The current Waimakariri River flood protection is designed to cope with a flood of 4730 cumecs (cubic metres per second). The worst case flood is about 8000 cumecs. The normal flow of the Waimakariri River is 80 cumecs.

For further assistance please contact Customer Service on 03 353 9007 or toll free on 0800 324 636. You can also visit our website www.ecan.govt.nz