Parameters | WHO 4th edition (2011) Guideline Value | SSWS1 (Egbu) | Mean | SSWS2 (Timber Market) | Mean | SSWS3 (FUTO) | Mean | DOWNSTREAM (Mbirichi) |
CONTROL POINT | ||||||
Total bacteria count, cfu/ml | Absent | 4.5 × 104 | 3.5.0 × 104 | 4.0 × 104 | 3.0 × 104 | 2.0 × 103 | 3.0 × 103 | 1.3 × 103 | 2.1 × 103 | 1.0 × 103 | 1.0 × 103 | 1.3 × 103 | 1.1 × 103 | 0.8 × 103 | 0.2 × 103 |
Total Coliform Count, cfu/ml | Absent | 2.3 × 102 | 3.0 × 102 | 5.0 × 102 | 3.1 × 102 | 2.0 × 103 | 3.0 × 103 | 4.0 × 103 | 3.0 × 103 | 3.3 × 103 | 3.0 × 103 | 3. × 103 | 4.1 × 103 | 1.0 × 103 | 0.5 × 103 |
Total E. coli Count, cfu/ml | Absent | 1.0 × 102 | 1.3 × 102 | 1.0 × 102 | 1.1 × 102 | 2.0 × 102 | 3.0 × 102 | 4.0 × 102 | 3.0 × 102 | 4.0 × 103 | 4.0 × 103 | 4.3 × 103 | 4 × 103 | 2.0 × 103 | 0.2 × 103 |