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Water quality · Florida

Water quality in Florida

Water quality (EPA SDWIS) data for ZIP codes in Florida. Pick a ZIP below to dive into the water quality summary.

Last verified 2026-05-13 · methodology

What lands here

Pages show the CWS serving the address, any health-based violations in the last 3 years, most recent lead and copper sampling result, and a link to the primary SDWIS record.

Source & refresh

EPA SDWIS. Refreshed quarterly (federal mandate). Primary source →

Florida top concern

Hurricanes, sea-level rise, sinkholes

Florida has the most extensive FEMA NFHL coverage in the US — coastal AE/VE zones plus inland AE driven by storm-surge modeling. Citizens Property Insurance Corp absorbs much of the high-risk private-market shedding. Radon risk concentrates in central FL limestone karst counties; sinkholes are tracked by FDEP separately.

See Florida state page for the full state-level rollup across all 12 dimensions.

Read more on water quality

Editorial deep-dives explaining the source data, its limits, and how to read it.

26 Florida ZIPs