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Division of Agricultural Sciences and Natural Resources

Safe water is a priority after a natural disaster

Safety Water.jpgGaining access to clean, safe water is one of the first priorities after a natural disaster.

“During a natural disaster, water supplies including drinking water wells can be contaminated with anything from livestock waste to chemicals. Drinking this water can cause disease or sickness,” said Gina Peek, Oklahoma State University Cooperative Extension housing and consumer specialist.

Generally, www.ready.gov recommends 1 gallon of water per person per day for drinking and cooking.

Commercially bottled water is the safest, most reliable source in an emergency and has an indefinite shelf life. But, clean, usable water also may be found elsewhere in the home, including ice cube trays. Other beverages and liquids, such as juices from canned fruits and vegetables, count, too. However, reconstituted frozen juices should be avoided unless it is certain the water it is mixed with is from a safe source.

Chemically treated water, such as that used in swimming pools, can be used for personal hygiene but should not be used for eating and drinking.

Families interested in storing water in bottles can use food-grade plastic or glass containers that have been thoroughly cleaned with dish soap and water, said Barbara Brown, OSU Cooperative Extension food safety specialist.

“Avoid plastic jugs or cardboard containers that had milk or juice in them previously because milk protein and fruit sugars can’t be completely washed away and the risk of bacterial growth increases when water is stored in them,” Brown said. “Cardboard also leaks easily and isn’t designed for long-term storage.”

Two-liter soft drink bottles can be reused for this purpose, but they should be sanitized first, using 1 teaspoon of non-scented liquid household chlorine bleach per quart of water. Shake well, making sure the solution coats the entire inside of the container. Let it sit at least 30 seconds then discard the bleach water.

Once properly cleaned, fill bottles with tap water. To avoid contamination, do not allow the bottle to contact the tap and tightly close the original lid without touching the inside of the cap with your fingers.

Label each container as drinking water and include the date, then store the containers in a cool, dark place.

In cases in which well water is suspected of being contaminated, contact the local, state or tribal health department for specific guidance and testing. More information on wells also may be found at www.cdc.gov.

For more information visit http://emergency.cdc.gov/ and contact the nearest county Extension office.

 

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Leilana McKindra
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Oklahoma State University
Stillwater, OK 74078
Phone: 405-744-6792
Fax: 405-744-5739
Email: leilana.mckindra@okstate.edu

Oklahoma State University - Stillwater, OK 74078
405.744.5000