Tap and WellTreasure Valley water, from the public record

Atrazine in Treasure Valley drinking water

2 of 134 systems that tested for it in the last 36 months detected it. Atrazine is an organic chemical. Certified filters are in the list.

SystemCounty36 mo maxLatestStatusLast sample
Veolia Water IdahoAda0.2ppbNDDetected2026-07-28
Meridian Water DepartmentAda0.2ppbNDDetected2026-07-29

Limits

Federal limit (MCL)
3 ug/L (3.0ppb)
Health goal (MCLG)
3.0ppb
Some people who drink water containing atrazine well in excess of the MCL over many years could experience problems with their cardiovascular system or reproductive difficulties.EPA, quoted.

Removal methods in the reference list: granular activated carbon. A method name is not a product certification.

By city: Atrazine in Boise City drinking water, Atrazine in Garden City drinking water, Atrazine in Meridian drinking water.

Not enough groundwater samples in the region to estimate Atrazine in private wells. A lab test is the only way to know.

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.