Water safety PSA

I don't do a lot of pure PSAs, but I've known two young men who drowned. From Slate:

Drowning Doesn’t Look Like Drowning 

In many child drownings, adults are nearby but have no idea the victim is dying. Here’s what to look for.

... Drowning is not the violent, splashing call for help that most people expect. ...

Or there can be a brief display of distress you miss before the actual drowning starts.

“Except in rare circumstances, drowning people are physiologically unable to call out for help. The respiratory system was designed for breathing. Speech is the secondary or overlaid function. Breathing must be fulfilled before speech occurs. ...
Sometimes the most common indication that someone is drowning is that they don’t look like they’re drowning. They may just look like they are treading water and looking up at the deck. One way to be sure? Ask them, “Are you all right?” If they can answer at all—they probably are. If they return a blank stare, you may have less than 30 seconds to get to them. And parents—children playing in the water make noise. When they get quiet, you get to them and find out why.

In the U.S., young black males drown at terribly high rates, especially in motel pools. 

Another group without much water experience are Russians, who drown a lot in rivers during hot spells: only two months of summer, vodka, and whatever you call it (fatalism?) that makes Russia so prone to tragic disasters are a dangerous combination.