Water quality of the both studied sites.

Parameter	Site I	Site II
Microbiological analysis Total Bacterial Count at 22°C (cfu ml^-1)	2.3 x 10^4b	13.9 x 10^4a
Total Bacterial Count at 37°C (cfu ml^-1)	3.1 x 10^4b	21.9 x 10^4a
Total Spore-Forming bacteria (cfu ml^-1)	9^a	7^a
Total Coliform (MPN/100 ml)	350^b	1600^a
Fecal Coliform (MPN/100 ml)	50^b	275^a
Fecal Streptococcus (MPN/100 ml)	110^a	110^a
Salmonella sp (cfu ml^-1)	2^a	4^a
Shigella sp (cfu ml^-1)	30^b	57^a
E coli (cfu ml^-1)	16^b	35^a
Physico-chemical analysis
pH	8.01^a	7.82^b
EC (μm^-1)	253^b	259^a
Total dissolved solids (mg l^-1)	162.2^b	165.7^a
DO (mg l^-1)	2.04^a	1.92^b
BOD (mg l^-1)	0.83^b	1.06^a
COD (mg l^-1)	1.2^b	2.4^a
NO₂-N (mg l^-1)	0.012^a	0.009^b
NO₃-N (mg l^-1)	0.128^a	0.097^b
NH₃-N (mg l^-1)	0.091^a	0.043^b
Heavy metals (ppm)
Cu	0.26^b	0.41^a
Ni	1.81^a	1.9^a
Pb	2.63^a	2.59^a
Cd	1.04^a	0.13^b

Site I: before El-sail drain disposal point. Site II: after El-sail drain disposal point.
Means followed by the same letter are not significantly different (p ≥ 0.05).

Table 1: Water quality of the both studied sites.

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