Living just north of Los Angeles, I have become used to the idea of extra ear / nose / throat care; due to the additional "bacterial" issues of my locale (read: really nasty micro beasts from LA's septic system). I do not wear contacts, but I imagine that a standard contact wash routine would be sufficient.
BTW, anyone who swims in "questionable" waters (Malibu Pier, and the Santa Clara Rivermouth, in my case) should be performing at least a bit of a decontamination regimen. eg: Antiseptic rinse for mouth & throat, sterile saline nasal douche, and occasional ear lavage following water sports.
I'm more than a bit paranoid: I contracted a severe Staph infection following a 2 hour surf at Malibu. After 3 days, I could barely walk into my doctor's office. He informed me that I had four HUGE boils full of Staph - required lancing, scooping, and almost 6 weeks out of the water!

Careful all!