Top Ten CA Census Tracts with Most Children <6 with Elevated Lead Levels

All Sacramento County Census Tracts: 677
All Fresno County Census Tracts: 488
All Los Angeles County Census Tracts: 339
All Humboldt County Census Tracts: 246
All Imperial County Census Tracts: 194
All San Bernardino County Census Tracts: 157
All Orange County Census Tracts: 112
All San Diego County Census Tracts: 111
All Madera County Census Tracts: 107
All Riverside County Census Tracts: 97
   

Source: Auditor of the State of California, Childhood Lead Levels