How To Purify Water For Drinking

How Much Clorox To Add and Other Ways to Purify Water For Drinking

The treatments described at this Washington State Public Health link are recommended only in situations where the water is unsafe because of the presence of bacteria or viruses.

If you suspect the water is unsafe because of chemicals, oils, poisonous substances, sewage or other contaminants, absolutely do not use the water for drinking.

Do not overuse Clorox/chlorine. Ingesting excess amounts and above recommended levels is bad for your health.

For more information, and also discounts on countertop or whole home water purification systems, click on the Aquasana icon to the upper right on the home page.

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Summary and related notes :

Storing water safely

Store one gallon of water per person per day. Store at least a three-day supply of water per person. Collect the water from a safe supply. Thoroughly washed plastic containers such as soft drink bottles are good, but glass even better. You can also purchase food-grade plastic buckets or drums.

Seal water containers tightly, label with date, and store in a cool, dark place. Replace water every six months. Never reuse a container that contained toxic materials such as pesticides, solvents, chemicals, oil or antifreeze. Water purification

Treating water

There are two primary ways to treat water: boiling and adding bleach. If tap water is unsafe because of water contamination (from floods, streams or lakes), boiling is the best method. Cloudy water should be filtered before boiling or adding bleach.

Filter water using coffee filters, paper towels, cheese cloth or a cotton plug in a funnel.

Boiling is the safest way to purify water. Bring the water to a rolling boil for one minute. Let the water cool before drinking. If boiling is not possible, treat by adding liquid household bleach, such as Clorox or Purex. Household bleach is typically between 5 percent and 6 percent chlorine. Avoid using bleaches that contain perfumes, dyes and other additives. Be sure to read the label.

Place the water (preferably filtered) in a clean container. Add the amount of bleach according to the tables listed in the “purifying household water” fact sheet. Mix thoroughly and allow to stand for at least 30 minutes before using (60 minutes if the water is cloudy or very cold).

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