Updated April 22, 2019 by Chase Brush

The 10 Best Camping Water Filters

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Since the initial publication of this wiki in April of 2015, there have been 26 edits to this page. There's no need to lug around a bunch of heavy containers on your next outdoor excursion when you've got one of these handy camping filters. The options on this list produce safe, clean, and odor-free H2O that can be sourced from any body of fresh water, and come in both lightweight packages for the solo traveler on the go as well as larger systems capable of hydrating whole groups of people. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best camping water filter on Amazon.

10. Survivor 3-Stage

9. Boston Fortis Explorer

8. Sawyer Products Mini

7. LifeStraw Go

6. Survivor Pro

5. Katadyn Pocket

4. MSR MiniWorks Ex

3. LifeStraw Mission

2. Platypus GravityWorks

1. Katadyn Hiker Pro

Editor's Notes

April 21, 2019:

Before getting into the different sizes and functionalities of each option in our line-up of best camping water filters, rest assured that we were careful to include only those models that are proven to remove the most serious waterborne bacteria and parasites that you're likely to encounter during your next backcountry adventure. Each model should reliably clear your water of E. Coli, Giardia, crypto, and even many chemicals, such as mercury and lead. Of course, depending on how heavily contaminated the water source is, you may also want to use your filter in conjunction with more thorough methods of water treatment, such as boiling or purification solutions.

Beyond that, our list includes filtration systems that cover the full range of sizes and types, from pocket-sized straws like the Survivor 3-Stage to huge bladders like the LifeStraw Mission. Campers looking to hydrate groups of people will likely benefit from the large capacities of options like the Platypus GravityWorks, which requires no tiresome pumping to clean its H20 contents. Solo hikers and backpackers will appreciate the functionality of models like the MSR MiniWorks Ex, which screws right on to Nalgenes and wide-mouthed bladders and features a carbon core that produces clean, tasteless water. Overall, we thought the Katadyn Hiker Pro the best model for more people, since it offers reliable filtering in a durable, compact body.

Healthy Hydration In The Field: The Camping Water Filter

These filters clean hundreds of gallons of water well before needing maintenance, but they can't be used to fill bottles, cooking pots, and so forth.

If you are heading out for an overnight camping trip -- or even a day hike lasting a few hours -- a reliable camping filter is a necessity. The alternatives include carrying multiple liters of water along with you, greatly adding to your overall gear weight, or else facing illness caused by waterborne parasites and bacteria or dehydration and all its many unpleasant symptoms (including death at the outside extreme). You can get a water filter that will provide you with safe drinking water for less than twenty dollars, or you can spend well over two hundred dollars on a system. That elevated price tag may surprise the amateur outdoorsman, but the experienced camper/hiker will nod knowingly: when it comes to clean, safe water sourced easily and in large volumes, it's hard to worry about price.

The standard camping water filter uses a hand pump to draw water up from the source, force it through an incredibly fine filter media (usually made of ceramic) that removes all contaminants down to the one or two micron level and then through an output tube that can be placed right in your water bottle, cooking pot, cup, or even your mouth. Pump filters do require a bit of effort, but they allow you to source water from even the smallest trickling streams and giant lakes alike, and they allow the user to continually generate fresh water, whether you want only a quick cupful or multiple gallons.

The bag to bag style of camping water filters is easy to use once set up. You simply fill the elevated pouch with water collected from a pond or stream and allow gravity to bring the water down and through a filter that removes more than 99.99% of all bacteria and protozoa. The pros of these gravity operated filters include minimal effort once the first bag is filled (no repetitive pumping required) and large storage capacity: when both reservoirs are filled, you can often carry as much as four liters of water when you include the two liters yet to be purified. The drawbacks include the fact that you need to be able to elevate the system, which will in some cases mean standing there holding water aloft. You also must be able to submerge the collection bag or else have access to falling water, so some very shallow or hard to reach water sources might be difficult to use.

A third category of water filters should be thought of more as a survival tool for emergencies or as a backup filter in case the primary filter is dirtied, damaged, or simply stops working. This straw style filter is placed directly into water that is drawn up and through the purification media by suction you generate with your mouth and lungs. These filters clean hundreds of gallons of water well before needing maintenance, but they can't be used to fill bottles, cooking pots, and so forth.

Why The Water Filter Is The Best Choice

Beyond using a water filter, there are only two ways to reliably purify water while in the field. These are to boil the water, or to use chemical purifying agents. Boiling water is a time-tested way to create clean water, or at least to create water that is safe to drink. Indeed boiling water can do nothing to remove the actual debris and microscopic bacteria and parasites within the H2O, it can simply render those latter two factors inert (or, in other words, dead).

Boiling water is a time-tested way to create clean water, or at least to create water that is safe to drink.

To ensure that water has been boiled long enough for safety, bring it to a full rolling boil for at least one minute near sea level, and for at least three minutes at altitudes higher than 2,000 feet (the boiling point temperature of water being lower at greater altitudes). While boiling is effective, it does not remove particles as noted, and of course it necessitates the ability to create heat through a stove or fire. This can be an inconvenience at some times, and an impossibility at others.

The other method of purifying water is to use iodine tablets. Iodine kills off the bacteria and protozoa in water by actually bonding iodine ions to their pathogenic cells, preventing their ability to reproduce. Iodine treatment is effective, but it requires careful measuring of water volume to iodine tablets used, the process requires patience, and the purified water has a less than pleasant taste.

Watch Out For Wild Water

The sobering fact is that almost every natural source of water, from an apparently pristine mountain spring to a stream babbling through a meadow to a freshwater river or lake, can be harboring dangerous bacteria and parasites. Drinking untreated water -- even water that looks and tastes perfectly clear and clean -- can lead to health complications ranging from mild stomach discomfort to severe nausea and diarrhea to dangerous dehydration and lasting infection.

Giardia is a prolific problem, present in water sources all around the world.

The most common culprit of gastrointestinal discomfort or illness caused by drinking water from natural sources is the microscopic protozoan parasite known as Giardia lambia, more commonly called simply Giardia. This unwelcome little guest takes up residence in the upper stretches of the small intestine and causes symptoms in as many as one third of those it infects.

Most people will experience cramping, irregular bowel movements, fever, and fatigue; some people may experience these symptoms at a level of severity necessitating professional medical intervention. Giardia is a prolific problem, present in water sources all around the world. In fact, as many as five to seven percent of the population of America may be harboring the parasite at any time; as many as thirty percent of those living in the developing world may be chronically infected.

Other less common but potentially more serious water borne illnesses include cholera, typhoid, malaria, to name only a few of the maladies potentially lurking within water. If you are using melted snow as your source of hydration, be especially vigilant looking out for so-called watermelon snow. Snow with a pinkish sheen is covered with a layer of Chlamydomonas nivalis, a type of algae that thrives in cold water and that has extreme laxative properties.

Fortunately, all of these pathogens will be caught by a good water filter.

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Chase Brush
Last updated on April 22, 2019 by Chase Brush

Chase is a writer and freelance reporter with experience covering a wide range of subjects, from politics to technology. At Ezvid Wiki, he applies his journalistic expertise to a similarly diverse assortment of products, but he tends to focus on travel and adventure gear, drawing his knowledge from a lifetime spent outdoors. He’s an avid biker, hiker, climber, skier, and budget backpacker -- basically, anything that allows him a reprieve from his keyboard. His most recent rovings took him to Peru, where he trekked throughout the Cordillera Blanca. Chase holds a bachelor's in philosophy from Rutgers University in New Jersey (where he's from), and is working toward a master's at the Craig Newmark Graduate School of Journalism in New York City (where he now lives).


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