Tenkiller Lake Water Level
Water level now
Below normal624.95ft
−7.05 ft vs normal pool (632.00) · −6.74 ft vs typical for Oct 18
Reading taken Oct 18, 2026, 7:00 AM CDT
Source: U.S. Army Corps of Engineers, Tulsa District (provisional data)
Level in feet above sea level (NGVD 29)
Daily levelNormal poolTypical for the date (2016 to last year)
Provisional data from USACE, as reported at Oct 18, 2026, 7:00 AM CDT. Readings can be delayed or wrong. Not for navigation, flood or safety decisions; follow local authorities and posted signs.
About Tenkiller Lake
Tenkiller Lake is 7.05 ft below normal pool, as of Oct 18, 2026, 7:00 AM CDT. The level on this page is reported by the U.S. Army Corps of Engineers, Tulsa District near Gore, OK, and compared with normal pool (the top of the conservation pool, 632.00 ft above sea level (NGVD 29)) and with the typical level for this date.
Since January 2016 the daily level has ranged from 623.26 ft (Jan 9, 2017) to 665.67 ft (Dec 31, 2015). The highest pool on record listed by the Corps of Engineers is 666.36 ft.
Over those years the lake has usually been highest in June and lowest in October; in the past 365 days it was at or above normal pool on 48% of days.
Tenkiller Lake by the numbers
| Normal pool (top of conservation) | 632.00 |
|---|---|
| Top of flood pool | 667.00 |
| Pool of record (USACE) | 666.36 |
| Highest since 2016 | 665.67 (Dec 31, 2015) |
| Lowest since 2016 | 623.26 (Jan 9, 2017) |
| Typical for Oct 18 | 631.69 |
| Oct 18, 2025 | 632.68 |
| Conservation storage now | 582,169 acre-ft |
Typical level by month
| Month | Median | vs normal | Low | High |
|---|---|---|---|---|
| January | 633.10 | +1.10 ft | 623.26 | 665.29 |
| February | 632.95 | +0.95 ft | 623.52 | 643.55 |
| March | 633.16 | +1.16 ft | 623.68 | 651.03 |
| April | 633.53 | +1.53 ft | 625.52 | 648.45 |
| May | 635.09 | +3.09 ft | 632.13 | 664.40 |
| June | 636.15 | +4.15 ft | 631.88 | 663.67 |
| July | 633.04 | +1.04 ft | 629.58 | 660.76 |
| August | 632.67 | +0.67 ft | 628.82 | 642.84 |
| September | 631.85 | −0.15 ft | 626.16 | 641.88 |
| October | 631.52 | −0.48 ft | 624.32 | 644.32 |
| November | 632.54 | +0.54 ft | 625.07 | 645.31 |
| December | 632.53 | +0.53 ft | 623.80 | 665.67 |
Highs and lows by year
| Year | High | Date | Low | Date |
|---|---|---|---|---|
| 2026 (so far) | 640.74 | Jun 29 | 624.92 | Oct 17 |
| 2025 | 640.48 | Apr 22 | 629.16 | Dec 31 |
| 2024 | 634.83 | May 9 | 631.49 | Oct 22 |
| 2023 | 635.24 | Mar 26 | 629.77 | Sep 21 |
| 2022 | 664.40 | May 8 | 624.32 | Oct 22 |
| 2021 | 647.75 | May 1 | 630.50 | Oct 2 |
| 2020 | 651.03 | Mar 25 | 632.43 | May 13 |
| 2019 | 663.67 | Jun 27 | 632.08 | Mar 11 |
| 2018 | 643.81 | Mar 1 | 625.06 | Jan 19 |
| 2017 | 662.70 | May 3 | 623.26 | Jan 9 |
| 2016 | 665.29 | Jan 1 | 623.80 | Dec 23 |
Weather at the dam, next 3 days
- Today: Sunny, wind 5 mph SE69°F
- Tonight: Mostly Clear, wind 0 to 5 mph SE49°F
- Monday: Sunny, wind 5 mph SE72°F
- Monday Night: Mostly Clear, wind 0 to 5 mph E53°F
- Tuesday: Sunny, wind 0 to 5 mph SE75°F
- Tuesday Night: Mostly Clear, wind 0 to 5 mph SE55°F
Forecast: National Weather Service, issued Oct 18, 2026, 7:50 AM CDT. Conditions on the water can change quickly.
Questions about Tenkiller Lake
- What is the normal pool level of Tenkiller Lake?
- 632.00 ft above sea level (NGVD 29). This is the top of the conservation pool as listed by the Corps of Engineers; water above it, up to the top of the flood pool at 667.00 ft, is flood storage that the Corps releases over time.
- Is Tenkiller Lake full right now?
- As of Oct 18, 2026, 7:00 AM CDT, the lake was 7.05 ft below normal pool.
- What is the lowest level Tenkiller Lake has reached recently?
- In our daily record since January 2016, the lowest was 623.26 ft on Jan 9, 2017, 8.74 ft below normal pool.
- How often is this page updated?
- We check the Corps of Engineers every hour and show each reading with its own time. If no new reading arrives for 6 hours, the page says so instead of showing an old value as current. See how we calculate.