New Delhi: Delhi Pollution Control Committee (DPCC) data on Yamuna water quality for July shows a decrease in faecal coliform levels at several points along the river as compared to the previous month, indicating a declined amount of untreated sewage in the river. These locations are Palla, Wazirabad, ISBT bridge, ITO bridge, Nizamuddin bridge, Okhla barrage and Asgarpur in Kidwali, Haryana. While only one point showed slight deterioration in faecal coliform levels since June, other four points showed considerable improvement, and two points showed no change. The June report showed slight deterioration at Nizamudin Bridge, as levels of faecal coliform remained as high as 130,000 Most Probable Number per 100 millilitres (MPN/100 ml), as compared to 120,000 MPN/100 ml in June. The river showed improvement at Asgarpur, where levels of faecal coliform remained at 320,000 (MPN/100 ml) in July, an improvement from 390,000 in June.