Parameter Ordinary water Zamzam water Parameter Ordinary water Zamzam water
Calcium Carbonate (ppm) 28-32 300-340 Arsenic (ppb) ND 19-26
Magnesium (ppm) 23-27 19-24 Selenium (ppb) ND 3-4
Chromium (ppb) ND 0.7-0.75 Strontium (ppb) ND 700-800
Manganese (ppb) ND 0.07-0.10 Cadmium (ppb) ND 0.2-1.0
Cobalt (ppb) ND 0.3-0.4 Lead (ppb) ND 0.05-0.1
Copper (ppb) ND 0.5-1.0 Nitrate (ppb) 3-4 70-90
Zinc (ppb) ND 1-2 pH 7.0 7.75-8.0
ND=Not Detectable
Table 1: Ranges of some elements, salts and pH of Ordinary and Zamzam water samples.