Table 3.

Physico-chemical parameters of groundwater sample at GW2 a distance of 170m away from the canal.

Parameters	At the time of flow(Year)				At the time of non-flow(Year)
	2014	2015	2016	SD	2014	2015	2016	SD
pH	6.40	6.80	6.70	0.21	7.60	8.10	7.93	0.25
EC(µS/cm)	1071	1138	1263	97.45	1206	1347	1469	131.61
TDS(mg/L)	686	728	809	62.52	772	862	940	84.07
Chloride (mg/L)	412	440	487	37.90	463	492	541	39.32
Sulphate (mg/L)	98	106	126	14.48	117	124	146	15.02
Sodium (mg/L)	27	30	41	7.60	36	38	51	8.03
Calcium (mg/L)	86	92	91	3.12	94	100	98	3.09
Magnesium (mg/L)	27	30	44	9.19	29	31	45	8.83
Hardness (mg/L)	327	354	407	40.92	356	378	431	38.39
Nitrate (mg/L)	28.2	32.2	31.1	2.07	34.3	36.4	37.2	1.50