Well No.	Depth to water, (m, *GS)	Water level (m, **MSL)	pH	EC (µS/cm)	TDS (mg/L)	Major anions				Major cations				Nutrients		Stable isotopes
Well No.	Depth to water, (m, *GS)	Water level (m, **MSL)	pH	EC (µS/cm)	TDS (mg/L)	HCO₃ (mg/L)	CO₃ (mg/L)	SO₄ (mg/L)	Cl (mg/L)	Ca (mg/L)	Mg (mg/L)	Na (mg/L)	K (mg/L)	NO₃ (mg/L)	PO₄ (mg/L)	δ¹⁸O, ‰	δD, ‰
1	3.44	14.32	8.7	1132	608.7	158.6	14	198.5	98.6	22.74	35.43	101.3	58	12.89	0.25	1.12	13.05
2	2.33	12.47	7.6	1952	1213	100	Nil	495	294.1	190.2	75	90.2	18	55.2	0.02	3.28	27.99
3	3.25	13.65	8.2	729	369.0	128.1	Nil	122.3	21.3	47.8	13.2	27.6	16	11.9	0.03	−	−
4	2.85	13.95	8.2	1023	630.6	158.6	Nil	118.1	142.6	51.25	30.26	83.5	16	8.54	0.03	−	−
5	2.3	15.3	8.2	522	260.4	128.1	Nil	35.9	59.3	37.43	11.48	15.5	37	11.21	0.05	−	−
6	3.99	15.32	8.2	994	568.4	180.2	Nil	198.5	87.6	51.69	32.73	81.3	27	11.6	0.04	−	−
7	2.4	12.47	8.0	1562	935.6	112.2	Nil	372.8	218.7	153.2	47.6	69.3	18	34.64	0.02	−	−
8	3.78	14.55	9.2	567	319.1	42.7	12	129.9	50.7	18.3	17.84	52.8	16	7.55	0.04	2.3	23.22
9	2.45	12.47	8.1	719	385.5	101.3	Nil	112.5	96.4	56.3	25.38	36.9	7	4.53	0.02	2.33	19.89
10	3.2	14.85	8.9	636	371.1	134.2	Nil	112.3	21.3	40.6	13.43	31.74	7	5.26	0.03	−	−
11	4.45	14.86	8.4	444	225.6	158.6	Nil	27.9	38	33.95	11.87	27.8	7	7.25	0.03	−	−
12	2.35	15.1	8.5	1108	540.3	111	Nil	187.2	119.2	43.38	32.77	80	22	9.22	0.04	−	−
13	3.9	16.45	8.3	677	251.2	46.97	Nil	133.44	31.24	51	14.64	14.8	3	7.99	0.03	−	−
14	3	16.4	8.2	581	236.9	176.9	Nil	54.2	39.3	77	9.41	10.58	10	6.67	0.06	0.39	3.8
15	−	−	7.8	999	599.5	150.67	10	187.2	111.82	113.8	21.48	57.96	6.4	40.37	0.26	−	−
16	−	−	8.2	1152	640.9	109.19	Nil	163.2	150.87	96.2	29.64	62.33	12.4	28.75	0.42	−	−
17	3.40	13.36	8.2	1184	769.3	117.73	12	279.36	172.17	136.6	43.68	55.66	4.4	18.6	0.65	4.38	30.09
18	3.33	14.80	8.5	1216	805.6	122.61	Nil	179.52	189.92	74.8	36.6	98.44	17.2	42.13	0.55	3.5	30.10
19	2.60	13.1	7.9	1564	920.2	81.13	Nil	255.84	234.3	78.4	55.44	123.05	18.4	53.22	0.47	4.11	33.91
20	−	−	7.8	1944	1080	268.4	11	283.2	248.5	193.6	59.64	72.45	20	45.11	0.34	4.81	34.80
21	−	−	8.1	1949	1190	122	14	384	266.25	187	53.04	106.95	14.8	52.8	0.67	3.9	28.43
22	−	−	7.6	1960	1219	275.11	Nil	291.84	269.8	184.6	54.72	108.33	24.4	56.47	0.72	5.16	33.91
23	4.1	14.32	8.5	792	440.6	144.57	Nil	99.84	92.3	63.8	21.84	46.69	17.6	25.36	0.02	+2.2	+20.52
24	3.55	14.83	8.3	770	428.3	193.37	Nil	109.44	67.45	65	17.04	48.07	14	6.24	0.04	−	−
25	3.6	14.32	8.8	963	566.8	111.02	Nil	150	79.875	64	21.96	46.46	34	3.22	0.08	−	−
26	−	−	8.9	678	399.9	156.77	Nil	68.64	21.3	27.8	11.16	40.25	10.8	4.89	0.06	−	−
27	−	−	8.8	646	380.6	241.56	14	144	71	130.4	10.8	27.14	28	5.29	0.04	−	−
28	3.90	14.74	8.2	918	510.7	91.5	Nil	187.2	102.95	37.6	32.04	80.04	26.8	3.28	0.03	−	−
29	−	−	7.8	1138	579.5	188.49	Nil	360	106.5	174	24.6	70.15	14.4	3.69	0.05	−	−
30	−	−	8.7	635	364.8	286.7	10	79.92	17.75	81.8	12.6	36.11	12.4	4.5	0.07	0.65	11.31
31	3.8	15.6	8.9	578	340.2	290.97	Nil	116.64	21.3	84.4	12.72	40.02	15.6	3.19	0.03	−0.19	3.4
32	2.90	15.06	8.5	813	478.1	245.22	Nil	76.8	21.3	33.6	27.84	22.08	18.8	8.5	0.03	−	−
33	−	−	8.9	548	322.4	214.72	Nil	99.84	21.655	88.4	18.24	11.96	13.2	6.77	0.04	−	−
34 Ismailia Canal	−	15.6	9.2	359	211.5	117.73	12	29.76	16.33	19.8	15.96	11.5	5	6.24	0.02	+3.42	+29.4