Table 4.4 Guidelines for
Establishment of Limit Levels for E. coli
for WSD Intakes
|
Parameter
(unit) |
Water Depth |
Limit Level |
|
E. coli (cfu/100ml) |
Depth average |
20,000 cfu/100ml |
Remark:
-
The
limit level is based on Water Supplies Department’s criteria regarding the
target limit of the flushing water.