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Table 1

Minimum, maximum and mean number of MPN of fecal E. coli in collected samples

Type of sampleMinimum (per 100 mL)Maximum (per 100 mL)Mean (per 100 mL)
Still water 1.4 × 103 5.4 × 102 
Running water 1.4 × 103 7.4 × 102 
Drinkable watera 9.4 2.4 
Non-potable watera 1.4 × 103 6.1 × 102 
Shibe Ab 9.4 1.4 × 103 6.6 × 102 
Poshte Ab 64 4.6 × 102 2.8 × 102 
Jazinak 1.4 × 103 7.3 × 102 
Irrigation usage 9.4 1.4 × 103 9.5 × 102 
Non-irrigation usage 1.4 × 103 4.5 × 102 
Canal 9.4 1.4 × 103 9.4 × 102 
River 1.4 × 103 7 × 102 
Pool 1.4 × 103 5 × 102 
Dam 1.1 × 103 5.5 × 102 
Well 1.1 × 103 5.5 × 102 
Eastb,d 1.4 × 103 7.3 × 102 
Westb,d 9.4 1.4 × 103 5.1 × 102 
East part of cityc,e 
West part of cityc,e 9.4 
Type of sampleMinimum (per 100 mL)Maximum (per 100 mL)Mean (per 100 mL)
Still water 1.4 × 103 5.4 × 102 
Running water 1.4 × 103 7.4 × 102 
Drinkable watera 9.4 2.4 
Non-potable watera 1.4 × 103 6.1 × 102 
Shibe Ab 9.4 1.4 × 103 6.6 × 102 
Poshte Ab 64 4.6 × 102 2.8 × 102 
Jazinak 1.4 × 103 7.3 × 102 
Irrigation usage 9.4 1.4 × 103 9.5 × 102 
Non-irrigation usage 1.4 × 103 4.5 × 102 
Canal 9.4 1.4 × 103 9.4 × 102 
River 1.4 × 103 7 × 102 
Pool 1.4 × 103 5 × 102 
Dam 1.1 × 103 5.5 × 102 
Well 1.1 × 103 5.5 × 102 
Eastb,d 1.4 × 103 7.3 × 102 
Westb,d 9.4 1.4 × 103 5.1 × 102 
East part of cityc,e 
West part of cityc,e 9.4 

a,d,eSignificance difference (p < 0.05); bindicates non-potable water; cdemonstrates drinking water.

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