Orange Squad: Fins, Kick Board, Pull Buoy (junior size), and Mesh Bag.
Red Squad: Swim Snorkel (example: https://www.swimoutlet.com/p/finis-swimmers-swim-snorkel-1221/?color=10804)- there are junior and adult sizes depending on the size of the swimmers mouth/head, paddles (example: http://www.swimoutlet.com/p/strokemaker-paddles-1-s-azure-blue-(ages-9-13---hs-girls)-1231/) there are sizes of paddles as well depending on the size hand of the swimmer, kick board, pull buoy (may need junior or adult), fins, gear bag.
Green, White: Same equipment as red along with parachute (example: http://www.swimoutlet.com/p/finis-swim-parachute-24135/) - 8" size.
East Portland: snorkel (as above), paddels (per Jean: http://www.swimoutlet.com/p/arena-elite-finger-paddle-7534750/?color=40872), pull buoy, fins, light resistance stretch band (per Jean: http://www.swimoutlet.com/p/spri-flat-band-yoga-kit-45895/).
For questions about required equipment for your swimmer, please ask your swimmer's coach.