ANNOUNCEMENTS
Water quality of river Yamuna in Delhi is on constant decline due to rapid urbanization, population growth and lacking sanitary facilities. Several large and industrial cities like Yamuna nagar, Sonepat, Panipat, Agra are situated on the river banks of Yamuna. The industries in these cities include the tanning, textile; food processing and pesticide units which discharge partially treated or untreated waste directly into the river. This shows haw rapid industrialization and lack of proper treatment facilities can choke a river to death. The percentage of utilization of sewerage treatment plant in Delhi as on 31st March 2016 was 74 per cent (economic survey of Delhi 2017-18). This shows that a considerable amount of untreated sewage finds its way to Yamuna River using various drains. Water quality of same river in rural area of Auraiya district in Uttar Pradesh shows much improvement and this shows how human interactions affect the quality of water .The lack of proper space and planning in urbanized cities have made the condition worse for the river Yamuna in Delhi and it comes in the E category of usage making is unfit for usage. To identify the possible sources of contamination and water usage pattern the study included over viewing the existing water and sanitation facilities, differences in water demands and irrigation facilities in both the sites, Delhi and Auraiya. The water quality comparative analysis directly shows the impacts of urbanization on the river .Overview of the water sanitation facilities indicated the determining water quality which specifically displayed incidence of heavy Total coliform contamination in Delhi. Other indictors like chlorine, Sulfate, Total dissolved solids and suspended solids were also found to be exceeding the BIS standards .Other issues included high BOD levels and low DO level. The study also included review of work done under Yamuna action plan in the last 20 years and its final impacts on the water quality of river Yamuna and reasons of its failure.
