Source document
Hughson, City of, CA 2019 Consumer Confidence Report
The original annual drinking-water report. Every number on the Hughson, City of, CA water quality page is pulled from this document.
The Hughson, City of, CA figures for 2019 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Hughson, City of, CA water quality page is transcribed from that public dataset, and you can verify it against the same source below.
View the source dataset ↗https://echo.epa.gov/tools/data-downloads/sdwa-download-summary