Shoal & Stem

Illinois tap water

Tap water for 688 Illinois cities and towns of 1,000+ people: GH, KH, pH, nitrate and the disinfectant, from public records. About 2 in 10 of their residents get chloramine, which doesn't gas off when water sits out.

Largest cities

ChicagoAuroraNapervilleJolietRockfordElginSpringfieldPeoriaChampaignWaukeganCiceroBloomington

All Illinois cities and towns

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