This has come up on the back of my mains water leak. Discussing it with the wife tonight and I mentioned that some on here have had success with dowsing. She's grew up locally all here life and pipes up "There used to be a well on here!" (she's not sure where of course). Now I've known her for 30 years and she never mentioned that before. She then proceeds to tell me about various other smallholdings locally who had wells and a local stable who still have one apparently. So.....it got me thinkin