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Water Quality Standards: Iron
EPA and WHO drinking water quality standards — MCLs, MCLGs, WHO guideline values, secondary standards, health effects, and treatment methods for regulated contaminants
| contaminant | CAS number | EPA secondary standard mg per L (mg/L) | contaminant category | health effects | standard | treatment methods |
|---|---|---|---|---|---|---|
| Iron | 7439-89-6 | 0.3 | secondary | Bitter metallic taste; staining of laundry | EPA NSDWR | Ion exchange; green sand filtration; aeration |
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