Agua de Piedra Natural Mineral Water Glass Bottle
- Lab Tested
- Yes
- Contaminants
- 10
- Minerals
- 10
- Microplastics
- Low
- pH
- 8.1
- TDS
- 330 ppm
- Fluoride
- 0 mg/L
- PFAS Tested
- No
About
Agua de Piedra is a non-carbonated mineral water that provides essential minerals for hydration and health. While it can help maintain electrolyte balance, excessive consumption may lead to kidney strain due to high sodium levels.
Score breakdown
How this water earned its 74/100.
- Lab report indexed · Indexed45/45
- Contaminants · 8 Flagged17/50
- Water source · Spring25/25
- Mineral preservation · No Mineral Stripping17/17
- Packaging material · Glass22/22
- Cap material · Leaching Cap0/7
- PFAS testing · Unknown0/5
Lab reports
Independent testing data backing this product's score.
- Laboratory
- Microbac Laboratories
- Report date
- Sep 8, 2025
- Sample date
- Aug 26, 2025
- Methodology
- EPA 150.1, SM 2510 B, EPA 180.1, SM 2340 B, SM 2320 B, EPA 524.2, EPA 200.7, EPA 200.8, EPA 300.0, SM 9223B
Detected in lab report
- pH8.1 pH
- Total Dissolved Solids330 PPM
- Turbidity0.84 NTU
- Hardness290 PPM
- Expanded Hardness292 PPM
- Grains per gallon16.9 Grains
- Alkalinity (as CaCO3)170 PPM
- Langelier Saturation Index0.66
- Sodium Adsorption Ratio0.332
- Barium0.093 PPM
- Bicarbonate205 PPM
- Boron0.033 PPM
- Calcium93 PPM
- Carbonate1.19 PPM
- Chloride22 PPM
- Chloride-to-Sulfate Mass Ratio0.286
- Fluoride0.5 PPM
- Lithium0.006 PPM
- Magnesium14 PPM
- Molybdenum0.0044 PPM
- Nickel0.005 PPM
- Nitrate (as N)2.3 PPM
- Potassium0.98 PPM
- Silica15 PPM
- Sodium13 PPM
Contaminants
Barium
0.093 mg/LToxic if ingested or inhaled, can cause muscle weakness, cardiovascular effects, and respiratory paralysis, contamination risk
Legal limit: 2 · Health guideline: 0.7
Uranium
0.002 pCi/LRadioactivity leading to radiation poisoning, heavy metal toxicity causing kidney damage, carcinogenic potential, environmental persistence.
Legal limit: 20 · Health guideline: 0.42
Nickel
0.005 mg/LAllergic contact dermatitis, respiratory sensitization, carcinogenic potential upon inhalation, systemic toxicity if ingested in large amounts
Legal limit: 0.1 · Health guideline: 0.1
Boron
0.033 mg/LToxicity in high doses, nausea, hormonal imbalance
· Health guideline: 20
Molybdenum
0.0044 mg/LExcessive intake may cause gout-like symptoms, joint pain, elevated uric acid levels
· Health guideline: 0.04
Vanadium
0.0011 mg/LInhalation toxicity, potential heavy metal contamination, toxicity at high doses, respiratory and renal effects with exposure
· Health guideline: 0.021
Turbidity
0.84 NTU· Health guideline: 0.3
Lithium
0.006 mg/LToxicity at high doses (serum >1.5 mEq/L); nephrotoxicity with long-term use; thyroid dysfunction (hypothyroidism, goiter); neurological side effects (tremor, cognitive impairment, ataxia); cardiac arrhythmias; teratogenic risk; narrow therapeutic window; OTC supplements are unregulated and lack FDA approval for any condition
· Health guideline: 0.01
Strontium
1.8 mg/LPotential toxicity with excessive ingestion, possible interference with calcium metabolism, contamination risk from radioactive isotopes in certain contexts
· Health guideline: 4
Nitrate (as NO₃⁻–N)
2.3 mg/LPotential formation of nitrosamines under acidic conditions, ingestion toxicity at high levels, methemoglobinemia risk in infants, contamination risk in drinking water
Legal limit: 10 · Health guideline: 0.14
Minerals & nutrients
Chloride
22 mg/LSupports electrolyte balance, acid-base homeostasis, and proper nerve and muscle function
Sulfate
77 mg/LEffective cleansing and foaming agent in personal care products
Silica
15 mg/LPrevents clumping and improves texture in powdered products
Fluoride
0.5 mg/LPrevents dental caries, strengthens tooth enamel
Calcium
93 mg/LSupports bone health, muscle contraction, nerve signaling
Magnesium
14 mg/LSupports muscle and nerve function, contributes to bone health, involved in enzymatic reactions
Potassium
0.98 mg/LSupports electrolyte balance, helps regulate blood pressure, essential for nerve and muscle function
Sodium
13 mg/LEssential electrolyte, supports nerve transmission, aids fluid balance
Sodium sulfate and/or Sodium chloride
0.286Function as fillers and bulking agents, inexpensive and widely available
Sodium acid
0.332Function as leavening agents, pH regulators, or preservatives depending on specific compound