Parameters | Maximum concentration or value | Units of Measurement |
---|---|---|
(1) The water should not be aggressive. | ||
(2) Only in the case of surface water or groundwater that has been influenced by surface water. | ||
Ammonium | 0.50 | mg/l |
Chloride(1) | 250 | mg/l |
Clostridium perfringens (including spores) | 0 | Number/100ml |
Coliform bacteria | 0 | Number/100ml (Number/250ml in the case of water put into bottles or containers) |
Colony counts | No abnormal change | Number/ml at 22ºC |
Conductivity(1) | 2500 | µS/cm at 20ºC |
Hydrogen ion | 9.5 (maximum) | pH value |
6.5 (minimum) (in the case of still water put into bottles or containers the minimum is 4.5) | pH value | |
Sulphate(1) | 250 | mg/l |
Total organic carbon (TOC) | No abnormal change | mgC/l |
Turbidity(2) | 1 | NTU |