Tap and WellTreasure Valley water, from the public record

PFHxS in Garden City water

2 systems serving Garden City detected PFHxS in the last 36 months. 1 exceeded a federal limit. 1 is elevated. The federal MCL is 10.0ppt. At least one result is from EPA UCMR monitoring.

System36 mo maxLatestStatusLast sample
Garden City Water and Sewer System25.4pptNDAbove limit2026-06-16
Veolia Water Idaho7.2ppt2.9pptElevated2026-03-10
EPA set an MCL of 10 ppt for PFHxS in 2024 based on liver, thyroid and immune effects.Agency language as recorded in the contaminant reference. This site does not paraphrase health guidance.

PFHxS in Treasure Valley drinking water. Garden City 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.