氨含量过高，新德里深陷水污染危机

Core Insights - Millions of residents in New Delhi are facing a water pollution crisis due to a sharp increase in ammonia levels in the Yamuna River, leading to the shutdown of six out of nine major water treatment plants in the capital [1][2] - Approximately 2 million people across 43 communities are experiencing varying degrees of water shortages, with many residents relying on stored or bottled water for daily needs [2][3] - The crisis is exacerbated by multiple factors, including reduced winter flow in the Yamuna River, ongoing canal maintenance, and a lack of specialized ammonia removal facilities at water treatment plants [2] Group 1 - The New Delhi water supply crisis has resulted in intermittent shortages affecting 2 million residents, with reports of water being yellow and foul-smelling [1][2] - Many residents have become reliant on stored water or bottled water, with bottled water increasingly viewed as a necessity in daily life [2] - The Yamuna River, which provides about 40% of New Delhi's water supply, is heavily polluted, with the city contributing approximately 76% of the river's pollution despite only 2% of its length flowing through the city [2] Group 2 - Local residents express concern that the water pollution crisis may become a regular occurrence, with municipal authorities failing to provide effective solutions [3]