Across urban and rural regions, drinking water sources are increasingly contaminated with microplastics — tiny fragments from synthetic textiles, packaging, and industrial runoff. These particles are invisible to the naked eye, yet they infiltrate groundwater, rivers, and even treated municipal supplies. The problem is compounded by the absence of standardized detection methods at the consumer level and limited monitoring capacity in many water utilities. As a result, millions of people unknowingly consume microplastics daily, raising concerns about long-term health impacts such as endocrine disruption, organ stress, and bioaccumulation., The issue is particularly severe in areas with high plastic usage and inadequate waste management, where microplastics enter water systems through leaching, stormwater drainage, and sewage discharge. Current purification methods often fail to filter particles smaller than 5 microns, allowing contamination to persist. This hidden threat undermines public trust in water safety, complicates policy enforcement, and creates uncertainty for communities that rely on groundwater or piped supply., The lack of affordable, scalable monitoring tools leaves households, schools, and hospitals vulnerable, while regulators struggle to quantify the extent of contamination. Without reliable detection and reporting, the problem remains invisible, perpetuating risks to health, ecosystems, and food chains. Addressing microplastic contamination in drinking water is critical to ensuring safe consumption, protecting vulnerable populations, and maintaining sustainable water systems