Official record
2025-07-14
Chicago’s required lead-pipe notices mostly did not go out
About 900,000 occupants were due a letter by November 2024. Reporting found roughly 7 percent sent eight months later. Renters were the people least likely to be reached.
10 certified household tests. Median 13.6 ppb. Max 47 ppb.
This brief uses public records and household lab results.
It is not a utility exceedance and not medical advice.