Tap and WellTreasure Valley water, from the public record

HFPO-DA (GenX) in Meridian water

2 systems serving Meridian detected HFPO-DA (GenX) in the last 36 months. 2 are elevated. The federal MCL is 10.0ppt. At least one result is from EPA UCMR monitoring.

System36 mo maxLatestStatusLast sample
Veolia Water Idaho6.8pptNDElevated2026-03-10
Meridian Water Department1.3pptNDElevated2026-06-02
EPA set an MCL of 10 ppt for HFPO-DA in 2024.Agency language as recorded in the contaminant reference. This site does not paraphrase health guidance.

HFPO-DA (GenX) 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.