Naperville, IL – The city of Naperville has released their 2024 annual water quality reports, confirming that drinking water in the community met or exceeded all state and federal safety standards throughout the year.
According to data from the Consumer Confidence Reports, no violations of Maximum Contaminant Levels (MCLs) were recorded in either city. The City of Chicago tested for a wide range of regulated and unregulated contaminants, including turbidity, barium, nitrates, and fluoride. The highest turbidity levels reported were within acceptable limits, with a 99.7% compliance rate for samples at or below 0.3 NTU.
Chlorine, haloacetic acids, and total trihalomethanes were measured as part of the disinfection process. Chlorine levels peaked at 1.2 ppm, still under the MRDL of 4 ppm. Both cities reported trace levels of metals such as copper and lead, with Naperville showing no sites exceeding action levels in its lead and copper testing.
The reports also highlighted that fluoride, which helps prevent tooth decay, remained within the recommended range. Sodium and sulfate levels—often tied to natural deposits—were also detected but did not require regulatory limits under current federal guidelines.
Naperville’s report further noted that 29 unregulated contaminants, including PFAS and lithium, were monitored as part of the UCMR 5 testing. None of those substances were detected in the city’s water during 2024.
The municipality draws water from Lake Michigan and emphasized ongoing monitoring efforts for contaminants such as Cryptosporidium and Giardia. No traces of these microbes were detected.
Residents with concerns about lead or water quality are encouraged to consult city water departments or request water testing kits.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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