great idea, Country! i guess i've been around the block a few times, too, looking for a church that met my expectations. lots of em i wouldn't go back to. back to your question - i don't know how holy water started or what the point is. i know water is symbolic in scripture and used in baptism , but beyond that...? i can't answer that one.
"That you are here - that life exists, and identity; that the powerful play goes on and you may contribute a verse. . . What will your verse be?" Robin Williams as John Keating in "Dead Poets Society"