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Karnataka

Reservoirs

18

Total capacity

20.1 km³

Avg fill

88.6%

Low level

1

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Reservoirs

Sorted by capacity

About reservoirs in Karnataka

As of September 16, 2026, the reservoirs we track across Karnataka that report live levels hold roughly 17,829 hm³ of water — about 88.6% of their combined capacity. Taken together, Karnataka's reservoirs are high.

Across the region, 1 is low. Hidkal Dam / Ghataprabha Reservoir is the fullest at 94.9%, while Tattihalla is the lowest at 21.3%.

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

Storage figures for Karnataka come from CWC; the most recent reading is from September 16, 2026. Each reservoir below links to its own page with full history and seasonal context.

Karnataka at a glance

Reservoirs tracked
18
Average fill
88.6%
Water stored
17,829 hm³
Combined capacity
20,131 hm³
Fullest
Hidkal Dam / Ghataprabha Reservoir (94.9%)
Lowest
Tattihalla (21.3%)
Last updated
September 16, 2026
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