Application of the water quality index (WQI) in order to assess the quality of groundwater.

A variety of human activities are having a detrimental effect on the quality of groundwater, particularly shallow groundwater. This problem is becoming more widespread. Monitoring of groundwater has thus become an absolute need in order to maintain the quality of the water within a certain, acceptablerange. In the current research project, the Water Quality Index was used to conduct an assessment ofthe groundwater quality in the Mathura neighborhood around township area. For the purpose of calculating the Water Quality Index (WQI), eight major criteria were selected because of their significant influence on determining the overall quality of drinking water. These eight criteria are pH,total hardness, alkalinity, chloride, total dissolved solids, electrical conductivity, and nitrate and fluoride. The WQI for each of the 20 samples has been computed and established. According to the findings of the WQI, ninety percent of the water samples were classified as having "Very Bad to Bad"quality, while just ten percent were placed in the "Medium" category. There was not a single sample that was determined to be in the "excellent to good" category, which suggests that the water must firstbe subjected to an appropriate level of treatment before it can be utilized directly. After going through the necessary purification processes, the water is fit for human consumption. [ABSTRACT FROM AUTHOR]