Anybody else done it with success? I saw my pond level dropping with this prolonged heat (seep fed) and decided I need a better, steady source to keep it full. I've used coathangers to find pipes before, but never an underground source. The forked stick never worked for me, but I've seen it work...
This article is one of the best I have seen concerning finding and treating water for drinking:
Actually, this website is full of useful & practical tips and is well worth browsing. Has a nice list of receipts (sp?) also