Water source (n = 10) | Borehole, Nyam. S. S | Borehole, Shud. S. S | Spring (Kisw) | Spring (Kise) | Well (Kise) | S. well (Nyam) | Rain, MUST | p-value (F test) | WHO (1993) standard | |
Total coliforms (CFU/100 ml) | Range | 109 - 177 | 25 - 63 | 0 - 12 | 0 - 20 | 130 - 920 | 240 - 1600 | 0 - 5 |
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Mean | 145.00 | 44.60 | 4.00 | 9.50 | 320.20 | 807.40 | 1.30 | 0.00 | 10 | |
SD | 23.71 | 11.29 | 4.32 | 6.74 | 239.56 | 579.23 | 1.64 |
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% CV | 16.35 | 25.31 | 108.00 | 70.95 | 74.82 | 71.74 | 126.15 |
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E. coli (CFU/100 ml) | Range | 0 - 0 | 0 - 6 | 0 - 7 | 0 - 12 | 2 - 25 | 11 - 43 | 0 - 0 |
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Mean | 0.00 | 2.40 | 1.20 | 3.40 | 11.60 | 20.90 | 0.00 | 0.00 | 0 | |
SD | 0.00 | 2.41 | 2.57 | 4.20 | 6.28 | 10.62 | 0.00 |
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% CV | 0.00 | 100.42 | 214.20 | 123.53 | 54.14 | 50.81 | 0.00 |
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Proximity (m)* | Animal farms | - | 23 | - | - | 2 | - |
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Latrine | 37 | 53 | 17 | 4 | 20 | 2 |
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Landfills | 12 | 33 | 58 | 11 | 12 | 7 |
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Municipal waste | - | - | 4 | - | 26 | - |
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