Mudgee Indoor Swimming Club sent 19 swimmers to the Western District Championship held in Dubbo.
Led by Macy Morley and Luke Beckingham, the team broke 18 records across the event.
Morley was the stand-out of the weekend, being named Senior Girl Champion of the event and collecting 11 firsts from her 14 swims.
As well as the places, Morley broke 9 records at the carnival, with her best place coming in the 400m individual medley (5:32.0).
Beckingham took seven wins in 11 races, making up four silver finishes, and took six records home with him on the day.
His best place was in the 200m freestyle, when he finished 2.07.2 and lowered the record by 10 seconds.
Mudgee swimmers next compete in the Speedo Sprint finals in Sydney, and the Country Championships.