The warning applies specifically to infants under six months of age, who are particularly vulnerable to nitrate exposure. Adults and older children are not at risk from this level of contamination, but infants face a serious health threat. Consuming nitrate-contaminated water can lead to methemoglobinemia, also known as “blue baby syndrome,” a condition that reduces the blood’s ability to carry oxygen. If left untreated, the condition can be fatal.
Officials emphasized that boiling tap water is not a safe solution in this case. In fact, boiling can concentrate nitrate levels even further by reducing the water volume through evaporation. Parents are advised not to use tap water for any infant-related purposes until further notice, including preparing formula or feeding infants directly.
The elevated nitrate levels are believed to be linked to recent heavy rainfall that caused fertilizer runoff in the region. Runoff likely entered the local water system through the Kankakee River, which is susceptible to contamination during significant weather events. Fertilizers used in agriculture often contain nitrates, and during rainstorms, these substances can be washed into rivers and nearby water sources that supply local systems.
Authorities are urging parents to use bottled water for infant consumption until the issue is resolved. While the situation poses no danger to the general public, infants’ underdeveloped digestive systems make them uniquely sensitive to nitrates. Officials are continuing to monitor the water quality and are conducting further testing to assess the extent of the contamination.
Residents are encouraged to stay informed through local updates and public health announcements. Efforts are underway to determine the timeline for restoring safe drinking water conditions. In the meantime, bottled water remains the safest and most reliable option for families with infants.
This incident underscores the importance of environmental monitoring and the impact that extreme weather events and agricultural practices can have on water quality. Communities reliant on surface water sources are especially vulnerable during periods of heavy rainfall, as runoff from farms and other areas can introduce harmful substances into the water supply.
Officials are also urging healthcare providers and parents to remain alert for symptoms in infants that could indicate nitrate exposure, such as bluish skin tone, shortness of breath, or unusual fatigue. Prompt medical attention can be life-saving in cases of nitrate-related illness.
Water authorities are working with environmental and public health experts to investigate the contamination source further and identify ways to mitigate future risks. While the immediate concern is focused on infant health, the broader goal is to ensure long-term safety and reliability of the drinking water system for all residents.
Until further testing confirms a return to safe nitrate levels, the public is strongly encouraged to follow all official recommendations. The safety advisory remains in place as a precautionary measure to protect the youngest and most vulnerable members of the community.









