Risk or Sensitivity Assessment of Surface Water Pollution in the Catchment Area of Ahmad Beyglu Dam Using a WRASTIC Model

ValiOghloo, Mohammad; Zakeri Niri, Mahmoud

doi:10.22034/hyd.2021.47234.1599

Document Type : پژوهشی

Authors

¹ Water Resources Management and Engineering graduated, Islamshahr Branch, College of Engineering, Islamic Azad University, Iran

² Department of Civil Engineering, Islamshahr Branch, Islamic Azad University, Islamshahr, Iran

https://doi.org/10.22034/hyd.2021.47234.1599

Abstract

Contamination risk assessment of water resources and pollution zoning can provide useful information for quality control of these resources. In this regard, in line with policies to prevent pollution of water resources and control of pollutants, optimal use of water resources, determining the potential risks of pollutants in catchments seems necessary. The purpose of this study is to assess the pollution risk of Ahmad Biglou Dam catchment using WRASTIC method. Therefore, in the present study, the Iranian surface water quality index (IRWQISC) was used to evaluate the efficiency of the vestic index and its adaptation to the real environment. According to the results, the risk levels of wastewater discharge, recreational and tourism activities, agricultural activities, catchment size, communication routes, industrial activities and land use for sub-basins A1, A2, A3, A4, A4, A5, A7, A5, A6, A5, With 35,35,44,28,29,16 and 18. The results show the fact that the level of risk from sparsely populated, pristine and less developed industrial and recreational areas to densely populated areas, has access to, close to the city, tourism and has increasing industries. According to the results of model validation with the current status of water pollution in the catchment area of Ahmad Biglou Dam, sub-basin A2 with 70% compliance at the location of quality monitoring station No. 2 and with 81% compliance at the location of quality monitoring station No. 3 and sub-basin A3 at the location of quality monitoring station No. 4 has 88% correlation with the obtained risk index.

Keywords

20.1001.1.23833254.1400.8.28.9.2

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Risk or Sensitivity Assessment of Surface Water Pollution in the Catchment Area of Ahmad Beyglu Dam Using a WRASTIC Model

References

References

Volume 8, Issue 28 - Serial Number 28
December 2021
Pages 163-189

Risk or Sensitivity Assessment of Surface Water Pollution in the Catchment Area of Ahmad Beyglu Dam Using a WRASTIC Model

References

References

Volume 8, Issue 28 - Serial Number 28December 2021Pages 163-189

Volume 8, Issue 28 - Serial Number 28
December 2021
Pages 163-189