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