Sample size

% of water out of pH scale

% of water out of turbidity scale

% of bacteria contaminated waters

Guibaré

111

4.5%

7.2%

10.8%

Sabcé

89

5.6%

8.9%

5.6%

Guibaré and Sabcé

200

5.0%

8.0%

8.5%