The problem of high ammonical nitrogen concentration in the Yamuna during winter is not new. Between December and March each year, treatment plants have to be either shut down or work at reduced capacity several times as the system can handle ammonia only up to 1 part per million (ppm).
Three WTPs at Okhla, Wazirabad and Chandrawal were inundated by Yamuna waters on Thursday when the river rose to historic high levels | Latest News Delhi
In North Delhi’s Model Town, which receives water from the Wazirabad plant, Sanjay Gupta, General Secretary of Model Town Residents’ Society, claimed that the locality has not received water in two days and that the situation is dire.
“Water to treatment plant goes from the Wazirabad pond. Now that there is flooding, we have had to shut all three. The plants functioned till 8 am but after that, it was impossible to keep them open,” said DJB vice-chairperson Somnath Bharti.