Drinking Water Safety
If water treatment plants
are affected by flood waters, residents should heed instructions from
local authorities to boil their water before drinking it and for use in
People should not use any ice that is made with potentially
Residents who are placed under a boil water notice should:
- Boil water at a rolling boil for one minute. This will kill any disease-causing microorganisms present in the water.
The “flat” taste of boiled water can be improved by pouring it back
and forth from one clean container into another, by allowing it to
stand for a few hours, or by adding a pinch of salt for each quart
of water boiled.
If you can’t boil water:
- Add 8 drops of recently purchased, unscented liquid household bleach per gallon of clear water (double the number of drops for cloudy water).
- Stir it well.
- Let the water stand for 30 minutes before you use it.
You also can use water-purifying tablets from you local pharmacy or
sporting goods store. Note that using bleach or tablets may
not kill some disease causing microorganisms.
Drinking bottled water is also an option for people whose water is
People with compromised immune systems, including those who are on
chemotherapy or are HIV positive, and living in the affected areas
should be extremely cautious and consume only commercial bottled
- In the event of flooding near a private well, assume that the well water is contaminated until it can be tested for safety.