According to the latest quarterly report, from October to December 2016, water samples obtained from most of the 124 brands contained abnormally higher levels of arsenic while micrological bacteria, sodium and potassium were also found at higher unsafe levels.
12 out of 42 brands contained high carcinogenic elements while 30 others were not as per required nutrition levels by experts.
According to PSQCA water quality standard for arsenic (10 ppb), water quality standard 7 of the mineral water firms, Well Care, Lite Aqua, New Premier, Royal Blue, Aqua Safe, Aqua Drink Water , Rahat contained arsenic at a level ranging from 12 to 34 PPB which directly poses a threat to health.
According to health experts, higher level of arsenic can cause various types of skin diseases, diabetes, kidney diseases, hypertension, heart diseases, birth defects, black foot diseases and multiple types of cancers.
Another brand (Nurturmil Water) was also declared unsafe due to the presence of higher level of potassium.
The research authority collected 124 samples of water from mineral/bottled water brands from different cities including Islamabad, Rawalpindi, Sialkot, Quetta, Peshawar, Muzaffarabad, Faisalabad, Sargodha, Multan, Lahore and Tando Jam.
Three types of tests were performed after collection of samples including arsenic test, microbiological test and detection of sodium, potassium in water and the report confirmed that water from 42 brands was found unsafe for drinking purposes.
The authority has reportedly forwarded the report to provincial and federal administrations for stern action.