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10 Ways to Purify Water While Snowshoeing: Essential Tips for Outdoor Safety

August 11, 2024 10 min read

When you're snowshoeing in the wilderness, access to clean water is crucial for maintaining energy and health. The snowy landscapes may seem abundant with water, but it's important to ensure that it's safe for consumption.

Snowshoes on snowy ground, with a small fire heating a pot of snow. A water filter and chemical purifier sit nearby. Snow-capped trees in the background

Discover various methods to purify water in these conditions, optimizing your outdoor experience. Whether you're on a short trip or an extended adventure, knowing how to obtain and treat water can make your journey safer and more enjoyable.

1) Boiling the Snow

Boiling snow is one of the easiest and most effective ways to purify water while snowshoeing. Start by collecting clean snow from your surroundings. Avoid snow that is discolored or near any obvious sources of contamination like animal tracks.

Melt the snow in your pot by placing it over your portable stove or campfire. Gradually add more snow as it melts to avoid scorching the pot.

Once the snow has fully melted, bring the water to a rolling boil. Boil for at least one minute to ensure it is safe to drink. At higher altitudes, boil the water for three minutes due to the lower boiling point.

Boiling kills most pathogens, including bacteria, viruses, and parasites. Though boiling can't remove chemical pollutants, it remains a reliable method for biological purification.

Let the water cool down before transferring it to your water bottle or hydration pack. Use a heat-resistant container and be cautious not to burn yourself while handling hot water.

2) Using Water Purification Tablets

Snowshoes on snowy ground, a backpack open with water purification tablets, a stream flowing nearby, snow-covered trees in the background

Water purification tablets are an efficient method to make water safe for drinking. They are lightweight, portable, and easy to use. These tablets typically contain chlorine dioxide or iodine.

To use, simply follow the instructions on the package. Usually, you will add one or more tablets to a specific amount of water. Stir well and let the water sit for the required time. This is often around 30 minutes to a few hours.

Ensure that the water is clear before treating it, as debris can reduce the effectiveness of the tablets. If the water is cloudy or has particles, try to pre-filter it through a cloth or coffee filter.

Keep in mind the taste may be affected. Some find the flavor of treated water slightly unpleasant. You can use flavor tablets to mask this taste if necessary.

Be aware of any allergies or sensitivities you might have to the tablet ingredients. Always carry a few extra tablets as a backup.

3) Portable Water Filters

A snowy landscape with a person snowshoeing, carrying a backpack with portable water filters attached. Snow-covered trees and a clear mountain stream in the background

Portable water filters are an excellent choice for purifying water when you're snowshoeing.

These compact devices can remove bacteria, protozoa, and even some viruses from water sources. They are usually lightweight and easy to carry in your backpack.

You simply place the inlet hose into a water source and pump or suck the water through the filter. Many models feature activated carbon, which helps to reduce unpleasant tastes and odors.

Most portable water filters can purify a liter of water in just a couple of minutes. They are reusable and can often filter hundreds of liters before needing a replacement cartridge.

These filters provide a practical option for accessing clean water without needing to wait for chemical treatments to work. In cold weather, ensure that the filter does not freeze as this can damage the filter and reduce its effectiveness.

Popular brands include Sawyer, Katadyn, and MSR. Always follow the manufacturer’s instructions carefully to ensure the filter works properly.

Carrying a portable water filter allows you to stay hydrated on the go.

4) Gravity Bag Water Filters

Gravity bag water filters offer a convenient and efficient way to purify water while snowshoeing. You simply fill the bag with water and hang it from a tree or any elevated surface. Gravity does the work, drawing water through the filter without the need for pumps or manual labor.

These systems are lightweight and packable, making them easy to carry in your backpack. They are particularly useful for filtering large quantities of water at once, which can be beneficial when you're traveling in a group.

Most gravity bag filters have a filter cartridge that removes bacteria, protozoa, and other contaminants. Some models may also reduce viruses and chemicals, providing you with clean and safe drinking water. Maintenance is generally simple, involving occasional backwashing to keep the filter functioning properly.

To use a gravity bag water filter, start by collecting water from a reliable source. Attach the filter system as instructed by the manufacturer, and let gravity take over. Ensure that the clean water collects in a separate container to prevent cross-contamination.

Consider the flow rate of the filter you choose. Some models are faster than others, which can be an important factor if you're in a hurry or need to supply water to several people.

Remember to keep the clean and dirty components separate to maintain hygiene. Avoid letting the dirty water come into contact with the clean water hose or container. Carrying a small amount of bleach or purification tablets as a backup can be a good precaution.

5) UV Light Water Purifiers

Snowshoer uses UV light water purifier in snowy forest clearing

UV light water purifiers use ultraviolet light to disinfect water by destroying harmful microorganisms. These devices are compact and lightweight, making them ideal for snowshoeing trips where you need to keep your pack light.

To use a UV light purifier, fill your water bottle with clear water, then insert the device and turn it on. Stir the water for the specified time, usually around 60 seconds, to ensure the UV light reaches all parts of the water.

UV purifiers are effective against bacteria, viruses, and protozoa, which are common contaminants in natural water sources. They don't change the taste of the water or add any chemicals, making your drinking experience more pleasant.

These devices require batteries, so ensure you have spare batteries or a way to recharge them on your trip. Cold temperatures can affect battery performance, so keep them warm to maintain their efficiency.

While UV purifiers work well in clear water, they are less effective in murky or sediment-filled water. Pre-filtering the water to remove debris before using the UV purifier can improve its efficacy.

Carrying a UV light water purifier provides a reliable way to ensure your drinking water is safe, allowing you to enjoy your snowshoeing adventure without worrying about waterborne illnesses. Their ease of use and effectiveness make them a popular choice for outdoor enthusiasts.

6) Melting Snow and Filtering with Coffee Filters

Melting snow can be a readily available source of water while snowshoeing. Begin by collecting clean, fresh snow. Avoid yellow or dirty snow, which may contain contaminants.

Heat the snow over a portable stove or campfire until it turns to water. Be patient, as this process can take some time, especially in cold temperatures.

Once you've collected melted snow in a clean container, use a coffee filter to further purify the water. Place the coffee filter over your drinking vessel and pour the melted snow through it slowly.

Coffee filters help remove larger debris and sediments. They are easy to pack and lightweight, making them a practical choice for outdoor activities.

Be aware that coffee filters do not remove chemical pollutants or microscopic pathogens. For added safety, you might consider using a supplementary purification method like boiling or chemical tablets.

Keep spare coffee filters in a waterproof plastic bag to ensure they remain dry and functional.

By combining melting snow with coffee filter purification, you can increase your access to drinkable water while snowshoeing.

7) Activated Carbon Filters

Activated carbon filters are a reliable option for water purification while snowshoeing. These filters use activated carbon, which can effectively remove a wide range of contaminants from water, including chlorine, sediment, and volatile organic compounds (VOCs).

You often find activated carbon filters in portable water bottles or larger gravity-fed systems. These filters can improve both the taste and odor of water, making it more palatable.

Using activated carbon filters is straightforward. Fill your container with water, and the filter will do the work as you drink or pour. The filters are generally lightweight, which is ideal for snowshoeing trips where minimizing pack weight is crucial.

Keep in mind that while activated carbon filters excel at removing chemicals and improving taste, they do not typically remove viruses or bacteria. For microbial contaminants, you might need a secondary purification method.

Check the lifespan and usage capacity of your activated carbon filter. Most will have a limited filtering capacity, often measured in liters, so knowing this helps in planning how long your filter will last during your trip.

Activated carbon filters have replaceable cartridges. Make sure to carry extra cartridges if your snowshoeing adventure spans multiple days, ensuring you always have access to clean and safe drinking water.

When considering a water purification method for snowshoeing, activated carbon filters offer a practical and efficient solution that enhances water quality without adding significant weight to your gear.

8) Iodine Tablets or Drops

Snowshoes in snow, with a water bottle and iodine tablets or drops. A stream or lake in the background. Snow-covered trees and mountains in the distance

Iodine tablets or drops offer a reliable way to purify water while snowshoeing. Keeping a small bottle of these in your pack is simple and lightweight.

To use iodine tablets, follow the instructions on the package. Typically, you add one or two tablets to a liter of water and wait for around 30 minutes before drinking.

For iodine drops, dosage varies based on the concentration. Commonly, you'll add a few drops per liter of water and wait the same amount of time. Check the label for exact details.

Iodine treatments are effective against bacteria and viruses. They can also handle some protozoa. This makes them an excellent choice for natural water sources you might encounter.

Using iodine can slightly alter the taste of water. Some people find it unpleasant, but it’s a small price to pay for safety. If taste is an issue, you can neutralize it with flavoring powders or vitamin C tablets after the purification process.

Make sure to carry enough iodine for your entire trip. The shelf life of iodine is long, so it’s a lasting addition to your gear. Just ensure the container is closed tightly to prevent leakage.

Iodine tablets or drops are affordable and widely available. You can find them in outdoor stores or online. They are a convenient and effective solution for staying hydrated with safe water.

9) Water Purification Drops

Snowshoes on snowy ground, water purification drops next to a pristine stream, surrounded by pine trees and a clear blue sky

Water purification drops can be an effective option when snowshoeing. They are lightweight and easy to carry, making them ideal for outdoor adventures.

Using these drops is simple. Follow the instructions on the packaging to determine the correct amount needed to treat your water.

Most drops require a waiting period to ensure harmful microorganisms are neutralized. Typically, this is about 30 minutes, but it can vary by product.

You should ensure the drops you select are intended for outdoor use and can handle various contaminants. Look for drops that are especially effective against bacteria, viruses, and protozoa.

Remember to mix the drops thoroughly with the water. This helps to distribute the purification solution evenly.

It's advisable to use a clear container so you can see if the drops are properly mixed.

Be aware of the temperature of the water as colder temperatures can affect the efficacy of the drops. Adjust the waiting time accordingly.

Always carry a spare bottle of drops in case your primary one is lost or damaged.

Water purification drops are a practical addition to your snowshoeing gear, providing peace of mind when accessing natural water sources.

10) Solar Water Disinfection

Solar water disinfection, also known as SODIS, is an effective and simple method to purify water while snowshoeing.

To use this method, fill a transparent PET plastic bottle with clear water. Place the filled bottle in direct sunlight for at least 6 hours.

The UV rays from the sun kill harmful microorganisms in the water.

This technique is reliable and cost-effective, requiring only sunlight and a plastic bottle.

Ensure the bottle is not shaded and is kept in a sunny spot for optimal results.

Cloudy or colored water may require additional filtration before using solar disinfection.

This method is not suited for larger quantities of water, as it relies on smaller bottles for effective results.

Remember to choose a sunny day for this method for maximum efficiency.

Understanding Water Sources While Snowshoeing

Snowshoes on snowy ground near a stream. A backpack with water purification tools. Snow-covered trees in the background

When snowshoeing, water sources such as snow, ice, and streams are crucial. Identifying these sources and knowing how to utilize them ensures you have clean water during your trip.

Snow and Ice

Snow and ice are abundant water sources in snowy environments. Collecting and melting snow is straightforward, but ensure it’s not contaminated with debris or pollutants.

Use a stove or campfire to melt snow. Avoid eating snow directly, as it lowers body temperature and requires energy to melt inside your body. Ice can be a denser and cleaner option, providing more water per volume when melted. Ensure to break it into smaller pieces to speed up the melting process.

Streams and Rivermouths

Streams and rivermouths offer flowing water, often cleaner than stagnant sources. Look for clear, fast-flowing streams. Avoid water near industrial areas, settlements, or heavy animal activity.

Use a portable water filter or purification tablets to treat the water. Boiling the water for at least one minute can also kill pathogens. Test the water’s taste and odor; if it seems off, seek a different source. Always carry a collapsible water container for easy collection and storage.

Essential Water Purification Methods

Snowshoes on snowy ground with a small fire heating a pot of snow. Nearby, a makeshift water filter made from cloth and charcoal drips clean water into a container

When snowshoeing, access to clean drinking water is vital for your safety and health. Here are some effective methods to ensure your water is safe to drink.

Portable Water Filters

Portable water filters are compact and easy to carry. These devices use a combination of physical barriers, such as ceramic or fiberglass, and chemical treatments to remove bacteria and parasites. Filters like the Sawyer Mini or LifeStraw are popular among outdoor enthusiasts for their reliability and convenience.

To use a portable water filter, simply collect water from a natural source and filter it through the device. This method is quick and allows you to drink immediately after filtering. However, it’s important to remember that these filters do not remove viruses, so combining methods may be necessary.

Boiling Water

Boiling water is a highly effective method to kill bacteria, viruses, and parasites. To purify water through boiling, you need access to a heat source and a container. Bring the water to a rolling boil for at least one minute. At higher altitudes, boiling for three minutes is recommended.

This method is reliable and doesn’t require any special equipment. While it can be time-consuming and uses fuel, it ensures that the water is safe to drink. Boiled water tastes flat due to the lack of oxygen, but you can improve the taste by pouring it back and forth between containers.

Chemical Purification

Chemical purification involves using tablets or drops to treat water. Common chemicals include iodine and chlorine dioxide. These chemicals are effective in killing bacteria and viruses. Follow the instructions on the packaging carefully, as the amount needed and waiting times vary.

This method is lightweight and easy to carry, making it ideal for emergency situations. One drawback is the chemical taste it can leave in the water. Additionally, some chemicals may be ineffective against certain parasites, like Cryptosporidium. Despite this, chemical purification remains a popular option due to its simplicity and effectiveness.