Contaminant Guide

Total Dissolved Solids (TDS)
Recommended Maximum Level 500 mg/L
Potential Health Effects
(from ingestion of water)
Gastrointestinal irritation in some individuals
Potential Source of Contaminant Erosion of naturally occurring mineral deposits
Applicable NSF/ANSI Standard(s) Standard 42
Standard 58
Standard 62
Water Treatment Technologies Certified by NSF for Reduction of this Contaminant Distillation
Reverse Osmosis
Special Notes Products certified for reduction of total dissolved solids will also be effective for reduction of sodium.