Is code for drinking water standards?
Is code for drinking water standards?
Arghyam has compiled a brief presentation which gives details of the permissible and desirable limits for various parameters in drinking water as per Bureau of Indian Standards (BIS) specifications for potable water (IS -10500: 2012).
What is BIS 10500?
BIS Standards Set for drinking water quality According to the Central Ground Water Board, BIS (IS_10500 and revised module IS 10500:2012) has specifications in Uniform Drinking Water Quality Monitoring Protocol. If any parameter exceeds the limit, the water is considered unfit for human consumption.
Does drinking water have a limit?
WHO has prescribed a provisional guideline value of As 10 μg/l in drinking water and according to India standard drinking water specification 1991, the highest desirable limit is 50 μg/l and no relaxation for maximum permissible level.
What is the permissible limit of total hardness in absence of alternative sources?
Water Quality Standards.
| S.No | Parameters | BIS 10500-2012 |
|---|---|---|
| Permissible Limit in the Absence of Alternate Source | ||
| 4 | pH | No relaxation |
| 5 | Alkalinity (as CaCO3) mg/L | 600 |
| 6 | Total hardness (as CaCO3) mg/L | 600 |
What is the actual TDS of drinking water?
What is the best TDS level for drinking water? Generally, the TDS level between 50-150 is considered as the most suitable and acceptable….TDS Level Chart for Drinking Water.
| TDS in Water (measured in PPM) | Suitability for Drinking Water |
|---|---|
| 150-250 | Good |
| 250-300 | Fair |
| 300-500 | Poor, not good for drinking |
| Above 1200 | Unacceptable |
What is the permissible limit of pH in absence of alternative source?
| Sl.No | Substance or Characteristic | Permissible Limit in the absence of Alternate source |
|---|---|---|
| 5. | pH Value | 6.5 to 8.5 |
| 6. | Total Hardness (as CaCo3) mg/lit.,Max | 300 |
| 7. | Iron (as Fe) mg/lit,Max | 0.3 |
| 8. | Chlorides (as Cl) mg/lit,Max. | 250 |
Who TDS guidelines for drinking water?
According to World Health Organization, TDS level less than 300 mg/litre is considered as excellent, between 300 and 600 mg/liter is good, 600-900 is fair, 900 — 1200 is poor and TDS level more than 1200 mg/liter is unacceptable.