iArsenic: Mobile and Web Tool for Arsenic Risk Assessment in Tubewell Water (Bilingual: Bengali–English): Digital platform for community-level screening of arsenic contamination in Bangladesh

iArsenic is a bilingual (Bengali–English) digital application designed to assess arsenic contamination risk in tubewell water without the need for laboratory testing. The tool uses well-specific parameters such as platform staining, depth and location to generate an instant arsenic risk estimate. Developed to support public health initiatives in arsenic-affected regions, iArsenic enables users to conduct rapid, accessible, and cost-free screening through a mobile or web interface.