JUST Water Mountain Spring Water Carton

About

Still water, sourced from natural springs, provides hydration and essential minerals. It has no calories or sugars, but improper storage may lead to contamination from plastic leaching or bacteria growth.

Score breakdown

How this water earned its 78/100.

• Lab report indexed · Indexed45/45
• Contaminants · 4 Flagged28/50
• Water source · Aquifer25/25
• Mineral preservation · No Mineral Stripping17/17
• Packaging material · Cardboard12/22
• Cap material · Plastic Screw7/7
• PFAS testing · Unknown0/5

Lab reports

Independent testing data backing this product's score.

• 📄JUST Water Quality Report 2021
• 📄Consumer Reports PFAS
• 📄Water Quality Report 2024

Filtration & treatment

Contaminants

• Barium

  0.0033 mg/L

  Toxic if ingested or inhaled, can cause muscle weakness, cardiovascular effects, and respiratory paralysis, contamination risk

  Legal limit: 2 · Health guideline: 0.7

• PFAS

  0.2 ppt

  Persistence, bioaccumulation, potential carcinogenicity, endocrine disruption, immune system effects, contamination of water and soil

  Legal limit: 4 · Health guideline: 0.1

Minerals & nutrients

• Bromide

  0.0085 mg/L

• Chloride

  2.4 mg/L

  Supports electrolyte balance, acid-base homeostasis, and proper nerve and muscle function

• Sulfate

  9.4 mg/L

  Effective cleansing and foaming agent in personal care products

• Fluoride

  0.19 mg/L

  Prevents dental caries, strengthens tooth enamel

• Calcium

  17.4 mg/L

  Supports bone health, muscle contraction, nerve signaling

• Magnesium

  4 mg/L

  Supports muscle and nerve function, contributes to bone health, involved in enzymatic reactions

• Sodium

  3.6 mg/L

  Essential electrolyte, supports nerve transmission, aids fluid balance

• Manganese

  0.0276 mg/L

  Supports antioxidant enzyme function, bone development, and metabolism

Sources

• JUST Water Quality Report 2021
• Consumer Reports PFAS
• Water Quality Report 2024