This is the final report on the sewerage master plan for Delhi 2031 (SMP 2031) released by Delhi Jal Board in collaboration with AECOM-WAPCOS team. Says that SMP 2031 shall ensure extension of sewerage facilities in the unplanned areas by integrating with existing network and sewerage infrastructure.

Water quality deterioration in distribution systems, mainly caused by inappropriate planning, design and construction or inadequate operation and maintenance and water quality control, has been linked to a significant proportion of the burden of waterborne and water-related illness.

Ministry of Drinking Water & Sanitation has intimated that as per the information entered by the States on the online Integrated Management Information System (IMIS) of the Ministry, out of a total of about 16,90,870 rural habitations in the country, there are about 84,294 habitations which are quality affected i.e affected by some form of c

In March 2011, the Ministry of Drinking Water and Sanitation as part of its mandate to provide technical assistance to states released the Operation and Maintenance Manual to help states to operate, maintain drinking water supply scheme.