15/05/2026
What is the safe TDS result for Purified Drinking Water?
A safe Total Dissolved Solids (TDS) level for purified drinking water is generally between 50 and 300 ppm (parts per million), with 100-150 ppm considered optimal for taste and mineral balance. While water below 50 ppm is considered very pure, levels above 500 ppm are generally not recommended for long-term consumption.
Ideal TDS Ranges< 50 ppm: Very pure (e.g., RO/distilled), but may taste flat.
50-150 ppm (Excellent): Ideal range, good balance of minerals and taste.
150-300 ppm (Good): Suitable for daily consumption, typical for good filtered water.
300-500 ppm (Acceptable): Safe but may taste slightly mineral-heavy.>
500 ppm (Unsafe/Not Recommended): High mineral concentration; often tastes salty.