Is there lead in Illiopolis's tap water?
1.5PPBparts per billion of lead in Illiopolis's water at the latest test, in tests since 2026
Under the legal limit of 15 ppb
Under the legal limit of 15 ppb
2 public water companies list Illiopolis as a place they supply. The biggest is Illiopolis's water department, with about 1,037 people. The highest latest result among Illiopolis's water companies is 1.5 parts per billion, at Illiopolis's water department. None of the 2 with results was above 15 at its latest test. 1 found too little lead to measure. Small ones like United Regional Water Coop supply just their own grounds or street; most of Illiopolis gets its water from Illiopolis's water department. Your water bill names yours.
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