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Copan Lake Water Level Today

Daily level, distance to full pool and history for Copan Lake, on the Little Caney River in Oklahoma.

Updated · Source: US Army Corps of EngineersUSACE Provisional

Water level Provisional

709.19ft

msl · 8:00 PM CST, Nov 7, 2026

  • 0.81 ftbelow full pool (710.0 ft)
  • 31,351acre-ft in storage
  • −0.01 ftin 24 h+0.28 ft in 7 days+0.25 ft in 30 days
708710712714708710712714708710712714
  • Full pool
  • 1 yr ago

Is Copan Lake full?

No. Copan Lake is 0.81 ft below full pool (710.0 ft). It is 1.38 ft lower than a year ago (710.57 ft on Nov 7, 2025).

Copan Lake level history

Full pool 710.0 ft
View data table
DateLevel (ft)% full
Nov 7, 2026709.19—
Nov 6, 2026709.21—
Nov 5, 2026709.17—
Nov 4, 2026709.11—
Nov 3, 2026709.01—
Nov 2, 2026708.88—
Nov 1, 2026708.91—
Oct 31, 2026708.91—
Oct 30, 2026708.89—
Oct 29, 2026708.89—
Oct 28, 2026708.89—
Oct 27, 2026708.92—
Oct 26, 2026708.94—
Oct 25, 2026708.96—
Oct 24, 2026708.96—
Oct 23, 2026708.98—
Oct 22, 2026708.99—
Oct 21, 2026709.00—
Oct 20, 2026709.00—
Oct 19, 2026709.01—
Oct 18, 2026709.01—
Oct 17, 2026709.02—
Oct 16, 2026709.05—
Oct 15, 2026708.99—
Oct 14, 2026708.90—
Oct 13, 2026708.81—
Oct 12, 2026708.81—
Oct 11, 2026708.85—
Oct 10, 2026708.89—
Oct 9, 2026708.92—
Oct 8, 2026708.94—
  • Copan Lake level
  • Full pool 710.0 ft
  • Above full pool
Source: USACE · Daily averages since 2014

Copan Lake on Nov 7 in past years

Copan Lake water level on Nov 7 in past years
YearLevel (ft)vs todayvs full pool
2026today709.19—−0.81 ft
2025710.57+1.38+0.57 ft
2024710.61+1.42+0.61 ft
2023702.60−6.59−7.40 ft
2022707.43−1.76−2.57 ft
2021709.26+0.07−0.74 ft
2020710.89+1.70+0.89 ft
2019710.41+1.22+0.41 ft
2018710.29+1.10+0.29 ft
2017709.57+0.38−0.43 ft
2016709.38+0.19−0.62 ft

Today’s level is the lowest for this date since 2023.

Lake facts

Full pool (conservation pool)
710.0 ft msl
Top of flood pool
732.0 ft msl
Bottom of conservation pool
687.5 ft msl
Highest since 2014
732.41 ftMay 26, 2019
Lowest since 2014
702.25 ftDec 21, 2023
Data since
Dec 31, 2014
Dam
Copan Damcompleted 1983
River
Little Caney River
Operated by
US Army Corps of Engineers, Tulsa District
Dam location
Washington County
Gauge location
36.8870, −95.9530

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Dec 31, 2014 to today (daily averages).

Weather on the lake

  1. Tonight35°FLowCalmMostly Clear then Areas Of Fog
  2. Sunday70°FHighLow 39°FSW 0–5 mphAreas Of Fog then Sunny
  3. Monday71°FHighLow 47°FS 0–10 mphSunny
  4. Tuesday74°FHighLow 53°FSW 0–10 mphSunny
  5. Wednesday72°FHighLow 45°FNW 0–10 mphMostly Sunny
  6. Thursday63°FHighLow 38°FN 5–15 mphSunny
  7. Friday62°FHighLow 39°FN 0–5 mphSunny

Forecast: National Weather Service for the dam area (36.89, −95.95). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Copan Lake?
710.0 ft above mean sea level, the top of its conservation pool. Above it, water is held in the flood pool (up to 732.0 ft) and released through Copan Dam when conditions downstream allow.
How much does Copan Lake need to be full?
Copan Lake needs 0.81 ft more water to reach full pool (710.0 ft), as of Nov 7, 2026.
Is Copan Lake rising or falling?
It is rising: +0.28 ft in the last 7 days and −0.01 ft in 24 hours, to 709.19 ft on 8:00 PM CST, Nov 7, 2026 (US Army Corps of Engineers).
When was Copan Lake last full?
It was last at or above full pool (710.0 ft) on Aug 12, 2026. On Nov 7, 2026 it was 0.81 ft below.
What is the highest level in our data?
Copan Lake reached 732.41 ft on May 26, 2019. The lowest was 702.25 ft on Dec 21, 2023 (USACE data since 2014; older records are not in this data set).
How much has Copan Lake changed in the last year?
In the last 12 months it ranged from 708.81 ft (Oct 12, 2026) to 721.72 ft (Jun 29, 2026), a swing of 12.91 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from US Army Corps of Engineers. The last reading is from 8:00 PM CST, Nov 7, 2026.

Where this data comes from

Hourly pool elevation from the US Army Corps of Engineers (water.usace.army.mil). Recent readings are provisional and may be revised. Weather from the National Weather Service. Dam details from the National Inventory of Dams.

Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.