Member - Watsan Envirotech Pvt Ltd

Watsan makes and distributes affordable, electricity free, maintenance free, zero water wastage water purifier targeting the BPL families and rural villages across globe who do not have access to clean drinking water. We make arsenic and fluoride removal add-ons as well. We also provide ready to fit toilets as a turnkey solutions, which were built completely using glass fibre waste, devoid of sand , water and cement to build it.

Type Startup or self-employed
Founder 2013
Company Size 30
Member Type
Founders Chandrasekaran Jayaraman
Headquarters 49, Sydenhams Rd, Park Town, Chennai, Tamil Nadu 600003, India
Social network


Founded in 2009 by the benign efforts of Chandrasekaran. J, an expert in Plastics Technology, the proprietary firm “Custom Parts Online” started making many innovative products to address the soaring needs of common people. Under the license from IMMT (CSIR), Bhubhaneshwar in the year 2010 by Custom Parts Online, the poor man's water purifier, popularly known as ‘CPO Natural Terafil®™ Water filter’ was manufactured which was later exclusively run by WATSAN Envirotech Private Limited. Later in 2013, Mr. P. N. Subramanian, an IT Professional with 35 years of experience in HR, Strategy & Planning headed WATSAN as the Co-founder. The name WATSAN was coined by blending the words ‘Water’ and ‘Sanitation’, which are the two main aspects of our establishment. WATSAN’s sole purpose is to provide water and sanitary solutions to the rural population by manufacturing and distributing low-cost, yet effective electricity-free water filters to urban slums and rural families who cannot afford other expensive options.

Headquarters 49, Sydenhams Rd, Park Town, Chennai, Tamil Nadu 600003, India

SDG’s of application

The Sustainable Development Goals are a call to action to end poverty, protect the planet and ensure peace and prosperity everywhere.
Clean Water and
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Affordable and
Clean Energy
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Industry, Innovation
and Infrastructure
SDG 9 icon
SDG 11
Sustainable Cities
and Communities
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SDG 12
Responsible Consumption
and production
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