Oologah Lake

Officially Oologah Lake (Oologah Dam)

Oklahoma

Oologah Lake is managed by U.S. Army Corps of Engineers. Lake Insights displays its latest available elevation from NOAA / National Weather Service — Advanced Hydrologic Prediction Service. Published reference elevations are listed below.

Lake Status

2.71 feet above full pool

+2.71 ft vs full pool

7-day trend
Rising
7-day change
Up 0.06 ft
30-day change
Down 0.65 ft
Last updated
1 hour ago

Oologah Lake is currently 2.71 feet above full pool and has risen slightly over the past week. The lake is above full pool and has continued to rise over the past week.

Watershed drought conditions

Rogers County, OK · surrounding county from lake location

Severe Drought

Severe drought conditions are present.

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 8, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Rogers County, OK

Key Facts

Waterbody / project type

Reservoir

Official purposes

Flood Risk Reduction · Other · Recreation · Water SupplySource: National Inventory of Dams

Full pool

638.00 ft

Flood stage

661.00 ft

Datum

NGVD29 · MSL

Current-level source

NOAA / National Weather Service — Advanced Hydrologic Prediction Service

Project / NID identifier

Oologah Dam · OK10310

Dam / watershed (NID design values)

Static design values from a confidently matched National Inventory of Dams record — not live gage readings.

Normal storage
552,210 acre-ft
Max storage
1.56M acre-ft
Surface area at normal pool
31,040 acres
Drainage area
4,339 sq mi
Spillway capacity (design)
236,600 cfs
Dam structure
Gravity · 137 ft high · completed 1963
Hazard classification
High
Safety & inspection
last inspection Oct 30, 2023 · EAP yes

National Inventory of Dams · matched record: Oologah Dam (OK10310)

How this lake is operated

  • Documented project purposes (National Inventory of Dams): Flood Risk Reduction, Other, Recreation, Water Supply.

Why the level can change

General factors for reservoirs like this

These are common influences for this type of lake. They do not identify the cause of a specific current change unless an operator update confirms it.

  • Rainfall & inflows

    Rain and upstream river inflows can raise reservoir levels, especially after storms.

  • Downstream releases

    When an operator releases water through a dam, reservoir storage can fall and downstream flows can rise.

  • Flood-risk operations

    Some projects store or release water under flood-risk rules when conditions require it.

  • Water supply

    Some reservoirs support municipal, industrial, irrigation, or regional water-supply needs.

  • Hydropower

    Hydropower projects may pass water through turbines when generating electricity.

  • Seasonal weather

    Dry periods, heat, evaporation, and seasonal rainfall patterns can affect storage over weeks and months.

Published reference elevations

Full pool
638.00 ft

Published reference elevation. Not necessarily a fixed year-round target for every project.

Flood stage
661.00 ft

Flood stage is not interchangeable with flood pool.

Current data source

Managing authority: U.S. Army Corps of Engineers

Observation source used by Lake Insights: NOAA / National Weather Service — Advanced Hydrologic Prediction Service

Who manages the lake and who publishes the reading Lake Insights displays can differ. Lake Insights does not invent a source label from the managing authority alone.

General education

Shared background — not lake-specific facts

Lake Insights aggregates water level information from authoritative public sources such as the U.S. Army Corps of Engineers, NOAA, TVA, Bureau of Reclamation, power utilities, and other official lake operators. We preserve historical observations, calculate trends, and present lake conditions in a consistent format. For NOAA / National Weather Service — Advanced Hydrologic Prediction Service, we link to the official source whenever it is available. Lake Insights does not predict future lake levels unless an official forecast has been published by the managing authority.

How we source lake data · Glossary

Common questions about Oologah Lake

Who manages Oologah Lake?
Oologah Lake is managed by U.S. Army Corps of Engineers. Lake Insights reports published gauge readings; it does not operate the waterbody.
What is full pool at Oologah Lake?
The published full-pool elevation for Oologah Lake is 638.00 ft (NGVD29). Full pool is a published reference elevation — not a prediction of today’s level.
Where does Lake Insights get the level reading for Oologah Lake?
Lake Insights displays the latest available elevation for Oologah Lake from NOAA / National Weather Service — Advanced Hydrologic Prediction Service. The managing authority (U.S. Army Corps of Engineers) may differ from the agency that publishes the observation used on this page.
What datum is used for Oologah Lake?
Elevations for Oologah Lake are referenced to NGVD29 (MSL).
What are the documented purposes of Oologah Lake?
Documented purposes for Oologah Lake (National Inventory of Dams): Flood Risk Reduction, Other, Recreation, Water Supply.

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