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Alameda County, CA, acgov.org

Maricela Narvaez-Foster
Director
Healthy Homes Department
Including the Lead Poisoning Prevention Program

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Alameda County Data


How many children in Alameda County are exposed to lead?

According to the 2010 U.S. Census over 100,000 children under the age of five live in Alameda County. Yet only 23,617 children were screened for lead during 2010. Many more need to be screened especially those at risk of lead poisoning. The data below reflects only those children who were tested for lead.

Blood Lead Levels among Children under 21 Years Old Screened in Alameda County, by Year

Year Number of children screened for lead Number of children with blood lead levels 4.5 - 9.4 μg/dL Number of children with blood lead levels > 9.5 μg/dL Total number of lead exposed children
2007 16,717 581 3.5% 164 1.0% 745 4.5%
2008 17,659 432 2.4% 126 0.7% 558 3.2%
2009 18,858 547 2.9% 104 0.6% 651 3.5%
2010 23,617 408 1.7% 58 0.2% 466 2.0%
2011 21,454 391 1.8% 72 0.3% 463 2.2%
2012* 20,443 519 2.5% 88 0.4% 607 3.0%
2013* 21,110 449 2.1% 78 0.4% 527 2.5%
Total since 2007 139,858 3327 2.4% 690 0.5% 4017 2.9%

Data Source: Response and Surveillance System for Childhood Lead Exposures (RASSCLE II) from the State of California, Department of Public Health, Childhood Lead Poisoning Prevention Branch.
*Preliminary data from the Alameda County Lead Poisoning Prevention Program RASSCLE II. Does not include Berkeley.

How many homes in Alameda County have lead-based paint?

Lead-based paint is the most common source of lead poisoning. Over 75% of the housing in Alameda County was built before 1978, the year the lead was banned from house paint. In the City of Oakland, 90% of the housing was built before 1978. The older the home, the more likely it is to contain multiple layers of lead-based paint.

Number of Alameda County Housing Units Built before 1978

Year built # of units
Pre-1940 106,612
1940-1959 139,435
1960-1977 160,432
TOTAL 406,479

Data Source: 2000 Census





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