Tap and WellTreasure Valley water, from the public record

Antimony in Treasure Valley drinking water

2 of 39 systems that tested for it in the last 36 months detected it. Antimony is an inorganic contaminant. Certified filters are in the list.

SystemCounty36 mo maxLatestStatusLast sample
D and S Purple Sage RanchettesCanyon0.1ppbNDDetected2026-06-09
Mores Creek Rim Ranch Water DistrictBoise0.1ppb0.1ppbDetected2024-11-22

Limits

Federal limit (MCL)
0.006 mg/L (6.0ppb)
Health goal (MCLG)
6.0ppb
Some people who drink water containing antimony well in excess of the MCL over many years could experience increases in blood cholesterol and decreases in blood sugar.EPA, quoted.

Removal methods in the reference list: reverse osmosis. A method name is not a product certification.

Not enough groundwater samples in the region to estimate Antimony 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.