PFOS in Meridian water
1 system serving Meridian detected PFOS in the last 36 months. 1 is elevated. The federal MCL is 4.0ppt. At least one result is from EPA UCMR monitoring.
| System | 36 mo max | Latest | Status | Last sample |
|---|---|---|---|---|
| Meridian Water Department | 4.9ppt | ND | Elevated | 2025-12-09 |
Exposure to PFOS over many years may result in adverse health effects including developmental effects, some cancers, immune effects, and thyroid effects.EPA, quoted. This site does not paraphrase health guidance.
PFOS in Treasure Valley drinking water. Meridian water quality.
Numbers are the system's samples at its taps and wells, not yours. Lead and copper are 90th percentiles from sampled homes. Well pages are nearby-sample estimates. Health text restates EPA and DEQ. Methodology.