Tap and WellTreasure Valley water, from the public record

Cyanide in Garden City water

1 system serving Garden City detected Cyanide in the last 36 months. The federal MCL is 0.20ppm.

System36 mo maxLatestStatusLast sample
Veolia Water Idaho0.01ppmNDDetected2026-08-25
Some people who drink water containing cyanide well in excess of the MCL over many years could experience nerve damage or problems with their thyroid.EPA, quoted. This site does not paraphrase health guidance.

Cyanide 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.