The town is awaiting its usual winter influx.
Emergency services were called to the Waitaki River on Monday night.
A pier on the bridge over the Rangitata River in Canterbury was washed away on April 12.
"I cannot sit back and let the lies of their mother hurt my innocent grandchildren."
One person is reported to have serious injuries.
The eatery has recently re-opened after a refurbishment with new owners.
Four months on, they've neither been collected nor paid for - and she now owes the kennel thousands of dollars.
"Communities expect and trust that emergency ambulance services will have the capacity to assist them quickly when they call for help."
More than 15 fire trucks and tankers are at the scene of the blaze.