Laboratory of the Chemistry and Environment;
Faculty of Science and Technology;
Sultan Moulay Slimane University;
Beni Mellal;
Morocco;
Laboratory of the Engineering and Applied Technologies;
Higher School of Technology;
Sultan Moulay Slimane University;
Beni Mellal;
Morocco;
Béni Mellal Khénifra Region; GROUNDWATER; Mann Kendal Method; Regression Groundwater Levels; Standardized Precipitation Index;