Physico-Chemical Characteristics of Raw and Treated Water at Water Treatment Plants (WTP) in Delhi - Part II (2006) | |||||||||
Parameters | BIS Drinking Water Standards, Limit 1991 | Min./ Max. | Wazirabad WTP | Haiderpur WTP | Bhagirathi WTP | ||||
Raw | Treated | Raw | Treated | Raw | Raw | Treated | |||
PH | |||||||||
Permissible-No. Relaxation | |||||||||
Total Dissolved Solids (mg/l) | |||||||||
Total Alkalinity (mg/l) | |||||||||
Total Hardness (mg/l) | |||||||||
Chloride (mg/l) | |||||||||
Fluoride (mg/l) | |||||||||
Boron (mg/l) | |||||||||
Nitrate (mg/l) | |||||||||