The Holy of Carvalhelhos Water is said to have been discovered in 1915 by a pastor that it washed the feet wound and was healed . They won fame with a photographer from Porto who came to the area and documented his own recovery.
After 100 years , the medicinal characteristics of Carvalhelhos waters remain unchanged , demonstrating the quality and nobility of its aquifers.
Chemical Composition: Typical Value (Average)Total mineralization, mg/L: 254.5 ± 6.2; Dry Residue at 180°C, mg/L: 181.5 ± 5.8; Silica (SiO2 ), mg/L: 36.8 ± 7.6; Sodium (Na+), mg/L: 52.3 ± 2.2; Calcium (Ca 2+ ), mg/L: 5.9 ± 0.6; Potassium (K+), mg/L: 1.45 ± 0.13; Bicarbonate (HCO 3 -), mg/L: 146 ± 9.0; Sulfate (SO42-), mg/L: 7.1 ± 3.3; pH: 7.0 ± 0.4; Water subjected to an authorized adsorption method.