Perception and Quality of Water: Understanding Student Preferences and Water Quality at Belmont University

Publication Date

Spring 2025

Presentation Length

Poster/Gallery presentation

College

College of Sciences & Mathematics

Department

Biology, Department of

Student Level

Undergraduate

SPARK Category

Research

SPARK Session

10:15-11:45

Presentation Type

Poster

Summary

Water quality perception is influenced by factors such as mineral content, pH, and alkalinity, which shape our preferences and choices when it comes to drinking water. This study aimed to explore whether Belmont University students could tell the difference between various types of water based on taste, and how their perceptions compared to actual scientific measurements. It was expected that students would prefer bottled and filtered water over tap and fountain water, with their perceptions potentially not aligning with the true chemical quality of the water. In total, 27 participants took part in a blind taste test involving tap water, water from Belmont's bottle fill station, Deer Park spring water, and Essentia water. The water samples were analyzed for pH, alkalinity, and total dissolved solids, and participants completed surveys both before and after tasting. Preliminary findings reveal that tap water was the least preferred, while Essentia and fountain water were favored most. When it came to perceptions of pH levels, there was little correlation with the actual measurements, suggesting that personal experience and taste had a greater influence on preference than the water's chemical composition. These results show a clear disconnect between how students perceive water quality and its actual scientific properties. This highlights the influence of taste on water selection and the need to address perception biases in water quality education. By understanding these biases, we can improve public awareness and encourage more accurate judgments about water quality.

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