Date of Award

5-2025

Document Type

Project

Degree Name

Master of Public Health

Department

Health Science and Human Ecology

First Reader/Committee Chair

Swatantra Kethireddy

Abstract

The research examines the water quality of Southern California, focusing on nitrate (NO3) levels. The study aims to provide insights into potential health disparities stemming from disproportionate exposure to these contaminants, particularly in underserved communities. Utilizing advanced analytical tools such as the UV spectrophotometer AquaMate Plus, water samples (n=40) were analyzed to assess nitrate levels compared to previous data (n=70 Approx.). The UV spectrophotometer operates based on measuring the absorbance of light intensity by the analyzed samples, providing valuable data for water quality assessment. Preliminary findings suggest varying levels of nitrate presence across the studied regions (0.4-43 ppm), influenced by agricultural activities, industrial discharge, and urban development. San Bernardino, Riverside, Palm Springs, and Ontario exhibit distinct contamination patterns, with certain areas experiencing higher concentrations of these pollutants.

Addressing water contamination requires collaborative efforts among policymakers, regulatory agencies, and community stakeholders. Strategies such as source water protection, pollution prevention measures, and infrastructure upgrades are essential for mitigating the health risks associated with these contaminants. Furthermore, targeted interventions tailored to the needs of vulnerable populations can help alleviate disparities in water quality- related health outcomes.

This research highlights the importance of mitigating nitrates-related water contamination in Southern California's water sources, especially in places with many health inequalities. Organizations may collaborate to ensure that all citizens have equitable access to clean and safe drinking water by utilizing innovative analytical tools and implementing comprehensive initiatives. This will improve community health and well-being.

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