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Lake Lewisville Water Level Today

Also known as Lewisville Lake

Daily level, percent full and history for Lake Lewisville, on the Elm Fork Trinity River in Texas.

Updated · Source: Texas Water Development BoardTWDB

Water level

517.88ft

msl · Daily reading for Nov 7, 2026

  • 4.12 ftbelow full pool (522.0 ft)
  • 81.2%full
  • −0.04 ftin 24 h+0.04 ft in 7 days−0.65 ft in 30 days
516518520522524516518520522524516518520522524
  • Full pool
  • 1 yr ago

Storage 457,418 of 563,228 acre-ft

Is Lake Lewisville full?

No. Lake Lewisville is 81.2% full, 4.12 ft below full pool. It is 3.12 ft lower than a year ago (521.00 ft on Nov 7, 2025).

Lake Lewisville level history

View data table
DateLevel (ft)% full
Nov 7, 2026517.8881.2%
Nov 6, 2026517.9281.4%
Nov 5, 2026517.9581.5%
Nov 4, 2026517.9681.6%
Nov 3, 2026517.9581.5%
Nov 2, 2026517.7780.7%
Nov 1, 2026517.8281.0%
Oct 31, 2026517.8481.0%
Oct 30, 2026517.8581.1%
Oct 29, 2026517.8781.2%
Oct 28, 2026517.8981.3%
Oct 27, 2026517.9281.4%
Oct 26, 2026517.9681.6%
Oct 25, 2026517.9881.6%
Oct 24, 2026518.0281.8%
Oct 23, 2026518.0581.9%
Oct 22, 2026518.0882.1%
Oct 21, 2026518.1182.2%
Oct 20, 2026518.1482.3%
Oct 19, 2026518.1782.5%
Oct 18, 2026518.2082.6%
Oct 17, 2026518.2382.7%
Oct 16, 2026518.3883.4%
Oct 15, 2026518.3683.3%
Oct 14, 2026518.3783.3%
Oct 13, 2026518.3983.4%
Oct 12, 2026518.4183.5%
Oct 11, 2026518.4483.6%
Oct 10, 2026518.5083.9%
Oct 9, 2026518.5284.0%
Oct 8, 2026518.5384.0%
  • Lake Lewisville level
  • Full pool 522.0 ft
  • Above full pool
Source: TWDB · Daily readings since 1988

Lake Lewisville on Nov 7 in past years

Lake Lewisville water level on Nov 7 in past years
YearLevel (ft)vs today% full
2026today517.88—
81.2%
2025521.00+3.12
95.3%
2024519.24+1.36
87.2%
2023519.91+2.03
90.2%
2022517.77−0.11
80.7%
2021520.77+2.89
94.2%
2020521.49+3.61
97.6%
2019520.70+2.82
93.9%
2018527.62+9.74
100%above full pool
2017520.51+2.63
93.0%
2016521.56+3.68
97.9%

Today’s level is the lowest for this date since 2022.

Lake facts

Full pool (conservation pool)
522.0 ft msl
Dead pool
481.00 ft msl
Conservation capacity
563,228 acre-ft
Surface area today
24,272 acres
Highest since 1988
536.79 ftMay 31, 2015
Lowest since 1988
507.05 ftOct 15, 2000
Data since
Jan 6, 1988
Dam
Lewisville Damcompleted 1955
River
Elm Fork Trinity River
Operated by
US Army Corps of Engineers, Fort Worth District
Dam location
Denton County
Gauge location
33.0693, −96.9644

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Jan 6, 1988 to today (daily averages).

Elm Fork Trinity chain

UpstreamElm Fork Trinity RiverDownstream
  1. Lake Ray Roberts630.56 ft93.2% full−1.94 ft vs full pool
  2. Lake Lewisville517.88 ft81.2% full−4.12 ft vs full poolYou are here

Weather on the lake

  1. Tonight54°FLowNNE 5 mphMostly Cloudy
  2. Sunday71°FHighLow 53°FN 0–5 mphMostly Cloudy
  3. Monday72°FHighLow 58°FSSW 0–5 mphPartly Sunny
  4. Tuesday75°FHighLow 60°FSSW 5 mphMostly Sunny
  5. Wednesday78°FHighLow 54°FW 0–5 mphSunny
  6. Thursday73°FHighLow 48°FNNW 10–15 mphSunny
  7. Friday69°FHighLow 49°FN 5 mphSunny

Forecast: National Weather Service for the dam area (33.07, −96.96). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Lake Lewisville?
522.0 ft above mean sea level, the top of its conservation pool. Above it, the extra water is flood storage that is later released downstream through Lewisville Dam.
How much does Lake Lewisville need to be full?
Lake Lewisville needs 4.12 ft more water to reach full pool (522.0 ft), or about 105,810 acre-ft of storage, as of Nov 7, 2026.
Is Lake Lewisville rising or falling?
It is steady: +0.04 ft in the last 7 days and −0.04 ft in 24 hours, to 517.88 ft on Nov 7, 2026 (Texas Water Development Board).
When was Lake Lewisville last full?
It was last at or above full pool (522.0 ft) on Jul 19, 2026. On Nov 7, 2026 it was 4.12 ft below.
What is the highest level in our data?
Lake Lewisville reached 536.79 ft on May 31, 2015. The lowest was 507.05 ft on Oct 15, 2000 (TWDB data since 1988; older records are not in this data set).
How much has Lake Lewisville changed in the last year?
In the last 12 months it ranged from 517.77 ft (Nov 2, 2026) to 524.49 ft (Jun 22, 2026), a swing of 6.72 ft.
How often is this page updated?
This page is updated every morning with the daily reading published by the Texas Water Development Board. The last reading is from Nov 7, 2026.

Where this data comes from

Daily reservoir data from the Texas Water Development Board (Lake Lewisville on waterdatafortexas.org). Updated every morning. 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.