Updated 7-26-19: St. Louis City Water Division Issues Precautionary Boil Advisory For Parts of South City

Water Division Issues 24 Hour Precautionary Boil Advisory For Parts Of South City

July 25, 2019 | 3 min reading time

This article is 3 years old. It was published on July 25, 2019.

Update as of 9:30 AM on Friday July 26th: The precautionary boil advisory for has been lifted. 

The City Water Division has issued a precautionary boil water advisory for a portion of its service area due to low water pressure caused by a broken main.

The area under the precautionary boil water advisory is:

  • North of Arsenal to Oakland between Kingshighway and the western City limit.
  • South of Arsenal to Chippewa between Kingshighway and Hampton.
  • See Map for more specific detail of the affected area.

View and download a map of the designated area

Although water has been restored to those neighborhoods, the water pressure in the affected areas has fallen below acceptable City levels, prompting the City Water Division to issue a precautionary boil water advisory.

The Water Division has not detected any contamination to the water supply and has issued the boil water advisory out of an abundance of caution.

The boil water advisory is in effect until further notice. The Water Division will analyze water samples before determining when to lift the boil water advisory. Test results will be in 24 hours.

Frequently Asked Questions

What is a boil water advisory? 

The Water Division may issue a boil water advisory when there is concern a problem with drinking water may exist, but it has not yet been confirmed. This may be done, for example, after very low water pressure or a main break event and while waiting for the results from tests for confirmation in water samples collected for bacteriological analysis. The analysis results should be available the next day.

What is a boil water order? 

A boil water order is issued by the Missouri Department of Natural Resources to public water systems when a threat to the public health exists, or is likely to exist, that boiling the water will remedy. The public water system is then required to notify consumers as soon as possible, and by the most effective methods, that need to boil their drinking water.

What precautions should I take if under a boil water advisory or order? 

The following steps need to be taken:

  • Boil water vigorously for three minutes prior to use. Use only water that has been boiled for drinking, diluting fruit juices, all other food preparation and brushing teeth.

Note: Let water cool sufficiently before drinking (approximately 110 degrees Fahrenheit).

  • Dispose of ice cubes and do not use ice from a household automatic ice maker. Remake ice cubes with water that has been boiled.
  • Disinfect dishes and other food contact surfaces by immersion for at least one minute in clean tap water that contains one teaspoon of unscented household bleach per gallon of water.

Do I need to boil bath water? 

Water used for bathing does not generally need to be boiled. Supervision of children is necessary while bathing or using backyard pools so water is not ingested. Persons with cuts or severe rashes may wish to consult their physicians.

What are the causes of boil water orders? 

The presence of fecal coliform or E. coli bacteria is a common cause for issuing a boil water order. Other instances include low water pressure and inadequate levels of chlorine at systems that require chlorination. High turbidity levels, cross connections, inadequate treatment techniques and the presence of other microbial pathogens such as Giardia or Cryptosporidium are potential causes for boil water orders that occur less frequently.

What are the symptoms of water-borne illness? 

Disease symptoms may include diarrhea, cramps, nausea and possible jaundice and associated headaches and fatigue. These symptoms, however, are not just associated with disease-causing organisms in drinking water; they also may be caused by a number of factors other than your drinking water.

Are some groups of people more seriously affected? 

Persons with reduced immune function, infants under six months in age, and the elderly are more seriously impacted by water-borne disease. Immune function may be reduced due to chemotherapy for treatment, organ transplants or diseases such as HIV/AIDS. Persons in these groups need to contact their personal physicians for additional information.

Should I buy bottled water just to be on the safe side? 

Buying bottled water may be a feasible alternative to boiling drinking water when under a boil water order. Bottled water operations are routinely inspected, and samples are analyzed by state health agencies. This offers a safe source of water for drinking, cooking and brushing teeth.

Where can I get more information?

To learn more about your drinking water, call the Missouri Department of Natural Resources at 800-361-4827. If you are served by a public water system, call the EPA’s Safe Drinking Water hotline at 800-426-479.

If you get your drinking water from a private well, contact the Missouri Department of Health at 800-392-0272.

For More Information

City of St. Louis – Water Division Customer Service Section
1640 S. Kingshighway, St. Louis, Mo. 63110
Phone: 314-771-2255
Website: www.stlwater.com
Missouri Department of Natural Resources Water Protection Program - Public Drinking Water Branch
P.O. Box 176 Jefferson City, MO 65102-0176
Phone: 1-800-361-4827 or (573) 751-5331
Fax: (573) 526-1146
Website: www.dnr.mo.gov/env/wpp

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