Table 1.
Bacteria | Dams | Boreholes | Streams | Hand-dug wells | Rivers | Canals | Total (%) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Rainy | Dry | Rainy | Dry | Rainy | Dry | Rainy | Dry | Rainy | Dry | Rainy | Dry | ||
E. coli | 12 | 16 | 4 | 7 | 10 | 16 | 10 | 14 | 0 | 2 | 3 | 3 | 97 (18.7) |
Enterobacter spp. | 11 | 15 | 2 | 6 | 8 | 13 | 8 | 13 | 0 | 1 | 1 | 2 | 80 (15.4) |
Klebsiella spp. | 12 | 16 | 4 | 6 | 15 | 18 | 10 | 14 | 1 | 2 | 3 | 3 | 104 (20.0) |
Salmonella typhi | 0 | 2 | 2 | 2 | 1 | 2 | 1 | 2 | 0 | 0 | 0 | 1 | 13 (2.5) |
Streptococcus spp. | 2 | 7 | 0 | 0 | 1 | 1 | 2 | 3 | 0 | 0 | 1 | 0 | 17 (3.3) |
Proteus vulgaris | 10 | 12 | 2 | 5 | 10 | 14 | 5 | 9 | 0 | 0 | 0 | 1 | 68 (13.1) |
Vibrio cholerae | 1 | 0 | 0 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 6 (1.2) |
Shigella spp. | 1 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 6 (1.2) |
Pseudomonas aeruginosa | 10 | 12 | 2 | 6 | 12 | 14 | 8 | 11 | 1 | 2 | 1 | 2 | 81 (15.6) |
Enterococcus faecali | 5 | 3 | 2 | 3 | 9 | 8 | 5 | 8 | 1 | 1 | 1 | 2 | 48 (9.2) |
Total | 64 (12.3) | 83 (16.0) | 18 (3.5) | 36 (6.9) | 70 (13.5) | 90 (17.3) | 50 (9.6) | 74 (14.2) | 3 (0.6) | 8 (1.5) | 10 (0.10) | 14 (0.7) | 520 (100) |