Contamination High Yes Screens on tank inlet Routine cleaning Undertake monthly E. coli Within 1 from insects, birds testing month and animals entering tank with rainwater from the roof Contamination Medium Yes Roof integrity Routine check of tank Undertake monthly E. coli from insects, birds testing and animals Disinfect water entering directly (chlorination or UV) or from the roof of provide bottle water or the tank advise guests to boil water. Corrosion of metal Low Yes Visual inspection of water Run taps for a several Yearly chemical testing plumbing fittings colour minutes after they have by soft water e.g. been left standing Good water turnover copper from pipes resulting in blue water
Contamination from insects, birds and animals entering tank with rainwater from the roof High Yes Screens on tank inlet Routine cleaning Undertake monthly E. coli testing Within 1 month Contamination from insects, birds and animals entering directly from the roof of the tank Medium Yes Roof integrity Routine check of tank Undertake monthly E. coli testing Disinfect water (chlorination or UV) or provide bottle water or advise guests to boil water. Corrosion of metal plumbing fittings by soft water e.g. copper from pipes resulting in blue water Low Yes Visual inspection of water colour Good water turnover Run taps for a several minutes after they have been left standing Yearly chemical testing
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