Source document
Irvine Ranch Water District, CA 1996 Consumer Confidence Report
The original annual drinking-water report. Every number on the Irvine Ranch Water District, CA water quality page is pulled from this document.
The Irvine Ranch Water District, CA figures for 1996 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Irvine Ranch Water District, 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