Contamination is covered by The Regulations.
It can occur in one of the following ways:
Please find a pictorial explanation of backsiphonage in this section.
For other examples please contact your tutor.
Normal Operation of Indirect Services
Normal Operation of Direct Cold Water
Abnormal OperationContamination can occur as a result of 'Back-Siphonage'.
Stage 2 - Contamination Occurs
Contamination of Water Main