Days of Water Left
Greater Mumbai · BMC's 7 lakesStorage divided by the current net draw. These lakes publish no inflow data, so rain scenarios can't be computed - the figure assumes no new inflows.
Upper-bound estimate: storage counts the full live water in the five state-owned dams, part of which serves users beyond BMC. Storage data: Maharashtra WRD Pravah portal→
Reservoir Status
Bhatsa
29.0%Upper Vaitarna
29.9%Middle Vaitarna
12.9%Modak Sagar
43.0%Tansa
20.2%Tulsi
BMC does not publish daily levels for this source.
Vihar
BMC does not publish daily levels for this source.
Groundwater
CGWB block exploitation, ward depth (interpolated), live WRIS station overlay.
Water bodies
OSM polygons, flagship tanks, restoration priority badges, lost-tank inventory.
About this dashboard
Methodology, data sources, water sources tracked, and the data gaps we're honest about.
Methodology: Reservoir levels for Mumbai from BMC. Daily consumption assumptions (~3850 MLD demand) are starting points; the sliders above let you substitute your own. See theAbout pagefor the full data-source index and methodology.