Lake Catherine lake and shoreline

About Lake Catherine

Officially Lake Catherine (Ouachita River)

Arkansas

Lake Catherine is managed by Entergy Arkansas. Lake Insights displays its latest available elevation from U.S. Geological Survey. Published reference elevations are listed below.

Lake Status

0.14 feet above full pool

+0.14 ft vs full pool

7-day trend
Rising
7-day change
Up 0.01 ft
30-day change
Down 0.02 ft
Last updated
5 hours ago

Lake Catherine is currently 0.14 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.

Key Facts

Managing authority

Waterbody / project type

Reservoir

Full pool

304.00 ft

Current-level source

U.S. Geological Survey

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
304.00 ft

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

Current data source

Managing authority: Entergy Arkansas

Observation source used by Lake Insights: U.S. Geological Survey

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 U.S. Geological Survey, 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 Lake Catherine

Who manages Lake Catherine?
Lake Catherine is managed by Entergy Arkansas. Lake Insights reports published gauge readings; it does not operate the waterbody.
What is full pool at Lake Catherine?
The published full-pool elevation for Lake Catherine is 304.00 ft. Full pool is a published reference elevation — not a prediction of today’s level.
Where does Lake Insights get the level reading for Lake Catherine?
Lake Insights displays the latest available elevation for Lake Catherine from U.S. Geological Survey. The managing authority (Entergy Arkansas) may differ from the agency that publishes the observation used on this page.

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