U.S. Water Quality Data by ZIP Code

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Aggregated EPA drinking water quality data for 6,300+ US ZIP codes. Includes violation counts, lead/copper 90th percentile levels (PB90/CU90), radon zones, and a composite Home Safety Score (0-100, A-F grade). Derived from EPA SDWIS and Lead and Copper Rule (LCR) databases. Updated weekly. More info: zipcheckup.com/data

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Published in: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.19084049

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U.S. Water Quality Data by ZIP Code

Authors

Abstract

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Publication Details