Yeah...I read about that somewhere on the state's water page. I'll definately have it tested before I try to drink it.The other thing that you should be aware of and is a growing issue in our area is Arsenic. Due to the volcanic nature of the area, the water is loaded with it and metals. If you know of company that does water testing, they may be able to tell you if the area is prone to these issues.
I did come across a hand dug shallow well from about 100 years ago on some nearby property I looked at. I don't know anything about it, other than it's shallow, and there was water at the bottom.
Yeah, what happens in my backyard, stays in my backyard.Many if not all places in the Pac NW have legal water rights requirements. You may be putting yourself at risk.
From the hose.Didn't you mention that you have a pond? Where does it get its water?....