
Know your
source.
One pressure-fed spring.
Del Puerto Canyon. The Diablo Range.
This is where Adobe Mountain begins.
Adobe Springs.Where Adobe Mountain begins.
Adobe Mountain is the flagship brand of Adobe Springs Water Co. Every bottle comes from Adobe Springs in Del Puerto Canyon, California.
One pressure-fed spring in the Diablo Range. Never blended. No alternate supply chain.
About Adobe Springs Water Co. (opens in a new tab)
A remote
recharge area.
Above the spring, the recharge area is unreachable by vehicle, construction or agriculture.
Through stone.
Under pressure.
The water rises under its own pressure through serpentinized mantle rock and fractured ultramafic stone.
The mineral profile.
Approximately 100 mg/L of naturally occurring magnesium. Low sodium. Low calcium.
| Mineral or characteristic | Reported value |
|---|---|
| MagnesiumNaturally occurring | Approx. 100 mg/L |
| Total dissolved solidsAverage | Approx. 400 mg/L |
| Calcium-to-magnesium ratio | Approx. 1:7 |
| Sodium | Low |
| Calcium | Low |
| pH at the surface | Naturally alkaline |
Approximate values from Adobe Mountain's published water analysis. Total dissolved solids is an average.
Full water analysis (PDF)Why
magnesium?
These third-party statements discuss magnesium generally. They are not claims about the health effects of Adobe Mountain water.
“USDA has found that over 50% of adults in the U.S.A. are getting less than their daily requirement of magnesium from food.”
Proof in the details.

Silver, for sparkling.

Sparkling · Silver Medal 2026Berkeley Springs International Water Tasting
Published water analysis.
Independently tested and verified. Bottled without chemical disinfection.
Read the published analysisOne spring.
Still or sparkling.
$18.99 per 12-pack