Percy Priest Lake Water Level Today
Tennessee · near Donelson · Near full pool
- Elevation
- 489.78 ft
- From full pool
- −0.72 ft
- Percent of pool
- 93.1%
- 24-hour change
- −0.04 ft
- 7-day change
- −0.12 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Percy Priest Lake
Percy Priest Lake is 0.72 ft below full pool, at 489.78 ft, down 0.04 ft in the last 24 hours. That puts the lake at 93.1 percent of its conservation pool. The top of the flood pool is 14.7 ft higher, at 504.50 ft.
Over the last 7 days the level fell 0.12 ft, and over 30 days it fell 0.44 ft. In the 400 days of readings on this page the high was 491.83 ft on Aug 10, 2026 and the low was 482.73 ft on Dec 18, 2025, a range of 9.10 ft.
The reading is the U.S. Army Corps of Engineers gauge at J Percy Priest Dam, near Donelson, taken Sep 21, 2026 and referenced to the NGVD29 datum. This page is rebuilt once a day from the agency feed; it is not a live gauge, so during a fast rise or a scheduled release check the USACE page for hourly values.
Percy Priest Lake pool elevations
| Current elevation | 489.78 ft |
|---|---|
| Full pool (top of conservation) | 490.50 ft |
| Top of flood pool | 504.50 ft |
| Bottom of conservation pool | 480.00 ft |
| Top of dam | 518.00 ft |
| Inflow | 30 cfs |
| Outflow | 30 cfs |
| 30-day change | −0.44 ft |
| 1-year high | 491.83 ft (Aug 10, 2026) |
| 1-year low | 482.73 ft (Dec 18, 2025) |
| Vertical datum | NGVD29 |
| Operating agency | U.S. Army Corps of Engineers, LRN district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in Tennessee
- Dale Hollow Lake 641.09 ft, −9.91 ft from full
- Center Hill Lake 632.98 ft, −15.02 ft from full
- Cheatham Lake 385.93 ft, +0.93 ft from full
- Cordell Hull Lake 504.17 ft, −0.33 ft from full
- Old Hickory Lake 444.82 ft, −0.18 ft from full
Percy Priest Lake level questions
What is the water level of Percy Priest Lake today?
Percy Priest Lake is at 489.78 ft as of Sep 21, 2026, −0.72 ft relative to full pool (490.50 ft). The 24-hour change is −0.04 ft.
What is full pool at Percy Priest Lake?
Full pool, the top of the conservation pool, is 490.50 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 504.50 ft. The bottom of the conservation pool is 480.00 ft.
Is Percy Priest Lake rising or falling?
Over the last 24 hours the level is −0.04 ft; over 7 days it fell 0.12 ft, and over 30 days it fell 0.44 ft.
Where does this Percy Priest Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for J Percy Priest Dam. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.