State · United States · USGS · BOR · USACE · CDEC
Arkansas
96.7% average fill
Measured
2
Volume stored
3,346 hm³
Measured capacity
3,461 hm³
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Reservoirs
Sorted by capacityBlakely Mountain Dam
Updated 2026-06-11
Degray Lake
Updated 2026-06-11
Storage from official US gauges (USGS, USACE, Bureau of Reclamation, CDEC). Fill % uses design capacity from the National Inventory of Dams where available; a few sites without a match fall back to the 5-year maximum.
About reservoirs in Arkansas
As of June 11, 2026, the reservoirs we track across Arkansas that report live levels hold roughly 3,346 hm³ of water — about 96.7% of their combined capacity. Taken together, Arkansas's reservoirs are high.
None of the tracked reservoirs are currently at critically low levels. Blakely Mountain Dam is the fullest at 96.9%, while Degray Lake is the lowest at 96.0%.
Storage figures for Arkansas come from USGS · USACE · BOR · CDEC; the most recent reading is from June 11, 2026. Each reservoir below links to its own page with full history and seasonal context.
Arkansas at a glance
- Reservoirs tracked
- 2
- Average fill
- 96.7%
- Water stored
- 3,346 hm³
- Combined capacity
- 3,461 hm³
- Fullest
- Blakely Mountain Dam (96.9%)
- Lowest
- Degray Lake (96.0%)
- Last updated
- June 11, 2026
Frequently asked questions
How full are reservoirs in Arkansas right now?
As of June 11, 2026, the reservoirs tracked in Arkansas that report live levels are 96.7% full overall, holding about 3,346 hm³ of water.
How many reservoirs are there in Arkansas?
reservoirs.earth tracks 2 reservoirs in Arkansas, with a combined storage capacity of 3,461 hm³.
Which reservoir in Arkansas is the fullest?
Blakely Mountain Dam is currently the fullest reservoir in Arkansas, at 96.9% of capacity.
Which reservoir in Arkansas is the lowest?
Degray Lake is currently the lowest in Arkansas, at 96.0% of capacity.
Where does the reservoir data for Arkansas come from?
All storage figures for Arkansas come from USGS · USACE · BOR · CDEC, an official source, last updated June 11, 2026.