Manganese in Boise water
3 systems serving Boise City detected Manganese in the last 36 months. 3 are an aesthetic issue.
| System | 36 mo max | Latest | Status | Last sample |
|---|---|---|---|---|
| Veolia Water Idaho | 537.0ppb | 432.0ppb | Aesthetic issue | 2026-08-25 |
| Garden City Water and Sewer System | 247.0ppb | 233.0ppb | Aesthetic issue | 2026-01-15 |
| Hillsdale Estates Homeowners Association | 212.0ppb | 212.0ppb | Aesthetic issue | 2025-11-06 |
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. Boise 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.