The U10 girls freestyle relay team of Mia McClements, Tessa Liddington, Regan Ashby and Maryanne Vunikura received a silver medal after clocking a time of 2 minutes 33 seconds.
The girls continued that form into the medley relay, claiming bronze with a time of just over three minutes.
Ebony Igazurre (15) claimed gold for Pinjarra when she swam a 38.18 50m breaststroke time, while Regan Ashby (10) claimed bronze in the 100m butterfly after recording a time of 1.49.
A Pinjarra Swim Club spokesperson said it was always looking to recruit new members.
The club trains at Murray Leisure Centre five afternoons a week from 4pm.
Anyone with any inquiries should call Shirley Rundle on 0457 023 620.