There are several initiatives in place to track lead poisoning in and around Chicago, Illinois, and the United States.

Map of the Chicago Community Areas reflecting percentages of children, age 3 years or younger, with elevated blood lead levels in 2007.

Interactive Map of Chicago Community Areas reflecting estimated rate per 1,000 children aged 0-6 years receiving a blood lead level test, for the years 1999 - 2013.

Interactive Map of Chicago Community Areas reflecting estimated percentage of children aged 0-6 years tested found to have an elevated blood lead level, for the years 1999 - 2013.

Table of the Chicago Community Areas reflecting numbers and percentages of children age 6 years or younger, with elevated blood lead levels in 2007.

Illinois Lead Program: 2014 Annual Surveillance Report.pdf‌Illinois Lead Program: 2014 Annual Surveillance Report provides information on the number of children screened and identified with lead poisoning by county, age, race and blood lead levels.