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According to BIS the maximum permissible limit of dissolved solids in drinking water is
According to BIS the maximum permissible limit of dissolved solids in drinking water is
According to the Bureau of Indian Standards (BIS), the permissible limit for TDS in drinking water is 500 mg/L. However, the World Health Organization recommends a TDS level of less than 300 mg/L for drinking water. Minimum TDS of drinking water should not go below 50 ppm.