'So relieved': Flood victim welcomes win

Vince Rodriguez, whose store was damaged in the 2011 Queensland floods, welcome the court case win

Almost nine years after floodwaters "devastated" his Brisbane sporting goods store, Vince Rodriguez feels his family will be able to move on.

Mr Rodriquez - the lead plaintiff in a class action against the Queensland government, Seqwater and Sunwater over the January 2011 floods in greater Brisbane and Ipswich - was handed a court win on Friday after a long and difficult saga.

NSW Supreme Court Justice Robert Beech-Jones found in favour of about 6870 claimants after accepting that engineers responsible for flood operations at Wivenhoe and Somerset dams were negligent and breached their duty of care.

Mr Rodriguez was seeking damages after his Fairfield store was flooded and said he'd been "waiting for this outcome for a long time".

"We're so relieved that there is now justice for so many people who suffered as a result of the mismanagement of the dam," he told reporters in Sydney.

"The decision will allow me and my family to move on after what has been a long, trying time.

"I'm sure the same is true for so many other families and businesses in southeast Queensland who were affected by the flood."

Mr Rodriquez says the flood devastated his shop.

He told reporters his family reopened the store after the flood "but we couldn't actually catch up with what we had before" and it ultimately closed.