Table 4 EC (μS/cm) 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 624 578 641 582 553 1142 643
2010 621 579 649 592 550 1151 645
2011 610 587 683 615 620 1163 658
2012 604 612 679 620 631 1176 646
2013 598 663 687 637 633 1187 624
2014 588 645 651 642 644 1169 621
2015 566 628 606 646 666 1182 584
2016 534 607 561 655 683 1198 543
2017 550 640 593 652 691 1187 544
2018 586 661 611 658 696 1158 522
2019 630 682 647 662 700 1160 552