LBC Dam 20 near Thorndale water level

Name: LBC Dam 20 near Thorndale water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Reservoir, LBC Dam 20, Texas, United States

Directions

Latest reading

Surface elevation

476.13ft Steady over the last 24 hours

Measured Oct 18, 2026, 04:45 PM CDT (30 min ago)

History

What this means

LBC Dam 20 near Thorndale reads 476.13 ft as of Oct 18, 2026, 04:45 PM 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 476.13 ft and 476.45 ft.

Over the past seven days the change adds up to −0.14 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: 475.30 ft+0.83 ft
Lowest and highest in 30 days: 476.13 ft – 476.45 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 72° 49° – Wind 7 mph

19 Mon 77° 51° – Wind 8 mph

20 Tue 82° 57° – Wind 9 mph

21 Wed 85° 61° – Wind 9 mph

22 Thu 86° 64° – Wind 11 mph

23 Fri 86° 61° – Wind 12 mph

24 Sat 85° 61° – Wind 12 mph

Forecast: Open-Meteo

Sunrise 07:34 AM Sunset 06:56 PM Daylight 11 hr, 22 min First quarter 53%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
San Gabriel River at LaneportRiver gauge, San Gabriel River	4.94 ft	Normal	±0	7 mi
Brushy Creek at FM 619 near TaylorRiver gauge, Brushy Creek	22.67 ft	Very high	+15.72 ft	8 mi
Granger Lake near GrangerLake, Granger Lake	503.84 ft	Normal	−0.02 ft	8 mi
Willis Creek near GrangerRiver gauge, Willis Creek	3.47 ft	Very low	−0.01 ft	13 mi
LBC Dam 25 near TaylorReservoir, LBC Dam 25	593.86 ft	Normal	−0.01 ft	14 mi
Brushy Creek at FM 973 near CouplandRiver gauge, Brushy Creek	5.24 ft	Normal	+0.02 ft	16 mi
Little River near RockdaleRiver gauge, Little River	4.09 ft	Low	−0.04 ft	18 mi
UBC Dam 22 near PflugervilleReservoir, UBC Dam 22	597.75 ft	Normal	−0.01 ft	19 mi

Questions and answers

Is LBC Dam 20 near Thorndale higher than last year?

Yes, it is 0.83 ft higher than on the same day last year, when the reading was 475.30 ft.

Is LBC Dam 20 near Thorndale really 476.13 ft deep?

No. 476.13 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 18, 2026, 04:45 PM CDT, the surface elevation was 476.13 ft. Steady over the last 24 hours.

Is LBC Dam 20 near Thorndale rising or falling?

Steady over the last 24 hours. Down 0.14 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

Parameter	Last value	Time (UTC)	Quality
Surface elevation	476.13 ft	2026-10-18 21:45	Provisional

Download

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How to cite

U.S. Geological Survey: LBC Dam 20 near Thorndale (usgs:303549097143301). Accessed October 18, 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.

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