Drinking Water in the Backcountry (2024)

Drinking water in the backcountry

​​Never assume that water in the backcountry like water from lakes, streams, rivers, or springs, is safe to drink.

Use only boiled, treated, or bottled water for:

  • drinking
  • preparing food
  • washing dishes
  • brushing your teeth

The best way to make sure your backcountry water is clean and safe is to filter it first, then boil it for at least 1 minute. Boil yourwater for 5 minutes if it is cloudy or has debris in it.

If you can’t boil your water, filter it first and then use chemicals like iodine or chlorine to make it safer. As a final step, use an ultraviolet (UV) light if you have one.

Learnmore about how to make your drinking water safe when you can't boil it.

Water filters

Portable water filters clean water by forcing it through a very fine strainer (mesh). This can trap germs that can make you sick, like bacteria, parasites, and viruses.

The holes in the filter are very small, measured in microns. It’s important to get a filter that has the smallest holes in the mesh as possible. Make sure your filter is 1 micron absolute or smaller.

Don’t rely on a water filter alone. After using a filter, boil your water or use chemicals to make sure it’s safe to drink.

Boiling water

After you filter your water, boil it for at least 1 minute. If the water is cloudy or has debris in it, boil it for at least 5 minutes.

Let the water cool to a safe temperature before you use it.

Chemicals

If you can't boil your water, filter it first and use chemicals to make it safer. Use chlorine andiodineto kill bacteria and viruses. These chemicals won’t kill all of the parasites. Boil your water to make sure it’s safe to drink. Learn how to make your drinking water safe when you can't boil it.

Ultraviolet (UV) disinfection pen

UV light can help make water safe by killing germs. It will only work if your water is very clear. It will not work if your water is cloudy or has floating debris.

Before you use a UVdisinfection pen, let your water sit for a while sothat any small particles (sediment) have time to settle. Follow the directions for your UV disinfection pen exactly.

Don’t rely on a UV disinfection pen alone. You also need to use a water filter and to boil your water or use chemicals to make your water safe.

You can buy UV disinfection pens at some camping stores.

Current as of: January 12, 2022

Author: Environmental Public Health, Alberta Health Services

Drinking Water in the Backcountry (2024)

FAQs

Drinking Water in the Backcountry? ›

The best way to make sure your backcountry water is clean and safe is to filter it first, then boil it for at least 1 minute. Boil your water for 5 minutes if it is cloudy or has debris in it. If you can't boil your water, filter it first and then use chemicals like iodine or chlorine to make it safer.

Is it safe to drink water in the wilderness? ›

Summary. Consider all natural water sources as contaminated and treat the water before drinking. Don't use natural, untreated water sources as regular drinking water supplies.

How do you get drinkable water in the wilderness? ›

Collect water from areas of moving water in rivers and streams, or the top few inches of a lake. Stagnant (standing or non-moving) water is a breeding ground for insects, bacteria and viruses and should be avoided. Dip your bottle just under the surface and fill from there.

What do backpackers do for water? ›

You can get water while backpacking from streams, lakes, water caches, waterfalls, rivers, and even animal watering basins along your trail. You can purify water by boiling it or using purification tablets, a UV pen, a sip or squeeze filter, or carrying a bottle with a built-in purifier.

How do you treat drinking water for backcountry and travel use? ›

Boiling is the surest method to kill disease-causing organisms, including viruses, bacteria, and parasites. Bring water to a full rolling boil for 1 minute (at elevations above 6,500 feet, boil for 3 minutes), then allow it to cool before use.

What is the cleanest water to drink in the wild? ›

Running/Flowing water

Flowing sources like streams and rivers are your best water sources outdoors. Especially if you have to drink straight without filtering or purifying, small streams are your best bet. For bigger streams and rivers, go close to the source or upstream where water has fewer chances of contamination.

How did hunter gatherers drink water? ›

During the hunter-gatherer period of human civilization, river water was used as drinking water, and so civilizations were usually formed near that water source. In case there were no rivers or lakes, they used groundwater for drinking water, which was pumped up through wells.

How did primitive people purify water? ›

As ancient Hindu texts reveal, they used heat, sunlight, and copper to purify water. Filtration using cloth, sand, and charcoal was also used to capture other contaminants.

Can you drink rain water? ›

Rainwater can carry bacteria, parasites, viruses, and chemicals that could make you sick, and it has been linked to disease outbreaks. The risk of getting sick from rainwater may be different depending on your location, how frequently it rains, the season, and how you collect and store the rainwater.

How to find drinkable water in the forest? ›

The best primary sources of water are those that flow. These include rivers, streams and creeks. From there, you begin to move to more stagnant bodies of water, like lakes and ponds. When you find a water source, scan the shoreline or look upstream for contaminants, such as dead animals.

How to drink water while hiking? ›

For sports like hiking, backpacking and mountain biking, a pack with a hydration reservoir is an excellent option. If you prefer to use a bottle, stash it somewhere accessible, like a mesh pocket that's on the side of many backpacks.

How do thru hikers get water? ›

Most thru-hikers use a collapsible 2.5 gallon water bag for supper, cleaning, breakfast and filling canteens. Filling the water bag will be one of the first tasks completed upon arriving at a shelter or campsite. After emptied, the bag collapses nicely and adds little weight to packs.

How to carry water on long walks? ›

Methods for carrying water
  1. Classic Nalgene (or lookalikes) bottles (Tip: go for a wide mouth which is much easier to fill in creeks and water tanks.)
  2. Re-used 1.25L soft drink bottles.
  3. 1L Soda Stream bottles (these are tougher than a 1.25L and last for ages) – keep an eye on your OppShop!
Mar 8, 2022

How do you stay hydrated in the backcountry? ›

Drink small amounts frequently, instead of chugging a liter every 2 to 3 hours to help maintain hydration levels for the duration of your hike. Set a timer every 15 to 20 minutes to remind you to take a few sips if you find yourself frequently forgetting to drink. Keep your water accessible.

Should you drink bottled water when traveling? ›

Know Where Your Drinking Water Comes From

Contaminated water can look clean but still have harmful bacteria, viruses, and parasites. Factory-sealed bottled water is the safest option for most travelers. However, some bottled water can be risky depending on where the bottled water comes from and how it has been treated.

How to purify water while traveling? ›

Boiling. Bringing water to a rolling boil for one minute is the simplest way to kill most types of germs, even if the water is cloudy and at high altitudes. If water is cloudy, allow it to settle and filter through a clean cloth or coffee filter before boiling.

Is it safe to drink water from a natural spring? ›

Water from springs can contain chemicals, bacteria, viruses or parasites that could make you sick. Ask for help! Contact your local health department at health.ny.gov/ EnvironmentalContacts if your home or workplace is not served by a public water system or an on-site drilled well.

How do you drink water in a survival situation? ›

Rain, snow, sleet, hail, ice, and dew can be collected for water. Fresh rain that didn't fall through a jungle or forest canopy should be safe enough to drink as is. New snow can be melted for drinking without processing as well. Water issuing from springs and other underground sources can also be safe in most areas.

Is water in the mountains safe to drink? ›

Yes, it's often safe to drink, but you can't determine that by sight or taste. Take high-altitude water. You'd think it'd be OK since there are no cows or other livestock uphill or upstream, but scientists have been finding giardia in the scat of high-altitude critters since the '70s.

Is campground water safe to drink? ›

Drinking Water

So, if you are camping in the wilderness, you have to bring water with you or treat the water that you find in a stream, lake or pond to make it safe.

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