Corrosion of metal Low Yes Visual inspection of water plumbing fittings colour by soft water e.g. Good water turnover copper from pipes resulting in blue water Groundwater Medium Yes Regular monthly Undertake monthly E. coli Within 1 Regular maintenance and contamination inspection testing. month yearly inspection of from on-site system system Location of on-site system Membrane treatment UV treatment
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 Groundwater contamination from on-site system Medium Yes Regular maintenance and yearly inspection of system Location of on-site system Membrane treatment UV treatment Regular monthly inspection Undertake monthly E. coli testing. Within 1 month
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