Boil Water Advisory for Thayer, Neosho County

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Published March 23rd, 2026

Detected March 24th, 2026

Summary

The Kansas Department of Health and Environment (KDHE) has issued a boil water advisory for the City of Thayer public water supply system due to a waterline break causing a loss of pressure. Customers are advised to boil water for one minute before drinking or food preparation until further notice.

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What changed

The Kansas Department of Health and Environment (KDHE) has issued a boil water advisory for the City of Thayer public water supply system in Neosho County, effective March 23, 2026. The advisory was prompted by a waterline break that resulted in a loss of pressure, creating a risk of bacterial contamination.

Residents and food establishments must boil water for one minute prior to consumption or food preparation, and take other precautions such as disinfecting dishes. The advisory will remain in effect until the conditions are resolved and KDHE issues a rescind order following laboratory testing. Restaurants with questions can contact the Kansas Department of Agriculture.

What to do next

Boil water for one minute prior to drinking or food preparation.
Dispose of ice cubes and do not use ice from automatic icemakers.
Disinfect dishes and food contact surfaces with a bleach solution.

Source document (simplified)

Boil Water Advisory Issued for the City of Thayer, Neosho County

Press Releases - Boil Water Advisories Posted on March 23, 2026 | Last Updated on March 23, 2026

The Kansas Department of Health and Environment (KDHE) has issued a boil water advisory for the City of Thayer public water supply system located in Neosho County.

Customers 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.
If your tap water appears dirty, flush the water lines by letting the water run until it clears.
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 March 23, 2026 and will remain in effect until the conditions that placed the system at risk of bacterial contamination are resolved. KDHE officials issued the advisory because of a waterline break resulting in a loss of pressure in the distribution system. Failure to maintain adequate pressure may result in a loss of chlorine residuals and bacterial contamination.

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, please contact the water system at 785-283-4238, or KDHE at 785-296-5514. For consumer information please visit KDHE’s PWS Consumer Information webpage: https://www.kdhe.ks.gov/468/Disruption-in-Water-Service

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 [email protected] or call 785-564-6767.