Nivelmap
EN

How to read levelsSources and methods

North America

Western Europe

Central Europe

Mediterranean

Nordic countries

LBC Dam 18 near Thrall water level

Reservoir, LBC Dam 18, Texas, United States

Directions

Latest reading

Surface elevation

491.47ft Down 0.04 ft over the last 24 hours

450 500 550

History

491.50491.55ftOct 10Oct 11Oct 13Oct 14Oct 16491.50491.55ftOct 10Oct 13Oct 16
491.5491.6491.7ftSep 17Sep 24Oct 1Oct 8Oct 16491.5491.6491.7ftSep 17Oct 1Oct 16
492494496498ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026492494496498ftOct 2025Apr 2026Oct 2026
492494496498ftMar 2023Feb 2024Dec 2024Nov 2025Oct 2026492494496498ftMar 2023Dec 2024Oct 2026
492494496498ftJanMarMayJulSepNov2026492494496498ftJanAprJulOct2026

2023202420252026

Surface elevation

What this means

U.S. Geological Survey reports LBC Dam 18 near Thrall at 491.47 ft. The agency publishes no normal range or warning level for this reservoir yet, so there is nothing to judge the number against.

It is still going down, by 0.04 ft over the past 24 hours. The 30-day range is 491.46 ft – 491.70 ft.

Over the past seven days the change adds up to −0.13 ft.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Key numbers

Same day last year
491.63 ft−0.16 ft
Lowest and highest in 30 days
491.46 ft – 491.70 ft
Lowest and highest in 12 months
491.38 ft – 497.79 ft

Boating and fishing at LBC Dam 18 near Thrall

Use the recent trend to judge conditions. A fast rise or fall shows up at docks and beaches within days.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

The forecast is not available right now.

Sunrise 07:33 AM Sunset 06:58 PM Daylight 11h 25m First quarter 34 %

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Brushy Creek at FM 619 near TaylorRiver gauge, Brushy Creek 7.03 ft Very low +0.15 ft 4.4 mi
Granger Lake near GrangerLake, Granger Lake 503.89 ft Normal −0.05 ft 8 mi
San Gabriel River at LaneportRiver gauge, San Gabriel River 4.93 ft Normal +0.01 ft 8 mi
LBC Dam 25 near TaylorReservoir, LBC Dam 25 593.87 ft Normal +0.01 ft 11 mi
Willis Creek near GrangerRiver gauge, Willis Creek 3.47 ft Very low −0.01 ft 12 mi
Brushy Creek at FM 973 near CouplandRiver gauge, Brushy Creek 5.27 ft Normal −0.13 ft 12 mi
UBC Dam 22 near PflugervilleReservoir, UBC Dam 22 597.80 ft Normal −0.04 ft 15 mi
UBC Dam 21 near HuttoReservoir, UBC Dam 21 616.23 ft Low −0.06 ft 16 mi

Questions and answers

How does LBC Dam 18 near Thrall compare with last year?

It is 0.16 ft lower than on the same day last year, when the reading was 491.63 ft.

How often is LBC Dam 18 near Thrall updated?

Several times an hour. New readings from U.S. Geological Survey appear here as they arrive. Latest: Oct 16, 2026, 04:45 PM CDT.

What is the water level of LBC Dam 18 near Thrall today?

On Oct 16, 2026, 04:45 PM CDT, the surface elevation was 491.47 ft. Down 0.04 ft over the last 24 hours.

Is LBC Dam 18 near Thrall rising or falling?

Down 0.04 ft over the last 24 hours. Down 0.13 ft over the last 7 days.

Is the level of LBC Dam 18 near Thrall normal?

Latest reading. The agency publishes no normal range for this gauge yet, so we show the trend only.

How often is this data updated?

U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from U.S. Geological Survey, the official operator of this gauge, and are published under the Public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:303425097175601 (Agency page)
Coordinates
30.57367, -97.29900 (WGS84)
Vertical datum
NAVD88
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation elevation 491.47 ft 2026-10-16 21:45 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

U.S. Geological Survey: LBC Dam 18 near Thrall (usgs:303425097175601). Accessed October 16, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/lbc-dam-18-near-thrall

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer