Source document
Thompson Heights Water System, TX 1997 Consumer Confidence Report
The original annual drinking-water report. Every number on the Thompson Heights Water System, TX water quality page is pulled from this document.
The Thompson Heights Water System, TX figures for 1997 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Thompson Heights Water System, 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