A<unk> ,<unk><unk>  notice,<unk><unk>  warning,<unk><unk>  order, or<unk>  order is a public-health<unk>  or directive issued by governmental or other health authorities to consumers when a community's drinking<unk>  is or could be contaminated by pathogens. Under a<unk>  (BWA), the Centers for Disease Control and Prevention recommends that<unk>  be brought to a rolling<unk>  for one minute before it is consumed in order to kill protozoa, bacteria, and viruses. At altitudes above ,<unk> ing should be extended to 3 minutes, as the lower<unk> ing point at high altitudes requires more time to kill such organisms. BWAs are typically issued when monitoring of<unk>  being served to consumers detects E. coli or other microbiological indicators of sewage contamination. Another reason for a BWA is a failure of distribution system integrity evidenced by a loss of system pressure. While loss of pressure does not necessarily mean the<unk>  has been contaminated, it does mean that pathogens may be able to enter the piped-water system and thus be carried to consumers. In the United States, this has been defined as a drop below .
Boil-water advisory
Tao brush
Kambo cleanse
Oral hygiene
Feminine hygiene
Dry toilet
Assisted feeding
Sanitation