State · United States · USGS · BOR · USACE · CDEC
Tennessee
87% average fill
Measured
6
Volume stored
4,147 hm³
Measured capacity
4,766 hm³
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Reservoirs
Sorted by capacityCenter Hill Dam
Updated 2026-09-17
Dale Hollow Dam
Updated 2026-09-17
J Percy Priest Dam
Updated 2026-09-17
Old Hickory Lock and Dam
Updated 2026-09-17
Cordell Hull Lock and Dam
Updated 2026-09-17
Cheatham Dam
Updated 2026-09-17
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 Tennessee
As of September 17, 2026, the reservoirs we track across Tennessee that report live levels hold roughly 4,147 hm³ of water — about 87.0% of their combined capacity. Taken together, Tennessee's reservoirs are high.
None of the tracked reservoirs are currently at critically low levels. Cheatham Dam is the fullest at 105.0%, while Center Hill Dam is the lowest at 80.9%.
Over the most recent week on record, 2 reservoirs rose across Tennessee.
Storage figures for Tennessee come from USGS · USACE · BOR · CDEC; the most recent reading is from September 17, 2026. Each reservoir below links to its own page with full history and seasonal context.
Tennessee at a glance
- Reservoirs tracked
- 6
- Average fill
- 87.0%
- Water stored
- 4,147 hm³
- Combined capacity
- 4,766 hm³
- Fullest
- Cheatham Dam (105.0%)
- Lowest
- Center Hill Dam (80.9%)
- Last updated
- September 17, 2026