Table 3: Comparison of levels of contamination among various sources of water.

Contaminants
(Frequency)
N Percentage of Samples Per Source of Water
Well Stream Tap Borehole
EC only 8 0 0 9.7 8.6
SA only 25 18.2 0 29.0 28.6
ST only 3 6.1 0 0 2.9
CoNS only 8 12.1 0 9.7 2.9
EC/ ST 1 0 0 0 2.9
EC/ SA 8 19.4 0 0 5.7
EC/ CoNS 4 6.1 0 3.2 2.9
ST/ SA 18 15.2 100 25.8 11.4
ST/ CoNS 2 3 0 0 2.9
SA/ CoNS 3 0 0 3.2 5.7
EC/ ST/ SA 8 9.1 0 6.5 8.6
EC/ ST/ CoNS 1 0 0 3.2 0
ST/ SA/ CoNS 1 3.0 0 0 0
EC/ ST/ SA/ CoNS 1 3.0 0 0 0

EC: Escherichia coli; SA: Staphylococcus aureus; ST: Salmonella typhi; CoNS: Coagulase-negative Staphylococci.