Table 11 Bicarbonate (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 247.00 235.00 247.00 232.00 195.00 280.00 259.00
2010 241.00 235.90 260.00 245.00 200.00 282.00 252.00
2011 239.00 238.00 265.00 258.60 232.00 287.00 250.00
2012 240.00 250.00 266.00 260.00 238.00 290.00 248.00
2013 241.00 289.00 267.39 260.00 240.00 296.00 247.00
2014 230.00 278.00 250.00 265.00 250.00 300.00 238.00
2015 225.00 260.00 230.00 268.00 270.00 320.00 220.00
2016 201.00 225.00 209.00 270.00 280.00 339.00 198.00
2017 220.00 250.00 230.00 265.00 285.00 320.00 199.00
2018 225.00 270.00 240.00 264.00 287.00 295.00 200.00
2019 230.00 290.00 250.00 264.00 290.00 289.56 200.00