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Dewey Lake Water Level Today

Daily level, distance to full pool and history for Dewey Lake, on the Johns Creek in Kentucky.

Updated · Source: US Army Corps of EngineersUSACE Provisional

Water level Provisional

649.76ft

msl · 3:30 PM EST, Nov 8, 2026

  • 0.24 ftbelow full pool (650.0 ft)
  • 13,703acre-ft in storage
  • −0.13 ftin 24 h−0.77 ft in 7 days−0.66 ft in 30 days
648650652648650652648650652
  • Full pool
  • 1 yr ago

Is Dewey Lake full?

No. Dewey Lake is 0.24 ft below full pool (650.0 ft). It is 0.19 ft higher than a year ago (649.57 ft on Nov 8, 2025).

Dewey Lake level history

Full pool 650.0 ft
View data table
DateLevel (ft)% full
Nov 8, 2026649.76—
Nov 7, 2026649.91—
Nov 6, 2026650.02—
Nov 5, 2026650.13—
Nov 4, 2026650.21—
Nov 3, 2026650.36—
Nov 2, 2026650.52—
Nov 1, 2026650.53—
Oct 31, 2026650.52—
Oct 30, 2026650.52—
Oct 29, 2026650.51—
Oct 28, 2026650.50—
Oct 27, 2026650.49—
Oct 26, 2026650.48—
Oct 25, 2026650.47—
Oct 24, 2026650.45—
Oct 23, 2026650.43—
Oct 22, 2026650.41—
Oct 21, 2026650.38—
Oct 20, 2026650.34—
Oct 19, 2026650.29—
Oct 18, 2026650.38—
Oct 17, 2026650.48—
Oct 16, 2026650.58—
Oct 15, 2026650.72—
Oct 14, 2026650.69—
Oct 13, 2026650.74—
Oct 12, 2026650.63—
Oct 11, 2026650.49—
Oct 10, 2026650.42—
Oct 9, 2026650.42—
  • Dewey Lake level
  • Full pool 650.0 ft
  • Above full pool
Source: USACE · Daily averages since 2020

Dewey Lake on Nov 8 in past years

Dewey Lake water level on Nov 8 in past years
YearLevel (ft)vs todayvs full pool
2026today649.76—−0.24 ft
2025649.57−0.19−0.43 ft
2024649.44−0.32−0.56 ft
2023650.21+0.45+0.21 ft
2022650.62+0.86+0.62 ft
2021649.79+0.03−0.21 ft
2020649.35−0.41−0.65 ft

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

Lake facts

Full pool (conservation pool)
650.0 ft msl
Seasonal target today
648.8 ft+0.93 ft vs target
Summer / winter pool
650.0 / 645.0 ft
Top of flood pool
686.0 ft msl
Bottom of conservation pool
608.3 ft msl
Highest since 2020
670.62 ftMar 4, 2021
Lowest since 2020
640.02 ftFeb 24, 2026
Data since
Aug 12, 2020
Dam
Dewey Damcompleted 1949
River
Johns Creek
Operated by
US Army Corps of Engineers, Huntington District
Dam location
Floyd County
Gauge location
37.7356, −82.7292

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Aug 12, 2020 to today (daily averages).

Weather on the lake

  1. This Afternoon61°FHighLow 35°FWSW 5 mphSunny
  2. Tonight35°FLowSW 3 mphClear then Patchy Frost
  3. Monday64°FHighLow 34°FW 3 mphPatchy Frost then Sunny
  4. Tuesday68°FHighLow 39°FSW 1–5 mphPatchy Frost then Sunny
  5. Wednesday69°FHighLow 46°FSW 2 mphAreas Of Fog then Sunny
  6. Thursday57°FHighLow 35°FW 3–8 mphLight Rain
  7. Friday44°FHighLow 30°FWNW 8 mphChance Rain and Snow

Forecast: National Weather Service for the dam area (37.74, −82.73). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Dewey Lake?
650.0 ft above mean sea level, the top of its conservation pool. Above it, water is held in the flood pool (up to 686.0 ft) and released through Dewey Dam when conditions downstream allow.
How much does Dewey Lake need to be full?
Dewey Lake needs 0.24 ft more water to reach full pool (650.0 ft), as of Nov 8, 2026.
Is Dewey Lake rising or falling?
It is falling: −0.77 ft in the last 7 days and −0.13 ft in 24 hours, to 649.76 ft on 3:30 PM EST, Nov 8, 2026 (US Army Corps of Engineers).
When was Dewey Lake last full?
It was last at or above full pool (650.0 ft) on Nov 6, 2026. On Nov 8, 2026 it was 0.24 ft below.
What is the highest level in our data?
Dewey Lake reached 670.62 ft on Mar 4, 2021. The lowest was 640.02 ft on Feb 24, 2026 (USACE data since 2020; older records are not in this data set).
How much has Dewey Lake changed in the last year?
In the last 12 months it ranged from 640.02 ft (Feb 24, 2026) to 651.53 ft (Jul 13, 2026), a swing of 11.51 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 3:30 PM EST, Nov 8, 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.