Advance point-of-use household applications to check arsenic effect from drinking water in Pirpainti (Bhagalpur, Bihar) area to reduce Health risk Harinarayan Tiwari, Akanksha Bhatia, Pritikana Das, Anish Kumar Bharti Indian Institute of Technology Roorkee, India haribit31@gmail.com Harinarayan Tiwari Research Scholar, Department of Water Resources Development and Management, IIT Roorkee, India Akanksha Bhatia & Anish Kumar Bharti Research Scholar, Department of Civil Engineering, IIT Roorkee, India Pritikana Das Research Scholar, Department of Centre of Transportation, IIT Roorkee, India KEYWORDS Arsenic, Pirpainti, Bhagalpur, Water, Residential Scale ABSTRACT Bihar is the third largest state of India having population over 86 million. 89% of its population resides in rural area. 85 % of rural population of the country uses ground water for drinking and domestic purposes. Bihar, one of the largest states of India with high groundwater potential is facing a serious water quality problem. Presence of Arsenic is reported in Bhagalpur, a district of Bihar. Increasing trend of amount of arsenic in ground water is issue of serious concern in Bhagalpur district, Bihar. Pirpainti, a block under Bhagalpur is the area where the percentage of affected population is increased from 12 percent to 40 percent in 2011-2012. There exists an urgent necessity for much stronger regional cooperation of such international Organizations as UNESCAP, UNICEF, WHO etc., local NGOs, governments and other relevant stakeholders to advance point of use application to minimize the arsenic effect and so to reduce the health risks in Pirpainti area, Bhagalpur. SONO Filter may be designed according to local condition and then used to reduce the arsenic affect. Introduction 85 % of rural population of the country uses ground water for drinking and domestic purposes. [www.cgwb.gov.in]. The provision of clean drinking water has been given priority in the Constitution of India, with Article 47 conferring the duty of providing clean drinking water and improving public health standards to the State. The government has undertaken various programmes since independence to provide safe drinking water to the rural masses. Till the 10th plan, an estimated total of Rs.1, 105 billion spent on providing safe drinking water. One would argue that the expenditure is huge but it is also true that despite such expenditure lack of safe and