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How to Purify Water for Survival

If you don’t know how to purify water for survival or when SHTF, just taking one look at the CDC’s (Centers for Disease Control and Prevention) National Outbreak Reporting System will show you that disease outbreaks associated with drinking water are a common occurrence.


In 2013-2014, for example, there were 1006 reported water-related illnesses, caused by Legionella, chemicals, toxins, and parasites such as Giardia and Cryptosporidium.

We all need to know how to ensure a clean drinking water supply!

How to Purify Water as a Survival Skill

Knowing how to purify water for survival is a skill we must all learn, today. When disaster strikes, there is a high chance that we won’t have access to bottled water or other forms of ready-made drinking water.

You can prepare for survival by making sure you’ve got bottled water stored in bulk, but at some stage, your stores will run out. There are a few ways in which you can purify water for survival, and I will run through those in this article.

I won’t focus much on purification systems like water filters, life straws, etc. The primary purpose of this post is to run through options of how to purify water for survival or in the wild, and the organisms we’re trying to remove.

The aim is to cover things you already have in your home, or things you can buy in bulk to purify water in bulk; sustainable solutions, rather than the ones needing new filter cartridges. I’ll also include a water purification method you can grow in your backyard.

Find it all here.

LAST UPDATED

May 6, 2022

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SHTF Preparedness

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Get the Information & knowledge you may need to prepare for a SHTF situation. Get Great emergency preparedness advice and get an excellent source of homesteading ideas.

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My only complaint is that eventually, backflushing won’t be enough. These can clog up after some time and no amount of back flushing will fix its low flow. I went through 2 on the AT. However, it will attach to Smart Water Bottles and most bladders!

Anna Hamrick

MEDIA MENTIONS

Built for backcountry reliability and portability, the Sawyer Squeeze filter is our pick for the best portable water purifier.

Pete Ortiz
Writer

MEDIA MENTIONS

The Sawyer Squeeze was (by far) the most common Pacific Crest Trail water filter this year – for the fifth year in a row. It’s a $39, 3 oz / 85 g hollow fiber filter that rids your drinking water of protozoa and bacteria (and floaties). It can be used with Sawyer bags (included with the filter) or with compatible water bottles (Smartwater is the bottle of choice for many hikers).

Halfway Anywhere
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