Table 6.
Microbiological parameter results.
| Systems samples (inlet/outlet) | Total coliforms (NMP/100 mL) | Faecal coliforms (NMP/100 mL) | E. coli (NMP/100 mL) |
|---|---|---|---|
| Microbiological parameter (rainy season) | |||
| FPK-S2 (inlet) | 1,600∗ | 180∗ | 2∗ |
| FPK-S2 (outlet) | 350∗ | 130∗ | 0 |
| FJT-S1 (inlet) | >1,600∗ | >1,600∗ | 17∗ |
| FJT-S1 (outlet) | 13∗ | 13∗ | 5∗ |
| FT-S4 (inlet) | 920∗ | 1,600∗ | 4∗ |
| FT-S4 (outlet) | 1,600∗ | <1.8 | 1,600∗ |
| FI-S3 (inlet) | 1.568∗ | 81∗ | >1,600∗ |
| FI-S3 (outlet) | 1.524∗ | 23∗ | 13∗ |
|
| |||
| Microbiological parameter (low water season) | |||
| FPK-S2 (inlet) | 234∗ | 99∗ | SN |
| FPK-S2 (outlet) | <1.8 | <1.8 | SN |
| FJT-S1 (inlet) | 8.5∗ | 7 | SN |
| FJT-S1 (outlet) | <1.8 | <1.8 | SN |
| FT-S4 (inlet) | 239.5∗ | 20.5∗ | SN |
| FT-S4 (outlet) | <1.8 | <1.8 | SN |
| FI-S3 (inlet) | 280∗ | 84∗ | SN |
| FI-S3 (outlet) | <1.8 | <1.8 | SN |
| D.S. N° 031-2010-SA | <1.8 | <1.8 | <1.8 |
∗ Does not comply with the standard (D.S. N° 031-2010-SA); SN = samples not taken.