India · AS · CWC
Assam
Reservoirs
2
Total capacity
1.2 km³
Avg fill
9.8%
Critical
1
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Reservoirs
Sorted by capacityAbout reservoirs in Assam
As of June 4, 2026, the reservoirs we track across Assam that report live levels hold roughly 121 hm³ of water — about 9.8% of their combined capacity. Taken together, Assam's reservoirs are critically low.
Across the region, 1 reservoir is at critically low levels. Kopili HES — Umrong Dam is the fullest at 56.0%, while Khandong Dam is the lowest at 17.8%.
Over the most recent week on record, 1 reservoir rose and 1 reservoir fell across Assam.
Storage figures for Assam come from CWC; the most recent reading is from June 4, 2026. Each reservoir below links to its own page with full history and seasonal context.
Assam at a glance
- Reservoirs tracked
- 2
- Average fill
- 9.8%
- Water stored
- 121 hm³
- Combined capacity
- 1,232 hm³
- At critically low levels
- 1
- Fullest
- Kopili HES — Umrong Dam (56.0%)
- Lowest
- Khandong Dam (17.8%)
- Last updated
- June 4, 2026
Frequently asked questions
How full are reservoirs in Assam right now?
As of June 4, 2026, the reservoirs tracked in Assam that report live levels are 9.8% full overall, holding about 121 hm³ of water.
How many reservoirs are there in Assam?
reservoirs.earth tracks 2 reservoirs in Assam, with a combined storage capacity of 1,232 hm³.
Which reservoir in Assam is the fullest?
Kopili HES — Umrong Dam is currently the fullest reservoir in Assam, at 56.0% of capacity.
Which reservoir in Assam is the lowest?
Khandong Dam is currently the lowest in Assam, at 17.8% of capacity.
Where does the reservoir data for Assam come from?
All storage figures for Assam come from CWC, an official source, last updated June 4, 2026.