Water production at the plant has been reduced due to "high growth of algae" in the Yamuna river, it said in a statement.
Drinking water supply will remain affected in parts of Delhi from May 6 to May 8 due to an alarming dip in raw water supply through the Yamuna, the Delhi Jal Board said.
The water supply in the national capital will be affected on March 8-9, the Delhi Jal Board said on Sunday.
The DJB's Sonia Vihar and Bhagirathi Water Treatment Plants are working at reduced capacity. This could affect water supply in parts of South, East and North East Delhi.
Water supply will be affected in parts of Delhi due to an "abnormal" increase in ammonia levels in raw water discharged into the Yamuna by Haryana, Delhi Jal Board vice-chairman Raghav Chadha said on Thursday.
He said that in the capital cities of developed nations, water is available round-the-clock with proper pressure and there is no need for a submersible pump.
Addressing the issue of scarcity of water in Delhi, Health Minister Satyendar Jain said that the water supply in Delhi has decreased by 25% and the efficiency of water treatment plants has been slightly reduced so that the ammonia in water can be tr