
Lab tested
Yes
Contaminants
7
Nutrients
1
Microplastics
Minimal
Why this score
For every scoring factor, open the breakdown from the score above.
Barium
3 risks
Uranium
4 risks
Microplastics
5 risks
Fluoride
0.114 mg/L
Lithium
1x
limit
Nitrate (as NO₃⁻–N)
0.032 mg/L
Titanium
0.00078 mg/L
Chloride
2.85 mg/L
Sodium
3.31 mg/L
Silica
14 mg/L
Boron
0.00736 mg/L
Chromium
394x
limit
Strontium
0.103 mg/L
Sulfate
7.45 mg/L
Calcium
56.4 mg/L
Magnesium
6.47 mg/L
Potassium
1.12 mg/L
Phosphorus
0.0418 mg/L
Spring in Ouachita Mountains, Arkansas
Runs through layers of quartz and marble for 3,500 years and ends up in a granite-based aquifer.
202
8.2
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