Assessing the quality of water in Swarnamukhi river and locating polluted areas through an novel spatial analysis and comparing the results with drinking and irrigation standards

Researching water contamination and learning the primary characteristics of contaminants allows one to pinpoint areas of a catchment basin that are more likely to be polluted, which is essential for establishing water quality standards for such areas. Procedures and Materials: Several chemical param...

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Bibliographic Details
Main Authors: Sanjay, S., Ganesan, R.
Format: Conference Proceeding
Language:English
Subjects:
Chemical oxygen demand
Contaminants
Data analysis
Drinking
Drinking water
Geographic information systems
Irrigation
Nitrates
Nitrogen
Nitrogen dioxide
Phosphorus
Pollution
Quality standards
Spatial analysis
Water quality
Water sampling
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Summary:Researching water contamination and learning the primary characteristics of contaminants allows one to pinpoint areas of a catchment basin that are more likely to be polluted, which is essential for establishing water quality standards for such areas. Procedures and Materials: Several chemical parameters, including Chemical Oxygen Demand (COD), Total Nitrogen (TN), Total Phosphorus (TP), Nitrate nitrogen (NO3-N), and Nitrite nitrogen, were included during the data analysis that was conducted using GIS software (NO2-N). For a better understanding of this, 36 water samples were collected from the Swarnamukhi River in Andhra Pradesh, India. Geographic information systems (GIS) were utilised in tandem with single factor pollution index and comprehensive pollution index approaches to evaluate the level of water quality (GIS). The polluted areas of the catchment basin were located and visualised. Findings: These represent the overall water quality in areas affected by different contaminants; specifically, levels of total phosphorus (18.6, 5.6, 0.139, 0.458, 0.030, 3.617 mg/L) and nitrite nitrogen (3.617 mg/L) surpassing the standard category III. Taking into account the drinking level as 10, 1, 0.05, 0.5, 1, 10 mg\L and the irrigation standard values as 20, 2, 0.5, 1, 45, 20 mg\L, it can be concluded that there is no significant difference between the two groups. An 80% G-power with a 95% confidence interval is used for the calculation. A significance level of 0.000 (p
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0234061