Delhi is grappling with severe water shortage due to alarmingly high ammonia contamination in the Yamuna river, primarily attributed to industrial waste from Haryana, AAP alleged on Sunday. With the water treatment plants (WTPs) at Sonia Vihar and Bhagirathi struggling to cope with the ammonia content in the Yamuna's raw water, supply in the national capital is being disrupted, it said. The Delhi Jal Board on Sunday announced water shortage till November 1 in several parts of the national capital due to the Yamuna's high ammonia content. "The raw water source of Delhi's 110 MGD (million gallons per day) Bhagirathi WTP and 140 MGD Sonia Vihar WTP is the Upper Ganga Canal, Muradnagar, Uttar Pradesh. Due to scheduled annual maintenance across the Upper Ganga Canal by the Uttar Pradesh irrigation department from October 12 to 31, the canal was closed from Haridwar on October 12 midnight," it said. The WTPs are now dependent on the Yamuna as an alternative source of raw water till Octob