Table 1.

Statistical parameters on borehole discharge, borehole depth and weathering thickness in the study area.

Parameter	Minimum	Maximum	Mean	Standard deviation
Borehole depth (m)	52.88	91.00	61.97	7.63
Weathering thickness (m)	2.00	63.40	27.42	11.02
Borehole depth below the base of the saprolites (m)	13.65	74.59	34.55	11.40
Borehole discharge (m3/h)	0.3	24	3.45	3.79