Source document
Deer Lake Haven Inc, WA 2023 Consumer Confidence Report
The original annual drinking-water report. Every number on the Deer Lake Haven Inc, WA water quality page is pulled from this document.
The Deer Lake Haven Inc, WA figures for 2023 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Deer Lake Haven Inc, WA 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