The Water Map

Source document

Mit Haystack Observatory, MA 2023 Consumer Confidence Report

The original annual drinking-water report. Every number on the Mit Haystack Observatory, MA water quality page is pulled from this document.

The Mit Haystack Observatory, MA figures for 2023 come from EPA's national Safe Drinking Water database (SDWIS / ECHO) — not a single utility-published PDF. Every value on the Mit Haystack Observatory, MA 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