During and after a disaster, water can become contaminated with microorganisms for example, bacteria , sewage, agricultural or industrial waste, chemicals, and other substances that can cause illness 1. An email with instructions and a link to reset your password has been sent to your email. Directions for Disinfection of Water Advice from our experts. Next, decant the clarified contaminated water into a clean container, then add the bleach. Use the following table to determine how much bleach to add — it depends on how much water you are treating. Article Details.
How to disinfect wells, tanks, and large water barrels
Better than Bleach: Use Calcium Hypochlorite to Disinfect Water
Do not try to use water that has floating material in it, water that has any odor, or water that has a dark color. These are all indications that the water is significantly contaminated and may be dangerous no matter what you do to filter it or kill bacteria. On the other hand, a little dirt in the water can be cleaned out easily and won't hurt anyone. If the water is cloudy, the first thing to do is take out as much of the dirt as possible. If you have time, start by letting it settle. Put the water in a tall container and leave it for 12 to 24 hours. Carefully dip or pour the cleaner water at the top into another container.
Knowing how to make your water safe to drink can not only keep you healthy — it could save your life. We often take for granted access to safe, uncontaminated, potable water. So much so that many people do not have the means or knowledge necessary to destroy disease causing organisms that may be lurking in their water supply. Many outdoorsmen, survivalists, and households preparing for emergency disasters rely upon common household bleach as a disinfecting agent to make water safe to drink. Bleach will destroy most but NOT all!
Water chlorination is the process of adding chlorine or chlorine compounds such as sodium hypochlorite to water. This method is used to kill certain bacteria and other microbes in tap water as chlorine is highly toxic. In particular, chlorination is used to prevent the spread of waterborne diseases such as cholera , dysentery , and typhoid.