Grand Lake lake and shoreline

Grand Lake Water Level

Officially Grand Lake O' the Cherokees

Oklahoma

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Grand Lake

Grand Lake is currently 0.1 feet above full pool, with a water-surface elevation of 742.1 feet.

742.15 ft · Updated 3 hours ago · NOAA / National Weather Service — Advanced Hydrologic Prediction Service

Current level

742.15ft

+0.15 ft vs full pool

Normal

Vs full pool

Since last reading

Down 0.12 ft

Previous readingSep 23742.39 ft

7-day change

Down 0.45 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Down 0.68 ft

31 daily readings in the last 30 days

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Water Level History

Current
742.15 ft
24h
-0.12 ft
7d
-0.45 ft
30d
-0.68 ft

Elevation (ft) Pensacola Datum (PD) · Pensacola Datum (PD)

Reference line is designed full pool.

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Lake Level Context

Level remains above the full pool

Grand Lake is currently 742.15 ft, 0.15 ft above its full pool. The lake has fallen 0.45 ft over the past 7 days and 0.68 ft over the past 30 days.

Grand Lake Level Details

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

Conditions & Reference

Level status

0.15 ft above full pool

Current level
742.15 ft
Full pool
742 ft
DatumVertical reference for published pool and stage elevations at this lake (from the lake catalog).
Pensacola Datum (PD)
Elevation reference
Pensacola Datum (PD)
Source
NOAA / NWS

Reference levels

  • Full pool742 ft
  • Flood stage755 ft

Watershed drought

Extreme Drought

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

Severity

NoneExtreme
Trend
Stable

Watershed drought conditions

Delaware County, OK

Extreme Drought

Extreme Drought. Extreme drought conditions are present.. Trend: Stable compared with last week. Official drought yes

Severity

NoneExtreme

Weekly trend

Stable

Compared with last week

Official drought

Yes

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

Expected impacts

  • Significantly reduced stream inflows
  • Lake levels may fall quickly without heavy rain
  • Dry vegetation and elevated wildfire risk
  • Water use restrictions may apply nearby

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

Daily level summary

DateLevelChange
Sep 24, 2026742.27-0.12
Sep 23, 2026742.39-0.1
Sep 22, 2026742.49-0.05
Sep 21, 2026742.54-0.05
Sep 20, 2026742.59+0.02
Sep 19, 2026742.57-0.07
Sep 18, 2026742.64-0.08

Common questions about Grand Lake’s water level

  • The current water level at Grand Lake is 742.15 ft (updated 3 hours ago). You can track the Grand Lake lake level on the interactive chart and daily history above.

  • Full pool for Grand Lake is 742 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Grand Lake lake level is falling — falling about 0.45 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Grand Lake is currently 0.15 ft above full pool.

Lake level glossary

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

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