0 the water that is provided and treated for a particular area --
1 the water that is provided and treated for a particular area: --
Three explanations are possible, related to excess water supply, reduced irradiance or low nutrient availability in valley positions.
No association between the water supply and cases was found.
Another avoidance measure is to consume only water from the cold water supply and not to consume water from the district hot water system.
On the other hand, residents are generally content with their cold water supply and quality of delivery.
However, creating new sources to augment water supply requires large investments and effective institutions for allocating water.
Calculation of the net present value of the groundwater should take into consideration the market imperfections associated with the water supply.
Indicators of faecal contamination were found in samples from the private untreated water supply, but norovirus could not be identified.
In this study, no other source of infection was identified in all cases where the home water supply was implicated.
