State · United States · USGS · BOR · USACE · CDEC
Arkansas
94.5% average fill
Measured
1
Volume stored
2,507 hm³
Measured capacity
2,653 hm³
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Reservoirs
Sorted by capacityStorage 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 July 31, 2026, the reservoirs we track across Arkansas that report live levels hold roughly 2,507 hm³ of water — about 94.5% of their combined capacity. Taken together, Arkansas's reservoirs are high.
None of the tracked reservoirs are currently at critically low levels.
Storage figures for Arkansas come from USGS · USACE · BOR · CDEC; the most recent reading is from July 31, 2026. Each reservoir below links to its own page with full history and seasonal context.
Arkansas at a glance
- Reservoirs tracked
- 1
- Average fill
- 94.5%
- Water stored
- 2,507 hm³
- Combined capacity
- 2,653 hm³
- Fullest
- Blakely Mountain Dam (94.5%)
- Last updated
- July 31, 2026
Frequently asked questions
How full are reservoirs in Arkansas right now?
As of July 31, 2026, the reservoirs tracked in Arkansas that report live levels are 94.5% full overall, holding about 2,507 hm³ of water.
How many reservoirs are there in Arkansas?
reservoirs.earth tracks 1 reservoir in Arkansas, with a combined storage capacity of 2,653 hm³.
Which reservoir in Arkansas is the fullest?
Blakely Mountain Dam is currently the fullest reservoir in Arkansas, at 94.5% 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 July 31, 2026.