Ft. Supply Lake Water Level Today
Oklahoma · near Fort Supply, OK · Near full pool
- Elevation
- 2,002.87 ft
- From full pool
- −1.13 ft
- Percent of pool
- 91.9%
- 24-hour change
- −0.01 ft
- 7-day change
- −0.11 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Ft. Supply Lake
Ft. Supply Lake is 1.13 ft below full pool, at 2,002.87 ft, down 0.01 ft in the last 24 hours. That puts the lake at 91.9 percent of its conservation pool. The top of the flood pool is 25.1 ft higher, at 2,028.00 ft.
Over the last 7 days the level fell 0.11 ft, and over 30 days it fell 0.64 ft. In the 400 days of readings on this page the high was 2,004.87 ft on Mar 10, 2026 and the low was 2,002.87 ft on Sep 21, 2026, a range of 2.00 ft.
The reading is the U.S. Army Corps of Engineers gauge, near Fort Supply, OK, 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.
Ft. Supply Lake pool elevations
| Current elevation | 2,002.87 ft |
|---|---|
| Full pool (top of conservation) | 2,004.00 ft |
| Top of flood pool | 2,028.00 ft |
| Bottom of conservation pool | 1,990.00 ft |
| Top of dam | 2,059.50 ft |
| Inflow | 0 cfs |
| Outflow | 0 cfs |
| 30-day change | −0.64 ft |
| 1-year high | 2,004.87 ft (Mar 10, 2026) |
| 1-year low | 2,002.87 ft (Sep 21, 2026) |
| Vertical datum | NGVD29 |
| Operating agency | U.S. Army Corps of Engineers, SWT district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in Oklahoma
- Eufaula Lake 581.25 ft, −3.75 ft from full
- Broken Bow Lake 593.45 ft, −9.05 ft from full
- Keystone Lake 721.54 ft, −1.46 ft from full
- Lake Tenkiller 626.15 ft, −5.85 ft from full
- Oologah Lake 640.56 ft, +2.56 ft from full
- Lake Hudson 620.35 ft, +1.35 ft from full
Ft. Supply Lake level questions
What is the water level of Ft. Supply Lake today?
Ft. Supply Lake is at 2,002.87 ft as of Sep 21, 2026, −1.13 ft relative to full pool (2,004.00 ft). The 24-hour change is −0.01 ft.
What is full pool at Ft. Supply Lake?
Full pool, the top of the conservation pool, is 2,004.00 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 2,028.00 ft. The bottom of the conservation pool is 1,990.00 ft.
Is Ft. Supply Lake rising or falling?
Over the last 24 hours the level is −0.01 ft; over 7 days it fell 0.11 ft, and over 30 days it fell 0.64 ft.
Where does this Ft. Supply Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Ft. Supply Lake. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.