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ZipCheckup
Free API for US environmental data by ZIP code
Free REST API and open data platform for US environmental safety data. Query water quality, PFAS contamination, radon risk, lead exposure, air quality, flood hazard and 11 more verticals for 42,000+ ZIP codes. Built on 50+ federal sources (EPA, CDC, USGS, FEMA). npm and PyPI packages available. No API key needed. CC BY 4.0 license. Updated daily from federal databases.
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What does ZipCheckup help with?
API: api.zipcheckup.com/v1/ โ 6 endpoints, no auth required npm: us-water-quality-data, zipcheckup PyPI: us-water-quality-data GitHub: github.com/artakulov/us-water-quality-data Dataset: Zenodo DOI 10.5281/zenodo.19427201 License: CC BY 4.0 Coverage: 42,679 ZIP codes, 17 safety verticals, 277K+ pages
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