Tap and WellTreasure Valley water, from the public record

Manganese in Meridian water

1 system serving Meridian detected Manganese in the last 36 months. 1 is an aesthetic issue.

System36 mo maxLatestStatusLast sample
Veolia Water Idaho537.0ppb432.0ppbAesthetic issue2026-08-25
Manganese is a secondary standard at 0.05 mg/L for black staining and taste. EPA has a lifetime health advisory of 0.3 mg/L; infants are more sensitive.Agency language as recorded in the contaminant reference. This site does not paraphrase health guidance.

Manganese in Treasure Valley drinking water. Meridian 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.