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Lake levels › Oklahoma › Lake Tenkiller

Lake Tenkiller water level today

624.97 ft above sea level (October 20, 2026 at 1:00 AM). Lake Tenkiller is falling slowly: down 0.10 ft in the past 7 days and down 1.16 ft over 30 days.

Level now624.97 ft
Past 24 hours±0.00 ft
Past 7 days−0.10 ft
Past 30 days−1.16 ft
vs 1 year ago−7.75 ft

Lake Tenkiller level over the last 12 months

624628633637642 Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Oct 26
Daily elevation in feet, last 12 months.

12-month low: 624.89 ft (October 16, 2026). High: 640.70 ft (June 28, 2026). Swing: 15.81 ft.

Daily Lake Tenkiller levels, last 30 days

DateElevation (ft)Change
Oct 20, 2026624.97±0.00 ft
Oct 19, 2026624.97−0.02 ft
Oct 18, 2026624.99+0.04 ft
Oct 17, 2026624.95+0.06 ft
Oct 16, 2026624.89−0.05 ft
Oct 15, 2026624.94−0.03 ft
Oct 14, 2026624.97−0.10 ft
Oct 13, 2026625.07−0.15 ft
Oct 12, 2026625.22−0.12 ft
Oct 11, 2026625.34−0.08 ft
Oct 10, 2026625.42−0.03 ft
Oct 9, 2026625.45−0.10 ft
Oct 8, 2026625.55−0.13 ft
Oct 7, 2026625.68−0.10 ft
Oct 6, 2026625.78−0.04 ft
Oct 5, 2026625.82−0.03 ft
Oct 4, 2026625.85+0.03 ft
Oct 3, 2026625.82+0.06 ft
Oct 2, 2026625.76−0.03 ft
Oct 1, 2026625.79±0.00 ft
Sep 30, 2026625.79−0.01 ft
Sep 29, 2026625.80−0.04 ft
Sep 28, 2026625.84−0.04 ft
Sep 27, 2026625.88+0.06 ft
Sep 26, 2026625.82+0.02 ft
Sep 25, 2026625.80+0.02 ft
Sep 24, 2026625.78−0.09 ft
Sep 23, 2026625.87+0.02 ft
Sep 22, 2026625.85−0.15 ft
Sep 21, 2026626.00−0.13 ft

Monthly average levels

MonthAverageLowHigh
Nov 2025632.33631.40633.27
Dec 2025629.96629.15631.08
Jan 2026627.61625.76629.07
Feb 2026625.39625.01625.76
Mar 2026630.27625.42632.41
Apr 2026633.46632.40636.42
May 2026633.54632.61636.43
Jun 2026637.03632.65640.70
Jul 2026634.68633.03639.65
Aug 2026630.63628.51632.93
Sep 2026626.59625.78628.31
Oct 2026 *625.36624.89625.85

* partial month or year.

Lake Tenkiller year by year

YearLowHighAverage
2026 *624.89 Oct 16640.70 Jun 28630.66
2025629.15 Dec 31640.29 Apr 22633.27
2024631.49 Oct 21634.90 May 8632.77
2023 *631.75 Oct 15634.00 Dec 27632.76

Lake Tenkiller on this date in past years

YearLevel on this dateToday vs then
2025632.72 ft−7.75 ft
2024631.54 ft−6.57 ft
2023631.87 ft−6.90 ft

Is Lake Tenkiller full?

U.S. Army Corps of Engineers does not publish a full-pool figure in this data feed, so compare today's 624.97 ft with the 12-month range above (624.89 to 640.70 ft) and with past years.

Is Lake Tenkiller rising or falling?

Lake Tenkiller is falling slowly: down 0.10 ft in the past 7 days and down 1.16 ft over 30 days. In the latest day it moved ±0.00 ft.

How does Lake Tenkiller compare with last year?

Compared with the same date last year, the lake is 7.75 ft lower. Two years ago on this date it stood at 631.54 ft.

Data source

U.S. Army Corps of Engineers (USACE CWMS Data API), gauge TENK.Elev.Inst.1Hour.0.Ccp-Rev; readings since Oct 15, 2023. Official source · how we collect it.

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