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Water Quality Standards: TDS (Total Dissolved Solids)
EPA and WHO drinking water quality standards — MCLs, MCLGs, WHO guideline values, secondary standards, health effects, and treatment methods for regulated contaminants
| contaminant | EPA secondary standard mg per L (mg/L) | contaminant category | health effects | standard | treatment methods |
|---|---|---|---|---|---|
| TDS (Total Dissolved Solids) | 500 | secondary | Hardness; taste; corroded fixtures; stained laundry | EPA NSDWR | Reverse osmosis; electrodialysis; distillation |
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