Table 7 Magnesium (mg/l) values of water points in the Mougheul area (2009–2019)

From: Physicochemical evolution and evaluation of groundwater quality in Mougheul area (Southwest of Algeria)

Years D1 D2 D3 D4 D5 W6 W the farm
2009 54.00 41.00 55.00 41.00 27.00 83.60 50.63
2010 53.00 43.00 49.50 40.00 35.00 85.00 50.00
2011 45.00 45.00 49.00 42.30 48.00 85.40 49.60
2012 43.00 46.00 45.00 43.00 49.00 86.00 51.00
2013 40.00 49.00 42.00 45.00 50.00 88.70 54.00
2014 38.00 45.00 40.00 45.00 52.00 87.00 49.00
2015 30.00 42.00 38.00 40.00 54.00 86.00 39.00
2016 28.00 40.00 35.00 38.60 57.00 85.00 31.00
2017 30.00 46.00 36.00 41.00 56.50 86.00 30.00
2018 40.00 47.00 38.00 42.00 56.60 85.00 31.00
2019 48.00 47.30 39.00 42.30 56.60 87.60 32.00