Nivelmap
EN

LBC Dam 20 near Thorndale water level

Reservoir, LBC Dam 20, Texas, United States

Directions

Right now

Latest reading

Surface elevation

476.12ft Steady over the last 24 hours

400 450 500 550

History

History
476.15476.20ftOct 13Oct 14Oct 16Oct 17Oct 19476.15476.20ftOct 13Oct 16Oct 19
476.1476.2476.3476.4ftSep 20Sep 27Oct 4Oct 12Oct 19476.1476.2476.3476.4ftSep 20Oct 4Oct 19
476478480ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026476478480ftOct 2025Apr 2026Oct 2026
476478480ftMar 2023Feb 2024Jan 2025Nov 2025Oct 2026476478480ftMar 2023Jan 2025Oct 2026
476478480ftJanMarMayJulSepNov2026476478480ftJanAprJulOct2026

2023202420252026

Surface elevation

What this means

LBC Dam 20 near Thorndale reads 476.12 ft as of Oct 19, 2026, 04:45 AM CDT. There is no published reference for this reservoir yet, so we can't say whether that is high or low for the season.

It has barely moved over the past 24 hours. In the last month it has stayed between 476.12 ft and 476.43 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
475.28 ft+0.84 ft
Lowest and highest in 30 days
476.12 ft – 476.43 ft
Lowest and highest in 12 months
475.03 ft – 481.28 ft

On the water at LBC Dam 20 near Thorndale

Watch the chart rather than the single number; it shows whether the shoreline is moving.

Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.

Weather at the gauge

No rain in the last 3 days.

18 Sun 74° 47° – Wind 7 mph
19 Mon 78° 51° – Wind 9 mph
20 Tue 82° 56° – Wind 10 mph
21 Wed 85° 63° – Wind 8 mph
22 Thu 87° 65° – Wind 12 mph
23 Fri 84° 64° – Wind 12 mph
24 Sat 83° 60° – Wind 13 mph

Forecast: Open-Meteo

Sunrise 07:35 AM Sunset 06:55 PM Daylight 11 hr, 20 min First quarter 58%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
San Gabriel River at LaneportRiver gauge, San Gabriel River 4.93 ft Normal −0.01 ft 7 mi
Brushy Creek at FM 619 near TaylorRiver gauge, Brushy Creek 6.64 ft Very low ±0 8 mi
Granger Lake near GrangerLake, Granger Lake 503.84 ft Normal −0.01 ft 8 mi
Willis Creek near GrangerRiver gauge, Willis Creek 3.48 ft Very low −0.01 ft 13 mi
LBC Dam 25 near TaylorReservoir, LBC Dam 25 593.85 ft Normal ±0 14 mi
Brushy Creek at FM 973 near CouplandRiver gauge, Brushy Creek 5.45 ft Normal +0.02 ft 16 mi
Little River near RockdaleRiver gauge, Little River 4.07 ft Low +0.03 ft 18 mi
UBC Dam 22 near PflugervilleReservoir, UBC Dam 22 597.74 ft Normal −0.01 ft 19 mi

Questions and answers

Is LBC Dam 20 near Thorndale higher than last year?

Yes, it is 0.84 ft higher than on the same day last year, when the reading was 475.28 ft.

Is LBC Dam 20 near Thorndale really 476.12 ft deep?

No. 476.12 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of LBC Dam 20 near Thorndale today?

On Oct 19, 2026, 04:45 AM CDT, the surface elevation was 476.12 ft. Steady over the last 24 hours.

Is LBC Dam 20 near Thorndale rising or falling?

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

Is the level of LBC Dam 20 near Thorndale normal?

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

How often is this data updated?

The 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 the U.S. Geological Survey, the official operator of this gauge, and are in 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:303549097143301 (Agency page)
Coordinates
30.59714, -97.24275 (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 476.12 ft 2026-10-19 09:45 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 20 near Thorndale (usgs:303549097143301). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/lbc-dam-20-near-thorndale

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.