Journal of Ecohydrology

Journal of Ecohydrology

Evaluation of resilience of nitrate and phosphate polluted drinking water wells in Maragheh city to present the optimal model in 2019-2020

Document Type : Research Article

Authors
Maghsoud Amirpour 1
Hossein Yousefi 2
Naser Ebadati 3
seyed hossein Hashemi 4
1 PhD student in Environmental Engineering, Department of Environmental Science and Engineering, West Tehran Branch, Islamic Azad University,
2 Department of Renewable Energies and Environment, Faculty of New Sciences and Technologies, University of Tehran
3 Associate Prof. Dept. of geology. Islamshahr branch. Islamic Azad University
4 Associate Professor, Department of Environment, Faculty of Natural Resources and Environment, Shahid Beheshti University, Tehran
10.22059/ije.2022.335616.1589
Abstract
Background: Investigating the issue of resilience of drinking water wells and presenting an optimal model in determining their quality privacy is one of the most important tools for managing and protecting valuable groundwater resources. In this paper, the drastic model is used to evaluate resilience based on the inherent vulnerability of the aquifer based on the MODFLOW model and track the movement of particles in the aquifer by MODPATH to determine the catchment area of wells.

Materials and Methods: By Combining the results of both models in GIS environment, the pollution risk map and the resilience of drinking water wells in Maragheh city were determined regionally and in the catchment area of drinking water wells. Also, determination of resilience based on damage caused to pollutants to the aquifer within the quality area of wells. A quality assessment model based on pollutants was used to determine the quality area more accurately.

Results: Most of the drinking wells in the area were less resilient with agricultural land use. Nitrate content in Maragheh drinking water wells averaged 7.3 mg/L, which is below the standard. Phosphate content was 0.35 mg/L on average, which is higher than the standard.

Discussion and conclusion: Due to determining the quality of drinking wells in different years, a larger quality area (ten years) should be considered for wells in these areas. Smaller protection can be applied to areas with high resilience and other land uses.
Keywords
Resilience
phosphate
nitrate
Maragheh
drinking water well
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Journal of Ecohydrology
Volume 8, Issue 4
Winter 2022
Pages 1163-1171

  • Receive Date 23 September 2021
  • Revise Date 28 February 2022
  • Accept Date 28 February 2022
  • First Publish Date 28 February 2022
  • Publish Date 22 December 2021