BATON ROUGE, La. (AP) - The Louisiana health department has issued boil advisories for five water systems, most of them in areas evacuated because of floods, and Terrebonne Parish has issued one for the entire parish because of cloudy water.
The state advisory in Schriever is because Tropical Storm Isaac interrupted water treatment. Water systems flooded in St. John Water District No. 1 in St. John the Baptist Parish and in the Plaquemines Parish towns of Dalcour, Port Sulphur and East Point-a-la-Hache.
Until the water is tested and found safe to drink, people in those areas should disinfect water before drinking it or cooking, brushing teeth or preparing food with it.
That means either boiling water for one minute in a clean container or treating it with unscented liquid chlorine bleach and letting it stand for at least 30 minutes. Water coming clean from the tap can be treated with one-quarter teaspoon of bleach per gallon; if it's cloudy or colored, use one-quarter teaspoon of bleach per gallon.
Boiling is the most effective method. The Department of Health and Hospitals says water for the elderly, young children, and people with compromised immune systems should be boiled rather than treated with chlorine.