Lake Tenkiller lake and shoreline

Lake Tenkiller Water Level

Oklahoma

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Lake Tenkiller

Lake Tenkiller is currently 6.2 feet below full pool, with a water-surface elevation of 625.8 feet.

625.80 ft · Updated 5 hours ago · U.S. Army Corps of Engineers

Current level

625.8ft

−6.20 ft vs full pool

Low

Vs full pool

Since last reading

Down 0.08 ft

Previous readingSep 23625.87 ft

7-day change

Down 0.78 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Down 3.64 ft

31 daily readings in the last 30 days

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Water Level History

Current
625.80 ft
24h
-0.08 ft
7d
-0.78 ft
30d
-3.64 ft

Elevation (ft) NGVD29 · MSL

Reference line is designed full pool.

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Lake Level Context

Level remains below the full pool

Lake Tenkiller is currently 625.80 ft, 6.20 ft below its full pool. The lake has fallen 0.78 ft over the past 7 days and 3.64 ft over the past 30 days.

Lake Tenkiller Level Details

Reference elevations, recent daily readings, data sources, and answers to common questions.

Conditions & Reference

Level status

6.2 ft below full pool

Current level
625.8 ft
Full pool
632 ft
DatumElevation referenced to National Geodetic Vertical Datum of 1929.
NGVD29
Elevation reference
MSL
Source
USACE

Reference levels

  • Full pool632 ft
  • Flood stage667 ft

Watershed drought

Severe Drought

100% of watershed in official drought (D1+).

Severity

NoneExtreme
Trend
Worsening

Watershed drought conditions

Cherokee County, OK

Severe Drought

Severe Drought. Severe drought conditions are present.. Trend: Worsening compared with last week. Official drought yes

Severity

NoneExtreme

Weekly trend

Worsening

Compared with last week

Official drought

Yes

100% of the watershed is currently classified as official drought (D1+).

Expected impacts

  • Lower stream inflows
  • Lake levels may decline faster
  • Vegetation is becoming drier
  • Minor increase in wildfire risk

U.S. Drought Monitor · map date Sep 22, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Cherokee County, OK

Daily level summary

DateLevelChange
Sep 24, 2026625.79-0.08
Sep 23, 2026625.87+0.01
Sep 22, 2026625.86-0.12
Sep 21, 2026625.98-0.12
Sep 20, 2026626.1-0.16
Sep 19, 2026626.26-0.15
Sep 18, 2026626.41-0.16

Common questions about Lake Tenkiller’s water level

  • The current water level at Lake Tenkiller is 625.8 ft (updated 5 hours ago). You can track the Lake Tenkiller lake level on the interactive chart and daily history above.

  • Full pool for Lake Tenkiller is 632 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Lake Tenkiller lake level is falling — falling about 0.78 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Lake Tenkiller is currently 6.20 ft below full pool.

Lake level glossary

Definitions for pool targets, datums, and how elevation readings are labeled.

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