What type of water do I have?

[vesuvius]

Hi, I'm new here. I'm mostly stuck with my more interesting orchids right now, so I had decided to invest in some MSU fertiliser. Sounds great you'd think, but now I have no idea how my water fits into their two categories of well vs. rain/tap water. My water is sources from water springs in my village. It's very high in mineral content (mineral and calcium) and considered to be very heavy water, not chlorinated. Any ideas if this would qualify as well water?

Apparently, the type of water I have makes a difference in how I water and fertilise my orchids. I'm wary of using distilled water because it's quite expensive and isn't for consumption where I live. I would spend 20€ per week on only watering my orchids.

EDIT: I had a look on our village website. The hardness is listed as 25 fh (14 °dH). Ca 67.4 mg/l; Mg 10.09 mg/l; N 5.3 mg/l, with a Ph of avg. 7.58. So I guess the well water should be chosen.