A retrospective analysis was conducted on data from the City of Dallas Environmental and Health Department to integrate several studies by the Health Department over a 20-year period beginning in the 1970s in a neighborhood known as Cadillac Heights. Residents expressed health and safety concerns about lead contamination from two smelters located adjacent to their neighborhood. The City wished to determine if additional environmental health assessments, remediation, and intervention were needed in the community. Over 35,000 records consisting of consent forms, blood tests, and soil, water, and air samples were reviewed. Many children's blood lead levels were above 25 μg/dL (in 1980 the CDC blood limit level was 25 μg/dL). Numerous soil samples were also above the 1980 limit of 1000 mg/kg. Ambient air monitoring indicated both smelters were emitting lead from their operations. Ground-water showed some contamination but was not a health concern since residents used municipally supplied water. Study results indicate both lead smelters emitted lead into the immediate environment, both air and soil. Children, adolescents, and young adults in the Cadillac Heights neighborhood had elevated blood lead levels that could prove detrimental not only to their health, but may limit their ability to fully contribute to society due to impaired development from the effects of lead.