Boil Water Advisory Rescinded for Thayer, Neosho County

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Published March 26th, 2026

Detected March 26th, 2026

Summary

The Kansas Department of Health and Environment (KDHE) has rescinded a boil water advisory for the City of Thayer public water supply system in Neosho County. The advisory was issued due to a waterline break that caused a loss of pressure. Laboratory testing confirmed no bacteriological contamination, and KDHE has deemed the situation resolved.

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What changed

The Kansas Department of Health and Environment (KDHE) has officially rescinded a boil water advisory for the City of Thayer public water supply system in Neosho County. This advisory was initially put in place following a waterline break that led to a loss of pressure, creating a risk of bacterial contamination. The rescission follows successful laboratory testing of water samples, which indicated no evidence of bacteriological contamination.

This notice signifies that the public water supply system in Thayer has met the necessary safety standards and that normal water usage can resume without the need for boiling. Residents with questions can contact the water system directly or the KDHE. This action resolves the immediate public health concern related to the water supply disruption.

Source document (simplified)

Boil Water Advisory Rescinded for the City of Thayer, Neosho County

Press Releases - Boil Water Advisories Posted on March 26, 2026 | Last Updated on March 26, 2026

The Kansas Department of Health and Environment (KDHE) has rescinded a boil water advisory for the City of Thayer public water supply system located in Neosho County.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

Public water suppliers in Kansas take all measures necessary to notify customers quickly after a system failure or shutdown. Regardless of whether it’s the supplier or KDHE that announces a boil water advisory, KDHE will issue the rescind notice following testing at a certified laboratory.

Laboratory testing of drinking water samples collected from the City of Thayer indicate no evidence of bacteriological contamination and all other conditions that placed the system at risk of contamination are deemed by KDHE officials to be resolved.

For consumer questions, please contact the water system at: 620-839-5353 or you may call KDHE at 785-296-5514. For consumer information please visit our webpage: https://www.kdhe.ks.gov/468/Disruption-in-Water-Service.