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Can you drink rainwater? Rainwater on its own is perfectly safe to drink – but it is usually contaminated by airborne pollutants and also by contact with the surface from which it is collected. It can contain parasites, harmful bacteria, and viruses as well as dust, heavy metals and even faeces.
You will only know how safe your rainwater is for drinking by having it tested. This will tell you whether it is safe to drink or whether you need to treat the rainwater before drinking it.
There are home water test kits available, or you could contact your water provider.
Of course. There are many areas in the world where the local people depend upon rainwater for their drinking water supply.
So, you need to be sure the rainwater you drink is safe.
A survey was done in rural Guatemala.[1] It found that where the households boiled their rainwater the number of coliform bacteria was reduced by 86.2%. Although the quality of the water was improved by boiling there was still some contamination.
So, some pathogens can be removed by boiling – but not all of them and the water may need chemical treatment to make it safe. Contamination with heavy metals is not affected by boiling.
Rainwater usually needs to be filtered to make it safe to drink. Filters near the collection point will get rid of leaves and moss but further filters may be needed to eliminate other pollutants like heavy metals.
If you intend to drink the rainwater then you might need to disinfect it.
Regular testing will show how effective your management is. If your water is not up to the standard you can still use it for a variety of purposes, such as flushing toilets, washing clothes, cleaning vehicles and irrigating your plants.
There are regulations for the collection of rainwater. It is recommended that professional advice is followed regarding installations.
Many claims have been made that drinking rainwater will improve your health. The only certain benefit, backed by science is a reduction in kidney stones (very painful) if people are not drinking enough, and a possible benefit for people trying to lose weight in that they tend to drink more rainwater. But any clean water is just as effective.
Enduramaxx manufacture smooth, rotationally moulded plastic tanks – ideal for storing rainwater. We also have a selection of storage tanks for potable water, and these comply with all the regulations. In addition to the rainwater tanks, we can supply you with all the accessories you need to install and maintain a safe system for drinkable rainwater.
Whether you are a homeowner looking for a simple system for your home or a large commercial enterprise for potable drinking water tanks we have the technical skills and knowledge to ensure your system is efficient, affordable and safe. Why not give us a ring on 01778 562810 to find out more?
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