ASSOCIATION BETWEEN PHYSICOCHEMICAL AND MICROBIOLOGICAL QUALITY OF DRINKING WATER AND THE PREVALENCE OF GASTROINTESTINAL DISEASES IN FERGANA CITY
Keywords:
Drinking water quality; Physicochemical indicators; Microbiological contamination; Gastrointestinal diseases; Public health; Fergana cityAbstract
access to safe drinking water is one of the most important factors influencing public health. The quality of drinking water, particularly its physicochemical and microbiological characteristics, plays a significant role in the development of gastrointestinal diseases. This study aimed to assess the physicochemical and microbiological quality of drinking water in Fergana city and to determine its association with the prevalence of gastrointestinal diseases among the population.
Water samples were collected from different districts of Fergana city and analyzed for physicochemical parameters such as pH, turbidity, total dissolved solids, nitrates, and residual chlorine, as well as microbiological indicators including total coliforms and Escherichia coli. Data on gastrointestinal diseases were obtained from official healthcare statistics. The results revealed that in several areas, drinking water quality indicators exceeded hygienic standards, particularly with respect to microbial contamination and nitrate concentration. A positive correlation was observed between poor drinking water quality and increased incidence of gastrointestinal diseases.
The findings indicate that insufficient drinking water quality remains a significant risk factor for gastrointestinal morbidity in Fergana city. Strengthening water quality monitoring and improving water treatment systems are essential to reduce water-related health risks.
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