the spray programme for the 2023/2024 year [PDF, 228 KB], detailing:

  • Chemicals to be used
  • Areas of operation
  • Application methods
  • Proposed starting dates and locations
  • Duration of the discharge

Also refer to the Spray Location Map [PDF, 7321 KB], showing drainage plans showing the extent of the drainage network within each drainage district and the locations of identified sites of ecological significance.

If you require further information, please email waterraces@selwyn.govt.nz