Web Elements_O1_Certification White.png

Here at O1 we are proud of the quality and safety of our product. Our scientists and certified independent laboratories are performing extensive tests on the water source and finished bottled water product to ensure we surpass all national and international bottled water requirements.

Additionally, we have acquired certification from NSF International, an independent international organization, to comply with the requirements of the International Bottled Water Association (IBWA) Model Code. For more information about IBWA please click the link below:



O1 is Pakistan’s only natural mineral water that is currently certified by NSF International. It has been tested to European Union Directives 2003/40/EC and 2009/54/EC for Natural Mineral Water.

NSF International is a Pan American Health Organization/World Health Organization Collaborating Center on Food Safety, Water Quality, and Indoor Environment.

Manufacturers, regulators and consumers look to NSF International for the development of public health standards and certification programs that help protect the world’s food, water, consumer products and environment. Founded in 1944, NSF’s mission is to protect and improve global human health. As an independent, accredited organization, NSF develops standards, and tests and certifies products and systems. Engineers, microbiologists, chemists and public health experts test and certify products in state of the art labs.

The NSF Mark assures consumers, retailers and regulators that products have been rigorously tested to comply with all standard requirements.

Click the link below to check out our listing on NSF's website and find out more about the great work that's being done there.



O1 is also tested and certified by the Pakistan Standards and Quality Control Authority (PSQCA) under Pakistan standard PSS:2102/2010(R) for Bottled Natural Mineral Water. The Pakistan Standards and Quality Control Authority, under the Ministry of Science and Technology, is Pakistan’s national standardization body and is responsible for the formulation and implementation of Pakistan Standards. PSQCA has also been established to advise the Government on standardization policies, programs and activities to promote industrial efficiency and development, as well as for consumer protection.