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Karnataka

Reservoirs

18

Total capacity

20.1 km³

Avg fill

63.2%

Low level

4

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Reservoirs

Sorted by capacity

About reservoirs in Karnataka

As of October 29, 2026, the reservoirs we track across Karnataka that report live levels hold roughly 12,728 hm³ of water — about 63.2% of their combined capacity. Taken together, Karnataka's reservoirs are within their normal operating range.

Across the region, 4 are low. Hidkal Dam / Ghataprabha Reservoir is the fullest at 94.7%, while Tattihalla is the lowest at 21.8%.

Over the most recent week on record, 4 reservoirs rose and 8 reservoirs fell across Karnataka.

Storage figures for Karnataka come from CWC; the most recent reading is from October 29, 2026. Each reservoir below links to its own page with full history and seasonal context.

Karnataka at a glance

Reservoirs tracked
18
Average fill
63.2%
Water stored
12,728 hm³
Combined capacity
20,131 hm³
Fullest
Hidkal Dam / Ghataprabha Reservoir (94.7%)
Lowest
Tattihalla (21.8%)
Last updated
October 29, 2026
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