Millions of litres of clean, treated drinking water are lost daily across India at community public standposts. Users frequently leave manual rotary taps spinning open, or the mechanical components break entirely due to rough, high-frequency public usage. Water overflows onto roads, creating muddy breeding grounds for mosquitoes. High school students can design low-cost, robust, mechanical auto-shutoff valves or kinetic pressure-driven switches that require zero electricity and withstand heavy public wear.