2023 Winner
Kyle Tianshi
Kyle Tianshi, from The Cambridge School, claimed the first-place title in California for his project Rapid Detection of Microplastics in Liquid: A Novel Light Scattering Method Using Fluorescence Emissions.
2022 Winners
John Benedict and Pauline Estrada
Siblings from Clovis North High School in California, are the winners of the 2022 U.S. Stockholm Junior Water Prize (S.J.W.P.) for their project on conservation of irrigation water using a drought assessment tool powered by artificial intelligence.
2021 Winner
Eshani Jha
Eshani Jha, 2021 USA Stockholm Junior Water Prize Winner and the 8th USA International Winner, explains her research, titled, “Thiol Functionalized and Manganese Dioxide Doped Biochar for the Removal of Toxic Organic and Inorganic Contaminants from Water.” 
2020 Winner
Emily Tianshi
Biomimicking Torrey Pine Needles: Atmospheric Moisture Harvesting Device Through Alternating Hydrophilic and Hydrophobic Micro-Patterns
2018 Winner
Visala Tallavarjula
Irrigation Water Usage Efficiency Improvement by Modification of Root Zone Soil Properties Using Carbon Sequestration.