Kaitlyn Leatham

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Photo: University of Utah Science & Engineering Fair

Water in rural Utah is not an abstract concern. It flows from snowpack through irrigation systems that were designed for agricultural communities, passes through groundwater aquifers that have absorbed decades of industrial and agricultural runoff, and ends up in taps and wells that families depend on without necessarily knowing what is in them. For Kaitlyn Leatham, growing up in this landscape, water contamination was not a topic she discovered in a textbook. It was the world outside her door — and it became the subject she decided to study with the tools and rigor of a working scientist, while she was still an early teenager.

Leatham began her research journey in middle school, motivated by a question that she recognized as both scientifically complex and practically urgent: what contaminants are present in water sources that rural communities use, and what are the health implications? The question is deceptively simple. Answering it requires sample collection protocols, chemical analysis techniques, statistical interpretation, and an understanding of environmental health literature that most adults would find daunting. Leatham built those skills methodically, working through the University of Utah Science and Engineering Fair pathway that connects Utah student researchers to national ISEF competition.

Her research focused on the intersection of environmental contamination and community health — the specific question of what people are actually drinking and what the science says about the consequences. In rural communities, water quality testing is often less frequent and less comprehensive than in urban settings. Residents may rely on private wells that are exempt from municipal water quality regulations. The gap between what is tested and what is present is a genuine public health concern, and it is precisely the kind of problem that a motivated young scientist with local knowledge can make a meaningful contribution to investigating.

What distinguishes Leatham's work from standard science fair projects is the element of community orientation. She has spoken about wanting her research to be useful to the people who live near the water sources she studies — to translate scientific findings into information that rural residents can actually act on. This is not a common aspiration among competition-track researchers, who typically optimize for judges rather than stakeholders. Leatham's dual focus — rigorous enough to qualify for national competition, accessible enough to matter to neighbors — reflects a maturity of purpose that is unusual at any age.

She qualified for the Regeneron International Science and Engineering Fair through the University of Utah Science and Engineering Fair pathway — one of the most competitive regional affiliates feeding into ISEF, which draws finalists from across the American West. ISEF qualification at the age range Leatham competed in places her among a tiny fraction of American students who have demonstrated both the research skills and the persistence required by a multi-year project development process.

The broader context matters here: Regeneron ISEF 2023 and 2024 both had strong contingents of environmental science projects, reflecting a generation of young researchers who see climate change, water quality, and ecosystem health as the defining challenges of their lifetimes. Within that cohort, Leatham represents something specific — the rural scientist, working on problems rooted in her own geography, bringing data-driven analysis to communities that are often underrepresented both in research subjects and in research practice. The laboratory, for her, is not disconnected from the landscape. They are the same place.

Kaitlyn Leatham is still in her teens, still building her research portfolio, and still, by all available evidence, still choosing the hardest questions. The water contamination work she began in rural Utah is the foundation of a scientific career that has already demonstrated its trajectory. Where that trajectory leads — to university environmental science, to policy research, to engineering solutions — is a question whose answer is still being written, one data point at a time.