Open-source Home Safety Score algorithm (0-100, A-F) used across 42,679 US ZIP records. 66 sources include EPA SDWIS/ECHO/LCR, PFAS, state MCLs, radon, FEMA flood, CDC blood lead, and Census housing age.
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Aug 17, 2026 - JavaScript
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epa-data
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CLI to check home safety scores for any US ZIP code: water quality, PFAS, lead risk, radon, and flood data from 66 federal sources. Powers the zipcheckup.com API.
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Updated
Aug 19, 2026 - JavaScript
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