{"id":7252,"date":"2022-07-13T14:51:13","date_gmt":"2022-07-13T13:51:13","guid":{"rendered":"https:\/\/www.aquaread.com\/blog\/?p=7252"},"modified":"2023-08-01T14:48:58","modified_gmt":"2023-08-01T13:48:58","slug":"is-rainwater-clean","status":"publish","type":"post","link":"https:\/\/www.aquaread.com\/blog\/is-rainwater-clean\/","title":{"rendered":"Rainwater: Is it Clean?"},"content":{"rendered":"

Water \u2014 it makes up 60% of the human body and 71% of the Earth\u2019s surfaces.\u00a0<\/span><\/p>\n

We need it to <\/span>sustain all life on this planet<\/a><\/strong> we call home, and in most countries, we\u2019re accustomed to being able to get it straight from the tap to drink, clean, and water crops. Failing that, a well, spring, or even a bottle from the shop provide us with this much-needed resource.<\/span><\/p>\n

But how often do you think about rainwater, its part in the environment, its uses, and whether it\u2019s drinkable? Let\u2019s start right at the source.<\/span><\/p>\n

How does rainwater form?<\/span><\/h2>\n

Heat from the sun evaporates water<\/strong><\/a> from the Earth\u2019s surface (from plants, lakes, rivers, oceans, and ice) into the atmosphere. The vapour then condenses into clouds, and in order to do so, the vapour needs a solid to grip onto \u2013\u00a0a speck of dust or pollen does the job.<\/span><\/p>\n

When the cloud gets dense and the water droplets grow large, they fall to earth as rain. This process is called precipitation.<\/span><\/p>\n

What does rainwater contain?<\/span><\/h2>\n

As a result of this process, rainwater<\/a> <\/strong>is inherently dirty. It needs that condensation nucleus \u2014 that dust, soot, or flake of salt \u2014 in order to form and fall.<\/span><\/p>\n

This is precisely why you\u2019ll have probably noticed that, from time to time, the rain on your window leaves streaks of dust. It goes, after all, on a long journey to get to you.<\/span><\/p>\n

This means that, aside from its original composition, rainwater contains particles of whatever it has passed through before reaching its final destination.\u00a0<\/span><\/p>\n

As for its original composition, rainwater is a mixed electrolyte containing varying amounts of minor and major ions. Clean rain usually has a pH level between 5 and 5.5, while acid rain (rainwater combined with sulphur dioxide or nitrogen oxides) has a pH value of 4.<\/span><\/p>\n

Can you drink rainwater?<\/span><\/h2>\n

As a child, you may have looked up at a drizzly sky, stuck your tongue out, and asked your parents if you can drink rain water. You might have wondered the same thing as an adult interested in the water crisis and eco-friendly practices.<\/span><\/p>\n

It\u2019s interesting to note that, while much of the discussion around rainwater is about how clean it is at the source, our drinking water is not necessarily clean at the source either. Generally speaking, <\/span>1 in 3 people<\/strong><\/span><\/a> don\u2019t have access to clean drinking water and, even in countries where we do drink tap water, contaminants are often present.<\/span><\/p>\n

Paracetamol, microplastics, and even <\/span>lead from petrol<\/a><\/strong> all eventually make their way into our precious water sources. Read our blog about <\/span>the future of water<\/strong><\/span><\/a> to learn more.<\/span><\/p>\n

As for rainwater, various factors impact how clean it is \u2014 such as the air pollution levels of the geographical area, where it falls, and how you process it.<\/span><\/p>\n

\"Rain<\/p>\n

To ensure rainwater that\u2019s harvested is generally clean, it\u2019s important to maintain and clean the surfaces it falls onto and the pipes it travels through, as well as the places it is stored.<\/span><\/p>\n

Certain bacteria, viruses, and parasites can be eliminated by boiling the water, but that\u2019s not typically enough to ensure it\u2019s safe to drink. In order to make rainwater potable, it has to be regularly treated and tested properly using an intricate system of filters, ultraviolet light, and chemical treatment. This can end up a little pricey!<\/span><\/p>\n

How can rainwater be used for good?<\/span><\/h2>\n

There are so many uses for rainwater other than for drinking. Generally speaking, rainwater can be used to water plants, flush toilets, clean cars, and for irrigation.\u00a0<\/span><\/p>\n

In commercial settings, a number of businesses around the world are seeing the benefits of rainwater harvesting for reducing bills and amping up their sustainability efforts. In fact, it can reduce your <\/span>water usage by as much as 40%<\/strong><\/span><\/a>!\u00a0<\/span><\/p>\n

Take a look at <\/span>H2O Building Services\u2019 list of 5 UK businesses<\/strong><\/span><\/a> making the most of rainwater.<\/span><\/p>\n

What\u2019s more, the simple act of harvesting rainwater can help reduce localised flood risks, particularly where overstressed drainage systems cannot handle flash floods. Such flooding events are increasing in occurrence due to climate change<\/a><\/strong>.\u00a0<\/span><\/p>\n

Overall, less reliance on groundwater and aquifers can only be a good thing!<\/span><\/p>\n

\"The<\/p>\n

How do you test how clean rainwater is?<\/span><\/h2>\n

For a simple at-home test of the pH of rainwater, you can <\/span>use pH strips<\/a><\/strong> easily.<\/span><\/p>\n

But for a more in-depth test of the quality of water for commercial, industrial, and environmental purposes, you will need to use water quality monitoring equipment. <\/span>Depending on the <\/span>parameters<\/a><\/strong> you would like to test for, you can use a <\/span>water quality probe<\/a><\/strong> to see just how clean your water is! View our <\/span>range of products here<\/a><\/strong> or <\/span>get in touch<\/a><\/strong>.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Water \u2014 it makes up 60% of the human body and 71% of the Earth\u2019s surfaces.\u00a0 We need it to sustain all life on this planet we call home, and in most countries, we\u2019re accustomed<\/p>\n","protected":false},"author":16,"featured_media":7256,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-7252","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nRain Water: Is it Clean?<\/title>\n<meta name=\"description\" content=\"Have you ever wondered how rainwater forms, what it contains, and how it can be used for good once harvested? 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