Parameters

Artesian wells

Boreholes

Drilling

Surface water

Standards WHO

E. coli

2/100 ml

95/100 ml

80/100 ml

860/100 ml

0/100 ml

Fecal coliforms

7/100 ml

110/100 ml

320/100 ml

1530/100 ml

0/100 ml

Total coliforms

2327/100 ml

1700/100 ml

9825/100 ml

11700/100 ml

0/100 ml

Fecal streptococci

1/100 ml

151/100 ml

401/100 ml

600/100 ml

0/100 ml