Can You Drink Out of a Jerry Can? A Comprehensive Guide
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The short answer is: it depends. If the jerry can has never been used to store fuel or other hazardous materials and is specifically designed and certified for potable water storage, then yes, you can drink from it. However, using a jerry can that previously contained fuel, even after cleaning, is strongly discouraged due to the risk of contamination.
Drinking water from a jerry can not intended for that purpose can pose significant health risks due to residual chemicals that are nearly impossible to remove completely. So, let’s dive deeper into understanding jerry cans, their uses, and what to look for when storing drinking water.
Understanding Jerry Cans
Jerry cans, those ubiquitous metal or plastic containers, have a fascinating history. Originating in pre-World War II Germany (hence the “Jerry” nickname), they were designed for efficient and robust transport of fuel and water. Their sturdy construction and convenient size made them indispensable for military operations and, subsequently, for civilian use.
However, not all jerry cans are created equal. Fuel cans are typically lined with coatings designed to withstand the corrosive properties of gasoline and diesel. These coatings are often unsuitable for contact with potable water and can leach harmful chemicals into the liquid.
Jerry Cans for Water: What to Look For
If you intend to store water in a jerry can, it’s crucial to choose one specifically manufactured and labeled for potable water storage. These cans are typically made of food-grade plastic or have a food-safe lining that prevents contamination.
Here are some essential features to look for:
- BPA-free: Ensure the can is made from BPA-free plastic. BPA (Bisphenol A) is a chemical found in some plastics that can leach into water and has been linked to health concerns.
- Food-grade material: The can should be made from high-density polyethylene (HDPE) or other food-grade plastics that are safe for contact with drinking water.
- Dark color: Opt for a can with a dark color, such as blue or black. This helps to block sunlight, which can promote the growth of algae and bacteria.
- Tight-sealing lid: A secure lid is essential to prevent leaks and contamination.
- Easy to clean: Choose a can with a wide opening that allows for easy cleaning and disinfection.
The Dangers of Using Fuel Cans for Water
Using a jerry can that previously contained fuel for water storage is a risky proposition. Even meticulous cleaning may not remove all traces of fuel residue. These residues can contaminate the water, making it unsafe to drink and potentially causing:
- Gastrointestinal distress: Nausea, vomiting, and diarrhea.
- Neurological effects: Headaches, dizziness, and confusion.
- Long-term health problems: Exposure to certain fuel components can increase the risk of cancer and other chronic diseases.
Safe Water Storage Practices
Even with a dedicated water jerry can, proper storage practices are essential to maintain water quality. Here are some tips:
- Clean and disinfect: Before using a new jerry can, wash it thoroughly with soap and water, then disinfect it with a solution of bleach and water (1 tablespoon of bleach per gallon of water). Rinse well.
- Use potable water: Fill the can with water from a trusted source, such as a municipal water supply or a well that has been tested for contaminants.
- Store in a cool, dark place: Store the jerry can in a cool, dark location away from direct sunlight and heat. This helps to prevent the growth of algae and bacteria.
- Rotate your water: Replace stored water every six months to a year to ensure freshness.
- Consider water purification tablets: For added safety, especially in emergency situations, consider using water purification tablets to kill any bacteria or viruses that may be present.
Frequently Asked Questions (FAQs)
1. Can I clean a fuel jerry can well enough to make it safe for water?
While you can attempt to clean a fuel jerry can, it’s highly unlikely you’ll remove all traces of fuel residue. Microscopic amounts can still leach into the water, making it unsafe for consumption. It’s best to avoid using fuel cans for water altogether.
2. What type of plastic is best for water jerry cans?
Food-grade, high-density polyethylene (HDPE) is generally considered the best type of plastic for water jerry cans. It’s durable, BPA-free, and resistant to leaching.
3. How long can water last in a jerry can?
If stored properly in a clean, sealed container in a cool, dark place, water can last for six months to a year without significant degradation. After that, it’s best to replace it.
4. Is it safe to drink water that has been stored in a jerry can in the sun?
Exposure to sunlight can accelerate the growth of algae and bacteria in stored water. It’s best to avoid drinking water that has been stored in a jerry can in direct sunlight for extended periods, even if the can is dark-colored.
5. What are the legal requirements for transporting jerry cans with fuel?
Regulations vary by location, but generally, jerry cans used for fuel must be approved gasoline containers and filled while sitting on the ground to prevent static electricity buildup. Always check your local laws.
6. Can I store a jerry can of water in my car?
Yes, you can store a jerry can of water in your car, but it’s important to secure it properly to prevent it from sliding around. Avoid leaving it in the car for extended periods, especially in hot weather, as this can affect water quality.
7. How do I disinfect water stored in a jerry can?
You can disinfect water by adding unscented liquid chlorine bleach (containing 5% to 9% sodium hypochlorite) to the water. Use about 4 to 5 drops per gallon of water. Let it sit for at least 30 minutes before drinking.
8. What are the different colors of jerry cans and what do they signify?
The color coding is for user safety and is but one of the many regulatory requirements addressing the handling, storage, and transporting flammable and combustible liquids responsibly and safely. *Red Can: Gasoline. *Yellow Can: Diesel. *Blue Can: Kerosene. *Green Can: Oils. *Black Can: This is a non-designated color made purely for aesthetic purposes.
9. Are metal or plastic jerry cans better for storing water?
Both metal and plastic jerry cans can be used for water storage, but plastic is generally preferred due to its resistance to rust and corrosion. Metal cans can rust over time, potentially contaminating the water.
10. Do jerry cans need to be vented?
Venting fuel jerry cans is important to prevent pressure buildup due to temperature changes or altitude variations. Water jerry cans do not require venting, but you should still be aware of similar conditions that might cause excessive pressure, especially in hot climates.
11. What’s the safest material to drink water out of in general?
Glass is often considered the safest material for drinking water because it’s inert and doesn’t leach chemicals. Stainless steel is another good option, offering durability and insulation.
12. What is the most efficient way to store water long-term?
Storing water in food-grade plastic containers is durable, effective, and cost-efficient is the best way to store water long-term.
13. Is it legal to walk around with a jerry can?
Whether it’s legal to walk around with a jerry can depends on the context and local regulations. Police officers determine if it is considered a “dangerous load” or “may be hazardous”. Carrying fuel in cans could possibly be seen as “a dangerous or hazardous load”.
14. Are jerry cans legal in US?
This jerrycan features a locking key on the cap, and a special EPA/CARB certified spout and unleaded adapter are included with every can. The special spout is what makes this jerrycan/spout combination legal for sale in all 50 states, even though many would recognize this type of jerrycan as “preban”.
15. Why are they called jerry can?
It was called “jerry” from the American US Forces slang term “Jerry” for Germans. The jerry cans were born. The new design retained the German handles, size, and shape.
Conclusion
While the allure of repurposing a readily available jerry can for water storage might be strong, prioritizing safety is paramount. Always opt for a jerry can specifically designed for potable water and adhere to proper storage practices to ensure the water remains safe to drink. Your health is not worth the risk!
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