I just tested some Spring Water today. Bottled at High River, Alberta.
It had 198 TDS. I was testing it against some pretty bad well water in the area...the well water was 125 TDS....
This is excessive since most bottled waters are 50-150. Most tap water I test is 50-150. Most well water I test is 150-400.
When you are paying for water in a bottle, shouldn't it be better? Unfortunately you will never know unless you test it yourself. The family drinking the cheap bottled water was spending hundreds of dollars a year on it!
In fact 25% of bottled water are simply tap water, and any that use the lingo 'Natural' or 'Pure' is either tap or spring water run through a Carbon/Charcoal filter to remove taste and odor, but not the actual contaminants.
These days, spring water doesn't mean anything. Chemicals will seep into the ground and get there either way. In fact, Spring Water is likely to increase your heart disease risk (due to the calcium content):
Further Reading
Like chameleons, we want our calcium from our food. For them, it is gutloaded insects (or in the wild it is from the exoskeletons or skeletal matter of their prey). For us, it is vegetables/plants.
The ONLY two bottled waters I have ever tested that were decent are Aquafina (#1) and Dasani at a close #2. The rest were trash. Some grocery stores where you fill your own up for cheap are either excellent, or as bad as tap water....usually the latter, in my experience of testing them.