The EPA rarely retests homes in the nation’s largest residential lead Superfund site after initial cleanups. ProPublica conducted independent testing to check for ongoing contamination risks to residents.
The Environmental Protection Agency maintains that homes cleaned in the vast lead-contaminated Superfund area do not require follow-up testing. This stance covers thousands of properties affected by decades of mining pollution, where lead in soil and dust poses serious health threats, particularly to children.
ProPublica collected soil samples from multiple homes in the region to verify the EPA’s assumptions. Their results indicated that lead levels can persist or reappear due to erosion, weather, and incomplete remediation, raising questions about the long-term effectiveness of the agency’s one-time approach.
These findings underscore potential oversight gaps that leave families exposed to toxic lead. Health experts urge revised policies including regular retesting to better protect communities from lifelong developmental and health problems linked to the contaminant.
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