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%