Lead poisoning in Maine
Why This Indicator Matters
According to the National Center for Disease Control and Prevention, protecting children from exposure to lead is important to lifelong good health. There is no safe level of lead in a person’s blood. Even low levels of lead in blood have been shown to affect IQ, ability to pay attention, and academic achievement. The most important step parents, doctors, and others can take is to prevent lead exposure before it occurs. CDC fact sheet on elevated lead levels in children
Maine law implemented in June 2019 requires blood lead tests for all children at 1 and 2 years of age.
What the data shows
In Maine, in 2019, 2.3% of Maine children ages 0 -36 months tested for blood lead were found to have a venous blood lead level of 5 µg/dL or higher. Since 2003, there has been a steady decrease in the number of children identified with lead poisoning, from 1,194 in 2003, to 586 in 2008, 399 in 2013 to 2019 when there were an estimated 292 children ages 0 - 3 with a blood lead level at or above 5 micrograms per deciliter (ug/dL). Approximately one third of all childhood lead poisonings occurred in these urban communities: Lewiston/Auburn, Portland/Westbrook, and Saco/Biddeford.
In 2019, 12,538 children ages 0 -36 months were screened, up from 10,917 the year before. and of that number, approximately 2.3% tested positive for elevated blood lead levels. At a county level, in 2019, the counties with the highest rates of lead poisonings were: Knox (4.7%), Androscoggin,(3.3%), Franklin (2.9%), and Somerset (2.7%).
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Definitions: Children can be given a blood test to measure the level of lead in their blood. If a venous blood lead level is at or above 5 ug/dL it is an elevated blood lead indicative of lead poisoning. The estimated number of children with a blood lead level ≥5 ug/dL is the number with confirmed tests plus 38% of the children with unconfirmed 5-<10 ug/dL tests. The percent of lead poisoning reflects the number of children in the county ages 0-<36 months with elevated blood lead levels among the number screened.
Footnotes: Updated October 2021
Maine Children's Alliance
The Maine Children's Alliance advocates for sound public policies and promotes best practices to improve the lives of all Maine's children, youth and families.Learn More