India, Sept. 6 -- The Delhi Jal Board (DJB) said on Friday water supply in several parts of Delhi has been disrupted after the Wazirabad Water Treatment Plant (WTP) reduced production by 20 per cent due to increased turbidity and silt in the Yamuna River. One of its biggest plants, the Wazirabad WTP, has an overall capacity of producing 138 million gallons per day (MGD) of water. The production, however, has been reduced. "We reduce the water production due to high amounts of silt and turbidity in the river, which is our raw water source, which is further treated in the plants. The Wazirabad plant is functioning at 20 per cent reduced capacity, but we hope to improve on that and bring the plant to full capacity in the next few hours," the o...