Table 9 Sodium (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 7.00 12.00 10.00 10.00 20.00 43.00 8.60
2010 8.00 11.00 14.00 11.00 10.00 45.00 9.00
2011 10.62 10.00 16.30 13.00 9.00 47.30 12.00
2012 11.00 11.50 17.00 12.00 9.00 50.00 11.00
2013 12.00 12.30 18.60 12.96 9.00 50.30 7.00
2014 13.00 12.00 18.00 13.00 9.00 48.00 15.00
2015 18.00 11.00 17.50 13.50 10.00 46.00 20.00
2016 19.00 11.86 17.00 14.00 10.00 44.00 21.00
2017 15.00 12.00 17.00 15.00 11.00 49.00 20.00
2018 13.00 13.00 17.10 16.00 11.50 50.00 21.00
2019 13.86 14.30 17.30 17.30 12.00 56.30 20.00