Local municipal report and ewg.org data. Midwest water is pretty shit. Time to start saving for a RO system.
What was detected in 2024:
๐ฟ Nitrate โ 6.2 ppm (legal limit: 10 ppm)
From agricultural fertilizer runoff. High enough to be a concern, especially for infants.
๐ฑ Atrazine โ 0.41 ppb (legal limit: 3 ppb)
A common herbicide from row crop farming. Within legal limits but still present.
๐งช Trihalomethanes (TTHMs) โ avg 64.15 ppb, spiking to 98.80 ppb (legal limit: 80 ppb avg)
Disinfection byproducts formed when chlorine reacts with organic matter. Technically compliant on the annual average, but individual spikes exceeded the legal limit.
๐งช Haloacetic Acids โ 34.70 ppb avg (legal limit: 60 ppb)
More chlorine disinfection byproducts. Within limits but present.
โฃ๏ธ PFOA โ 3.8 ppt (EPA health advisory: 0.004 ppt)
~950x over the health advisory. "Forever chemical" linked to cancer, immune disruption, and hormonal issues. Not illegal under current MCL rules but flagged as a public health concern.
โฃ๏ธ PFOS โ 2.1 ppt (EPA health advisory: 0.020 ppt)
~105x over the health advisory. Same class of PFAS forever chemicals.
โ๏ธ Fluoride โ 0.88 ppm (legal limit: 4 ppm) โ intentionally added
๐ง Sodium โ 12.6 ppm โ from treatment process and natural deposits
๐ฉ Lead โ 1.3 ppb (action level: 15 ppb) โ from home plumbing, not the source water itself
๐ฉ Copper โ 0.017 ppm (action level: 1.3 ppm) โ same, home plumbing