GIS-based assessment of groundwater quality and suitability for drinking and irrigation purposes in the outlet and central parts of Wadi El-Assiuti, Assiut Governorate, Egypt

Megahed, Hanaa A.

doi:10.1186/s42269-020-00428-3

Bulletin of the National Research Centre

Table 6 Hypothetical salt combination groups of the obtained groundwater samples

From: GIS-based assessment of groundwater quality and suitability for drinking and irrigation purposes in the outlet and central parts of Wadi El-Assiuti, Assiut Governorate, Egypt

Group	Salt assemblages	Sample No.
1	NaCl > CaHCO₃ > MgHCO₃	12, 14, 9, 28, 33, 34, 38, 41, 42, 43, 44, 45, 47, 48, 49, 50, 5, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 63, 64, 65, 66, 67, 69, 70, 71, 72, 73, 77, 78, 79, 80, 82, 84, 87, 88, 89, 90, 91, 92, 100, 102, 104 105, 106, 107, 108, 109, 110, 111, 113, 123, 127, 128, 129, 132 135, 136, 139, 146, 147, 153
2	NaCl > CaHCO₃ > Na₂SO₄	2, 3, 32, 36, 39, 42, 43, 50, 53, 54, 55, 56, 57, 58, 61, 64, 65, 66, 67, 69, 71, 72, 73, 77, 78, 79, 88, 89, 92, 94, 96, 97, 102, 104, 105, 106, 107, 108, 110, 111, 13, 115, 116, 117, 118, 119, 120, 121, 122, 127, 128, 129, 135
3	NaCl > Na₂SO₄ > MgHCO₃	6, 12, 14, 19, 28, 33, 34, 37, 38, 41, 43, 45, 47, 48, 49, 51, 52, 54, 58, 60, 61, 63, 70, 71, 72, 73, 77, 80, 84, 86, 88, 90, 95, 96, 98, 99, 05, 109, 110, 114, 123, 132, 136, 139, 146, 147, 153
4	NaCl > MgHCO₃ > KCl	3, 6, 12, 15, 16, 19, 23, 27, 37, 44, 53, 54, 60, 61, 63, 65, 67, 71, 72, 73, 79, 82, 84, 86, 87, 88, 92, 93, 96, 97, 98, 99, 105, 110, 111, 121, 123, 132, 139, 146, 147, 153, 159
5	NaCl > Na₂SO₄ > NaHCO₃	3, 6, 8, 9, 2, 4, 15, 16, 19, 22, 32, 33, 34, 37, 38, 7, 43, 48, 49, 51, 54, 58, 60, 63, 65, 67, 70, 77, 79, 80, 88, 90, 85, 99, 109, 114, 116, 123, 136, 139, 147, 153, 159
6	NaCl > MgSO₄ > CaSO₄	2, 3, 6, 12, 14, 16, 9, 22, 25, 27, 36, 44, 45, 53, 54, 58, 60, 63, 65, 67, 69, 70, 77, 80, 81, 82, 87, 88, 89, 90, 91, 93, 97, 107, 111, 114, 117, 123
7	NaCl > MgCl > KCl	2, 27, 28, 36, 39, 42, 50, 53, 55, 56, 57, 59, 64, 66, 69, 78, 82, 97, 100, 102, 104, 106, 107, 108, 111, 115, 118, 119, 120, 121, 22, 27, 129, 135
8	NaCl > MgSO₄ > CaHCO₃	3, 6, 12, 19, 38, 42, 45, 48, 51, 52, 56, 58, 65, 66, 70, 80, 89, 90, 91, 93, 94, 95, 97, 100, 104, 106, 107, 108, 113, 114, 115, 116, 128, 135
9	NaCl > CaSO₄ > MgSO₄	28, 38, 42, 48, 51, 52, 55, 56, 57, 59, 64, 66, 78, 94, 95, 100, 102, 104, 106, 108, 115, 116, 118, 119, 120, 122, 127, 28, 29, 136
10	NaCl > MgHCO₃ > NaHCO₃	3, 6, 12, 16, 29, 37, 44, 53, 54, 60, 63, 65, 67, 69, 82, 87, 88, 93, 97, 99, 111, 117, 121, 123, 139, 147, 153, 159–
11	NaCl > CaHCO₃ > MgSO₄	2, 3, 14, 22, 43, 53, 54, 60, 63, 67, 69, 77, 8, 82, 87, 111, 117, 120, 121, 122, 123, 136, 159
12	NaCl > MgCl > MgSO₄	27, 28, 42, 50, 53, 55, 57, 59, 64, 66, 69, 78, 89, 97, 100, 104, 106, 119, 122, 129, 135
13	MgHCO₃ > NaCl > KCl	1, 2, 5, 7, 8, 9, 11, 17, 18, 22, 25, 26, 30, 31, 32, 35, 36, 40, 81
14	CaHCO₃ > NaCl > MgSO₄	5, 7, 8, 9, 11, 16, 17, 18, 22, 25, 26, 27, 30, 31, 40, 81
15	MgHCO₃ > NaCl > Na₂SO₄	2, 5, 7, 8, 9, 11, 22, 29, 31, 32, 35, 36, 40
16	MgHCO₃ > NaCl > NaHCO₃	1, 2, 5, 8, 18, 29, 30, 32, 35, 36, 40, 81
17	CaHCO₃ > NaCl > Na₂SO₄	5, 7, 8, 9, 11, 16, 22, 30, 31, 37, 40
18	MgHCO₃ > Na₂SO₄ > NaCl	3, 8, 9, 16, 18, 22, 32, 65, 67, 81, 93
19	NaCl > NaHCO₃ > Na₂SO₄	5, 29, 30, 35, 40, 71, 73, 105, 132, 146
20	NaHCO₃ > NaCl > MgHCO₃	23, 61, 72, 79, 84, 92, 96, 98, 110
21	MgHCO₃ > CaHCO₃ > NaCl	1, 8, 13, 17, 17, 25, 31, 81
22	CaHCO₃ > MgHCO₃ > NaCl	7, 9, 11, 22, 26, 30, 40
23	MgSO₄ > NaCl > Na₂SO₄	33, 34, 37, 39, 41, 47, 49
24	NaCl > MgHCO₃ > CaHCO₃	3, 5, 6, 5, 23, 99
25	NaCl > NaHCO₃ > MgHCO₃	15, 71, 73, 105, 32, 146
26	MgSO₄ > NaCl > CaHCO₃	33, 34, 39, 41, 47
27	MgHCO₃ > NaCl > CaHCO₃	2, 29, 32, 35
28	Na₂SO₄ > NaCl > MgHCO₃	23, 44, 87, 91
29	CaHCO₃ > Na₂SO₄ > NaCl	18, 25, 26, 81
30	CaHCO₃ > NaCl > MgHCO₃	16, 27, 37
31	Na₂SO₄ > MgHCO₃ > CaHCO₃	4, 6, 99
32	MgHCO₃ > NaHCO₃ > NaCl	7, 31
33	Na₂SO₄ > MgHCO₃ > NaCl	26

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