Melt the snow, but sweep the top layer off first before you collect any. I am sure that once power is applied that the small impurities will find an electrode quickly enough, maybe stick? Pure water has a dielectric constant of 81 where air = 1.
Chemtrails? That's what clueless people who see contrails call them. I've seen one video where a California woman is showing the rainbow here lawn sprayer in making on a bright, sunny day. But to her it's not a rainbow, it's chemicals in the water supply just like the chemtrails chemicals! It's a huge plot to kill us all, not natural in the slightest! What a dizzy bitz!
About 30 years ago if not longer there was enough acid in acid rain to slowly kill trees. Today the rate of burning is higher, because when you're running out of something the thing to do is use it up faster and faster.