Keystone Lake Water Level
Water level now
Below normal722.70ft
−0.30 ft vs normal pool (723.00) · −2.17 ft vs typical for Oct 18
Reading taken Oct 18, 2026, 8:00 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, 8:00 AM CDT. Readings can be delayed or wrong. Not for navigation, flood or safety decisions; follow local authorities and posted signs.
About Keystone Lake
Keystone Lake is 0.30 ft below normal pool, as of Oct 18, 2026, 8:00 AM CDT. The level on this page is reported by the U.S. Army Corps of Engineers, Tulsa District near Sand Springs, OK, and compared with normal pool (the top of the conservation pool, 723.00 ft above sea level (NGVD 29)) and with the typical level for this date.
Since January 2016 the daily level has ranged from 717.60 ft (Nov 22, 2022) to 757.18 ft (May 28, 2019). The highest pool on record listed by the Corps of Engineers is 757.20 ft.
Over those years the lake has usually been highest in June and lowest in February; in the past 365 days it was at or above normal pool on 79% of days.
Keystone Lake by the numbers
| Normal pool (top of conservation) | 723.00 |
|---|---|
| Top of flood pool | 754.00 |
| Pool of record (USACE) | 757.20 |
| Highest since 2016 | 757.18 (May 28, 2019) |
| Lowest since 2016 | 717.60 (Nov 22, 2022) |
| Typical for Oct 18 | 724.87 |
| Oct 18, 2025 | 725.54 |
| Conservation storage now | 396,199 acre-ft |
Typical level by month
| Month | Median | vs normal | Low | High |
|---|---|---|---|---|
| January | 723.45 | +0.45 ft | 719.04 | 737.09 |
| February | 723.03 | +0.03 ft | 719.10 | 728.74 |
| March | 723.60 | +0.60 ft | 720.86 | 736.88 |
| April | 724.36 | +1.36 ft | 721.96 | 737.06 |
| May | 726.84 | +3.84 ft | 722.76 | 757.18 |
| June | 728.48 | +5.48 ft | 723.31 | 754.08 |
| July | 726.58 | +3.58 ft | 722.85 | 750.75 |
| August | 725.28 | +2.28 ft | 721.88 | 733.85 |
| September | 723.91 | +0.91 ft | 720.15 | 732.26 |
| October | 723.83 | +0.83 ft | 718.02 | 738.53 |
| November | 723.76 | +0.76 ft | 717.60 | 729.12 |
| December | 723.35 | +0.35 ft | 718.09 | 735.50 |
Highs and lows by year
| Year | High | Date | Low | Date |
|---|---|---|---|---|
| 2026 (so far) | 740.88 | Jul 1 | 720.27 | Oct 13 |
| 2025 | 749.97 | Jun 21 | 721.01 | Jan 14 |
| 2024 | 730.96 | May 10 | 718.51 | Oct 18 |
| 2023 | 729.31 | Jul 17 | 719.35 | Feb 3 |
| 2022 | 737.92 | May 26 | 717.60 | Nov 22 |
| 2021 | 737.09 | Jul 4 | 719.10 | Feb 17 |
| 2020 | 736.88 | Mar 27 | 721.91 | Oct 27 |
| 2019 | 757.18 | May 28 | 722.69 | Mar 15 |
| 2018 | 738.53 | Oct 15 | 719.04 | Jan 9 |
| 2017 | 749.60 | May 7 | 719.08 | Jan 18 |
| 2016 | 737.09 | Jan 4 | 720.34 | Dec 20 |
Weather at the dam, next 3 days
- Today: Sunny, wind 0 to 10 mph S68°F
- Tonight: Mostly Clear, wind 0 to 5 mph S45°F
- Monday: Sunny, wind 0 to 5 mph SE72°F
- Monday Night: Mostly Clear, wind 0 to 5 mph SE48°F
- Tuesday: Mostly Sunny, wind 0 to 5 mph SE75°F
- Tuesday Night: Mostly Clear, wind 0 to 5 mph SE53°F
Forecast: National Weather Service, issued Oct 18, 2026, 7:50 AM CDT. Conditions on the water can change quickly.
Questions about Keystone Lake
- What is the normal pool level of Keystone Lake?
- 723.00 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 754.00 ft, is flood storage that the Corps releases over time.
- Is Keystone Lake full right now?
- As of Oct 18, 2026, 8:00 AM CDT, the lake was 0.30 ft below normal pool.
- What is the lowest level Keystone Lake has reached recently?
- In our daily record since January 2016, the lowest was 717.60 ft on Nov 22, 2022, 5.40 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.