Evaluation of risk to groundwater due to extractive waste in abandoned mine site: Case study of Gorno, NW Italy

N. Mehta*, Manuela Lasagna, Giovanna Antonella Dino, Franco Ajmone-Marsan, Domenico Antonio De Luca

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Extractive waste (EW) from abandoned mines can pose serious pressure to natural watersystems.The harmful effects of EW such as deterioration of water sources by allowing leachingof potentially toxic elements (PTE) into groundwater make it necessary to carry out careful,scientific and comprehensive studies on this subject.The present research used risk analysis ap-proach to study the effect of presence of PTE to groundwater in abandoned mine site in Gorno,Lombardy (NW Italy). Results indicated that the groundwater was at risk due to Cd and Znwhen point of compliance (POC) was at zero m and decreased to no risk at distance of1500m from waste dumps.
Original languageEnglish
Pages (from-to)39-45
Number of pages7
JournalGeoingegneria Ambientale e Mineraria
VolumeLVI
Issue numberI
Publication statusPublished - Apr 2019

Keywords

  • Mining waste
  • Risk analysis
  • Abandoned mine site
  • Extractive waste
  • Groundwater
  • Hydrogeology

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