Water Quality Index level | Status | Cotonou | |||
GRS | SDS | SRS | GDS | ||
0 - 25 | Excellent water quality | 0% | 0% | 0% | 0% |
26 - 50 | Good water quality | 21% | 7% | 7% | 0% |
51 - 75 | Poor water quality | 36% | 29% | 29% | 14% |
76 - 100 | Very poor water quality | 29% | 29% | 43% | 64% |
>100 | Unsuitable for drinking | 14% | 36% | 21% | 21% |
|
| Lomé | |||
GRS | SDS | SRS | GDS | ||
0 - 25 | Excellent water quality | 0% | 0% | 0% | 0% |
26 - 50 | Good water quality | 0% | 0% | 0% | 0% |
51 - 75 | Poor water quality | 0% | 0% | 0% | 0% |
76 - 100 | Very poor water quality | 18% | 0% | 18% | 9% |
>100 | Unsuitable for drinking | 82% | 100% | 82% | 91% |