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Geotek Water Solutions from Jos, Nigeria, has won The Water Council's fall Tech Challenge, becoming the first African company to secure the $10,000 prize. The company’s innovative use of low-enthalpy geothermal energy for water treatment significantly reduces energy costs and enhances water access in emerging markets. The runner-up, Service ID from Fitchburg, Wisconsin, received $5,000 for its AI-driven tool that helps identify lead pipes, contributing to improved water safety and compliance.