As of July 30, 2026, the reservoirs we track across Tamil Nadu that report live levels hold roughly 1,556 hm³ of water — about 32.0% of their combined capacity. Taken together, Tamil Nadu's reservoirs are low.

Across the region, 8 reservoirs are at critically low levels and 11 are low. Kelavarapalli is the fullest at 83.4%, while Manimukthanadhi is the lowest at 0.0%.

Over the most recent week on record, 4 reservoirs fell across Tamil Nadu.

Storage figures for Tamil Nadu come from CWC; the most recent reading is from July 30, 2026. Each reservoir below links to its own page with full history and seasonal context.

Tamil Nadu at a glance

Reservoirs tracked: 32
Average fill: 32.0%
Water stored: 1,556 hm³
Combined capacity: 5,060 hm³
At critically low levels: 8
Fullest: Kelavarapalli (83.4%)
Lowest: Manimukthanadhi (0.0%)
Last updated: July 30, 2026

Frequently asked questions

How full are reservoirs in Tamil Nadu right now?

As of July 30, 2026, the reservoirs tracked in Tamil Nadu that report live levels are 32.0% full overall, holding about 1,556 hm³ of water.

How many reservoirs are there in Tamil Nadu?

reservoirs.earth tracks 32 reservoirs in Tamil Nadu, with a combined storage capacity of 5,060 hm³.

Which reservoir in Tamil Nadu is the fullest?

Kelavarapalli is currently the fullest reservoir in Tamil Nadu, at 83.4% of capacity.

Which reservoir in Tamil Nadu is the lowest?

Manimukthanadhi is currently the lowest in Tamil Nadu, at 0.0% of capacity.

Where does the reservoir data for Tamil Nadu come from?

All storage figures for Tamil Nadu come from CWC, an official source, last updated July 30, 2026.

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