Parameters Autumn Spring Summer Winter Average± SD
Temp. 24.7 22.7 31 15 23.4±6.6
pH 8.5 8.1 7.9 8 8.1±0.3
E.C 3950 2566.7 1533.3 1350 2350.0±1193.6
D.O 2.7 1 1.4 2.8 2.0±0.9
T.S.S 176.7 332 125.7 302.5 234.2±98.8
T.D.S 21676.7 11881.3 14060 19267 16721.3±4529.3
NH4+-N 2.8 1 0.9 1.2 1.5±0.9
NO3--N 0.3 0.2 0.1 0 0.2±0.1
SO4-- 4203 1959.7 1145.2 1748.5 2264.1±1337.9
Cl- 4779.3 4948.9 4500.9 5176.9 4851.5±284.9
Alkal 333.3 392.5 300 400 356.5±48.0
Total Hardness 2746.7 2445 2333.3 3020 2636.3±309.7
Ca++ 1349.3 288.5 316.6 348.7 575.8±516.3
Mg++ 462 419.3 234.2 522.9 409.6±124.4
Table 7: The seasonal variations of different physicochemical parameters El Gamil Site.