The Casino CBD is cleaning up after it flooded in what many locals say is the first time ever, with 330 homes also inundated in the "entirely unprecedented" event.
NSW's entire Northern Rivers region was put on high alert earlier this week and parts of Casino were among dozens of areas ordered to evacuate.
Local real estate agent Mark Formaggin said the town has endured isolated storm-related flooding in the past, but never anything like this from the Richmond River.
"Nobody saw it coming; it was entirely unprecedented," he said.
Mayor Robert Mustow said some homes and a bridge were damaged in the 1954 flood, but it didn't impact the CBD.
Read More: https://www.abc.net.au/news/2022-03-03/casino-floods-in-rare-event-as-crisis-continues/100875564