16 research outputs found
Water quality index toward a reliable assessment for water supply uses: a novel approach
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Evaluation of Metal Contamination in the Groundwater of the Aosta Valley Region, Italy
No full textOne hundred and sixty-two groundwater samples were collected from eighteen locations of the Aosta Valley region during the years 2007–2015 to determine the concentrations
of Al, As, Ba, Cd, Cr, Cu, Fe, Mn, Ni, Pb, Se,
and Zn. A heavy pollution index (HPI) model was used to
evaluate the metal contamination status in the groundwater
of the study area. Spatial distribution maps of the HPI
values were prepared using a geographic information system
(GIS) technique so that the groundwater quality status
of the area could easily be recognized. The concentrations
of As, Ba, Cd, Cu, Pb, and Zn did not exceed the drinking
water permissible limits for years considered. However, the
concentrations of Al, Cr, Fe, Mn, Ni, and Se were above
the drinking water permissible limits established by the
World Health Organization (WHO 2006). The HPI values
were above the critical pollution index of 100 during the
years 2011 and 2012. The groundwater in this study area
was contaminated with some metals and urgently requires
treatment to control current and future contamination
problems
Geochemical assessment of water quality and its suitability for agricultural use in the Djedra wadi subwatershed, northeast Algeria
No full textDevelopment and evaluation of an innovative Enhanced River Pollution Index model for holistic monitoring and management of river water quality
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