Required Quality Water Standards
Required Quality Water Standards
|
Parameter
|
Excellent quality
|
Good quality
|
Sufficient quality
|
|
Intestinal enterococci per 100 ml
|
100 (95%ile)
|
200 (95%ile)
|
185 (90%ile)
|
|
E coli per 100 ml
|
250 (95%ile)
|
500 (95%ile)
|
500 (90%ile)
|
+ Directive 76/160/EEC
* SI 155 of 1992