The 2024 blue drop results show an alarming increase in unsafe municipal drinking water, with 13% of blue drop tests across the country that point to unsafe drinking water. The drinking water of 28 towns and cities did not comply with standards for safe drinking water.

This study develops and computes a first-of-its-kind municipal index for evaluating the performance of Indian urban local bodies (ULBs) in used water management. ULBs, being the main authorities responsible for managing urban domestic used water, are the focus of the index.

The NCT of Delhi, being a densely populated region with a burgeoning urban landscape, faces unique challenges in maintaining the quality of its water resources. Recognizing the significance of the shallow aquifer, this report delves into a thorough analysis to provide a comprehensive understanding of the ground water quality in the region.

Delhi’s vital water source, the Yamuna river, is facing a severe pollution crisis due to untreated effluents, biomedical waste and illegal dumping of construction debris (malba), posing an imminent threat, according to a comprehensive report from the parliamentary standing committee on water resources.

This paper briefly synthesizes recent research illustrating how smartphones, sometimes in conjunction with other sensors, present a nexus point method for citizen scientists to engage with and use sophisticated modern technology for water quality monitoring.

India is a vast country with varied hydrogeological situations resulting from diversified geological, climatological and topographic settings. Water-bearing rock formations (aquifers), range in age from Archaean to Recent.

Sanitation and wastewater treatment are key elements for global human health and aquatic biodiversity. Scenarios showed an improvement of sanitation but unimproved sanitation will not disappear before 2070. Wastewater treatment will also improve but not in all regions of the world.

The Ministry of Environment, Forest and Climate Change (MoEFCC) has published the Water Purification System (Regulation of Use) Rules, 2023. The rules outline guidelines for the proper management, storage, and utilization of reject water and discarded elements generated by these systems.