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UPDATE, 10:30 p.m. Thursday

A boil water advisory issued by the City of Wichita on Thursday will remain in effect until at least Saturday, the city said in a tweet Thursday night.

Wichita city staff are working with the Kansas Department of Health and Environment (KDHE), per the tweet, and are expecting to get water testing results from KDHE on Saturday morning. At that point, KDHE will determine whether the boil water advisory will be lifted or remain in effect.

"Ensuring that no bacteria is present and our water is safe for the community is our top priority, and we will continue to update as we learn more," the city said in a later tweet

Original story, 5 p.m. Thursday

The City of Derby, in accordance with the City of Wichita, has issued a boil water advisory for residents effective Oct. 7.

Derby purchases its water from the City of Wichita. As a Wichita customer, Derby is required to follow the same notification and response actions, although Derby never experienced low pressures in our system.    

Residents should observe the following precautions until further notice:

  • Boil water for one minute prior to drinking or food preparation or use bottled water.
  • Dispose of ice cubes and do not use ice from a household automatic icemaker.
  • 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.
  • Water used for bathing does not generally need to be boiled. Supervision of children is necessary while bathing so that water is not ingested. Persons with cuts or severe rashes may wish to consult their physicians.

The advisory took effect on Oct. 7, 2021 and will remain in effect until the conditions that placed the system at risk of bacterial contamination are resolved. City of Wichita officials issued the advisory as a precautionary measure due to system-wide low pressure.

Regardless of whether the public water supplier or Kansas Department of Health and Environment (KDHE) announced a boil water advisory, only KDHE can issue the rescind order following testing at a certified laboratory.

For consumer questions, call the City of Derby at 316-788-0301 (7 a.m. to 4 p.m. Mon. - Fri. ), or KDHE at (785) 296-5514. For consumer information please visit KDHE's PWS Consumer Information webpage: http://www.kdheks.gov/pws/emergencyresponse/water_disruption.htm

Restaurants and other food establishments that have questions about the impact of the boil water advisory on their business can contact the Kansas Department of Agriculture's food safety & lodging program at kda.fsl@ks.gov or call (785) 564-6767.