Tap and WellTreasure Valley water, from the public record

Gross Alpha in Garden City water

1 system serving Garden City detected Gross Alpha in the last 36 months. The federal MCL is 15.0pCi/L.

System36 mo maxLatestStatusLast sample
Veolia Water Idaho29.5pCi/L29.5pCi/LNot detected2026-07-28
Some people who drink water containing alpha emitters in excess of the MCL over many years may have an increased risk of getting cancer.EPA, quoted. This site does not paraphrase health guidance.

Gross Alpha 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.