On yahoo.com source is proclaimed that the Zam-Zam water source contaminated with arsenic. Whether true or not there has been no explanation.
The following news excerpt Government of Saudi Arabia has denied claims that Zam Zam water - which comes from springs in the complex of the Grand Mosque of Mecca - polluted. Arab Kingdom insisted there was no health threat to the holy water.
Leadership Council Affairs Two Holy Places said in a statement on Saturday (7 / 5), the board did not receive a report stating there was a problem with the water of Zam Zam, which is safe to drink.
According to Islamic teachings, the spring was never dry for 4,000...