All of the following are acceptable criteria for water quality except -
The dissolved oxygen content of water is influenced by the raw water temperature,composition,treatment and any chemical or biological processes taking place in the distribution system.No health based guideline value has been recommended (refer pgno:720 park 23rd edition)
Dissolved O2 of 5 mg\/L
Nitrates of 1 mg\/L
Nitrites of 1-2 mg\/L
Free & saline NH3 of 0.05 mg\/L
Environment and health