
Waterborne diseases are illnesses caused by microscopic organisms, like viruses and bacteria, that are ingested through contaminated water or by coming in contact with feces. If every person on the planet practices safe sanitation and hygiene and drank only clean water, these diseases would not exist.
Ensuring safe drinking water is a three-step process. The first involves removing obvious debris. The second is filtration which removes toxic particles. The third is disinfecting the water. Many ways exist to guarantee that water is safe to drink.
Sometimes we have water available, but that water might not be fit to use. In this case, we either use it as is and face the consequences like toxicity or waterborne diseases or do what it takes to ensure that the water is safe to use.
Removing Debris
One of the ways that we get water is through rainwater and one of the easy ways to ensure that the rainwater has debris removed is by creating or purchasing a first flush system that washes the dirt from the roof so that the water is clean.
If water comes from another source like a stream, filtering the water through some sort of sieve will be necessary before going on to the following steps.
Filtering
Once the water has been cleared of debris, the water probably still requires further filtering. Having a filter that includes charcoal is important for removing toxic chemicals.
An easy way to ensure safe drinking water is to run it through a charcoal-based water filter to get rid of toxic substances and then boil the water for 10-20 minutes to kill waterborne diseases.
Disinfecting
Even though the water has been cleaned of debris and potential toxins, there’s still the matter of disinfecting the water to remove disease-causing pathogens. Two basic ways exist to disinfect water. The first is by boiling and the second is by using a chemical disinfectant that is relatively safe to drink.
Boiling
if you do not have bottled water. Boiling is sufficient to kill pathogenic bacteria, viruses and protozoa If water is cloudy, let it settle and filter it through a clean cloth, paperboiling water towel, or coffee filter.
Bring water to a rolling boil for at least one minute. At altitudes above 5,000 feet (1,000 meters), boil water for three minutes.
Let water cool naturally and store it in clean containers with covers.
To improve the flat taste of boiled water, add one pinch of salt to each quart or liter of water. Alternatively, you can pour the water from one clean container to another several times.
Chlorine Bleach
if you can’t boil water. Only use regular, unscented chlorine bleach products that are suitable for disinfection and sanitation as indicated on the label. The label should say that the active ingredient is 6 or 8.25% of sodium hypochlorite. Do not use scented, color-safe, or bleach with added cleaners. If water is cloudy, let it settle and filter it through a clean cloth, paper towel, or coffee filter.
Locate a clean dropper from your medicine cabinet or emergency supply kit.
Use fresh liquid chlorine bleach or liquid chlorine bleach that has been stored at room temperature for under one year.
Use 8 drops of 6% bleach, or 6 drops of 8.25% bleach, to each gallon of water. Double the amount of bleach if the water is cloudy, colored, or very cold.
Stir and let stand for 30 minutes. The water should have a slight chlorine odor. If it doesn’t, repeat the dosage and let stand for another 15 minutes before use.
If the chlorine taste is too strong, pour the water from one clean container to another. Let it stand for a few hours before using it.
Other Methods of Disinfecting Water
Granular calcium hypochlorite
First, make a chlorine solution to disinfect your water. For your safety, do it in a ventilated area and wear eye protection. Add one heaping teaspoon (approximately ¼ ounce) of high-test granular calcium hypochlorite (HTH) (pool shock) to two gallons of water. Stir until the particles have dissolved. The mixture will produce a chlorine solution of approximately 500 milligrams per liter. To disinfect water, add one part of the chlorine solution to each 100 parts of water you are treating. This is about the same as adding 1 pint (16 ounces) of the chlorine solution to 12.5 gallons of water. If the chlorine taste is too strong, pour the water from one clean container to another, Let it stand for a few hours before use. CAUTION: HTH is a very powerful oxidant. Follow the instructions on the label for safe handling and storage of this chemical.
Common household iodine
Tincture of iodine can also be used. The iodine in your medicine cabinet or first aid kit will work. Add five drops of 2% tincture of iodine to each quart or liter of water that you are disinfecting. If the water is cloudy or colored, add 10 drops of iodine. Stir and let the water stand for at least 30 minutes before use.
Water disinfection Tablets
Water disinfection tablets. You can disinfect water with tablets that contain chlorine, iodine, chlorine dioxide, or other disinfecting agents. These tablets are available online, at pharmacies, and sporting goods stores. Follow the instructions on the product label as products have different strengths.
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