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Lake Mexia Water Level Today

Daily level, distance to full pool and history for Lake Mexia, on the Navasota River in Texas.

Updated · Source: USGS 08110300 Provisional

Water level Provisional

446.23ft

msl · 9:15 AM CST, Nov 9, 2026

  • 2.07 ftbelow full pool (448.3 ft)
  • −0.01 ftin 24 h+0.08 ft in 7 days−0.20 ft in 30 days
446448450452446448450452446448450452
  • Full pool
  • 1 yr ago

Is Lake Mexia full?

No. Lake Mexia is 2.07 ft below full pool (448.3 ft). It is 1.56 ft lower than a year ago (447.79 ft on Nov 9, 2025).

Lake Mexia level history

Full pool 448.3 ft
View data table
DateLevel (ft)
Nov 9, 2026446.23
Nov 8, 2026446.24
Nov 7, 2026446.24
Nov 6, 2026446.27
Nov 5, 2026446.26
Nov 4, 2026446.28
Nov 3, 2026446.27
Nov 2, 2026446.15
Nov 1, 2026446.17
Oct 31, 2026446.18
Oct 30, 2026446.18
Oct 29, 2026446.18
Oct 28, 2026446.18
Oct 27, 2026446.19
Oct 26, 2026446.21
Oct 25, 2026446.22
Oct 24, 2026446.23
Oct 23, 2026446.25
Oct 22, 2026446.26
Oct 21, 2026446.27
Oct 20, 2026446.28
Oct 19, 2026446.29
Oct 18, 2026446.31
Oct 17, 2026446.32
Oct 16, 2026446.38
Oct 15, 2026446.39
Oct 14, 2026446.38
Oct 13, 2026446.37
Oct 12, 2026446.38
Oct 11, 2026446.41
Oct 10, 2026446.43
  • Lake Mexia level
  • Full pool 448.3 ft
  • Above full pool
Source: USGS · Daily averages since 1999

Lake Mexia on Nov 9 in past years

Lake Mexia water level on Nov 9 in past years
YearLevel (ft)vs todayvs full pool
2026today446.23—−2.07 ft
2025447.79+1.56−0.51 ft
2024446.31+0.08−1.99 ft
2023447.32+1.09−0.98 ft
2022446.14−0.09−2.16 ft
2021447.58+1.35−0.72 ft
2020447.85+1.62−0.45 ft
2019446.31+0.08−1.99 ft
2018448.43+2.20+0.13 ft
2017446.65+0.42−1.65 ft
2016447.42+1.19−0.88 ft

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

Lake facts

Full pool (conservation pool)
448.3 ft msl
Highest since 1999
452.93 ftOct 31, 2015
Lowest since 1999
444.50 ftNov 12, 2011
Data since
Apr 8, 1999
Dam
Bistone Damcompleted 1961
River
Navasota River
Owned by
Bistone Mws District
Dam location
Limestone County
Gauge location
31.6438, −96.5789

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Apr 8, 1999 to today (daily averages).

Lake Mexia map and depth

  • Dam and level gauge
Shoreline © OpenStreetMap contributors · Open the full map
Average depth when full
about 5 ftcapacity ÷ surface area
Surface area
about 970 acresmeasured on the OpenStreetMap outline
Height of Bistone Dam
50 ftNational Inventory of Dams

The outline shows the mapped shoreline, not today’s water line: when the lake is low, the water stands back from it.

Weather on the lake

  1. Today70°FHighLow 54°FCalmSlight Chance Rain Showers then Partly Sunny
  2. Tonight54°FLowCalmChance Rain Showers then Mostly Cloudy
  3. Tuesday75°FHighLow 55°FSW 0–5 mphSunny then Chance Rain Showers
  4. Wednesday79°FHighLow 52°FW 0–5 mphSunny
  5. Thursday73°FHighLow 44°FNNW 5–10 mphSunny
  6. Friday68°FHighLow 42°FN 0–5 mphSunny
  7. Saturday70°FHighLow 47°FSE 0–5 mphSunny

Forecast: National Weather Service for the dam area (31.64, −96.58). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Lake Mexia?
448.3 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Bistone Dam.
How much does Lake Mexia need to be full?
Lake Mexia needs 2.07 ft more water to reach full pool (448.3 ft), as of Nov 9, 2026.
How deep is Lake Mexia?
Lake Mexia is about 5 ft deep on average when full: 4,687 acre-ft of storage spread over about 970 acres of surface. As in most reservoirs, the deepest water is in the old river channel near Bistone Dam.
Is Lake Mexia rising or falling?
It is rising: +0.08 ft in the last 7 days and −0.01 ft in 24 hours, to 446.23 ft on 9:15 AM CST, Nov 9, 2026 (US Geological Survey).
When was Lake Mexia last full?
It was last at or above full pool (448.3 ft) on Jun 27, 2026. On Nov 9, 2026 it was 2.07 ft below.
What is the highest level in our data?
Lake Mexia reached 452.93 ft on Oct 31, 2015. The lowest was 444.50 ft on Nov 12, 2011 (USGS data since 1999; older records are not in this data set).
How much has Lake Mexia changed in the last year?
In the last 12 months it ranged from 446.15 ft (Nov 2, 2026) to 449.53 ft (Jun 16, 2026), a swing of 3.38 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from US Geological Survey. The last reading is from 9:15 AM CST, Nov 9, 2026.

Where this data comes from

Reservoir gauge 08110300 of the US Geological Survey (waterdata.usgs.gov). 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.