Variable	Unit	Pre monsoon						Post monsoon
Variable	Unit	Min.	Max.	Mean	Med.	SD		Min.	Max.	Mean	Med.	SD
Depth	M	84	304	222.0	247	63.4		84	304	222.0	247	63.4
pH		6.4	7.9	6.8	6.7	0.4		6.3	7.9	6.7	6.6	0.4
EC	µS/cm	92	1715	567	452	381		93	1666	565	456	379
ORP	mV	‒161	134	‒59	‒76	68		‒120	135	‒49	‒56	55
Fe	mg/L	BDL	11.09	3.61	2.88	2.88		0.10	12.99	3.76	2.79	2.87
Mn	mg/L	BDL	1.55	0.44	0.37	0.35		BDL	1.75	0.42	0.31	0.4
As	mg/L	BDL	0.137	0.011	0.003	0.024		BDL	0.131	0.013	0.005	0.023