Appraisal of piped water quality supplied to Liaquatabad Town, Karachi by using Water Quality Index and Geospatial Assessment

Authors

  • Aamir Alamgir Institute of Environmental Studies, University of Karachi, Karachi
  • Noor Fatima Institute of Environmental Studies, University of Karachi, Karachi
  • Shah Noor Khan Institute of Environmental Studies, University of Karachi, Karachi
  • Aliza Naseer Institute of Environmental Studies, University of Karachi, Karachi
  • Aliza Khan Institute of Environmental Studies, University of Karachi, Karachi
  • Muhammad Noman Siddiqui Institute of Environmental Studies, University of Karachi, Karachi
  • Fahim Jafri Institute of Environmental Studies, University of Karachi, Karachi

DOI:

https://doi.org/10.6092/issn.2281-4485/19413

Keywords:

piped water, WQI, metals, contamination, Karachi

Abstract

In 2022, 23 piped water samples from Liaquatabad town were examined study for pH, TDS, turbidity, chloride, hardness, nitrate, and sulphate. Majority of these indicators, with the exception of TDS, hardness, and sulphate, complied with the standards given by WHO and NSDWQ. Ca > Mg > Pb > Fe > Ni > Cr > As were metals that were found in that order. E. coli was found in about 74% of the samples while MPN Technique's microbial assessment, which found that more than 70% of the samples were contaminated with faecal matter. Despite having adequate physico-chemical properties in 95.6% samples, the Water Quality Index (WQI) showed that they were unsafe for drinking due to metal contamination. The samples' microbiological quality was good in just 26% of them. Untreated sewage discharge, cross-contamination and presence of faeces were all blamed for the pollution in the samples and responsible for serious health dangers.

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Published

2024-07-22

How to Cite

Alamgir, A., Noor Fatima, Shah Noor Khan, Aliza Naseer, Aliza Khan, Muhammad Noman Siddiqui, & Fahim Jafri. (2024). Appraisal of piped water quality supplied to Liaquatabad Town, Karachi by using Water Quality Index and Geospatial Assessment. EQA - International Journal of Environmental Quality, 62, 55–68. https://doi.org/10.6092/issn.2281-4485/19413

Issue

Vol. 62 (2024)

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Articles

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Copyright (c) 2024 Aamir Alamgir, Noor Fatima, Shah Noor Khan, Aliza Naseer, Aliza Khan, Muhammad Noman Siddiqui, Fahim Jafri

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