UBC Dam 20 near Hutto water level

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

Reservoir, UBC Dam 20, Texas, United States

Directions

Very low for mid-October

Surface elevation

646.77ft Steady over the last 24 hours

Measured Oct 19, 2026, 04:45 PM CDT (1 hour ago)

History

What this means

At 646.77 ft, UBC Dam 20 near Hutto is far below normal for mid-October.

The median for mid-October is 647.52 ft, based on 7 years of readings, so the lake level is 0.75 ft below typical. On the same day last year the reading was 646.91 ft, a difference of −0.14 ft.

It has barely moved over the past 24 hours. Over the past 30 days it has moved between 646.77 ft and 647.24 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 647.52 ft0.75 ft below the median for this date
Normal for this date: 646.85 ft – 649.06 ft8 years in 10 fall in this range (7 years of records)
Same day last year: 646.91 ft−0.14 ft
Lowest and highest in 30 days: 646.77 ft – 647.24 ft
Lowest and highest in 12 months: 646.77 ft – 651.65 ft

Swimming and boating at UBC Dam 20 near Hutto

Low water changes a lake fast for boaters. Some ramps get shorter or close, docks may be moved, and rocks and sandbars that are usually well under the surface come within reach of a prop.

If you swim, pick a spot with an easy way out, and remember that drop-offs move as the level changes.

Weather at the gauge

No rain in the last 3 days.

19 Mon 73° 50° – Wind 7 mph

20 Tue 76° 58° – Wind 9 mph

21 Wed 84° 62° – Wind 7 mph

22 Thu 86° 64° – Wind 12 mph

23 Fri 84° 64° – Wind 12 mph

24 Sat 83° 61° – Wind 14 mph

25 Sun 80° 61° – Wind 13 mph

Forecast: Open-Meteo

Sunrise 07:36 AM Sunset 06:56 PM Daylight 11 hr, 20 min First quarter 63%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
UBC Dam 21 near HuttoReservoir, UBC Dam 21	616.09 ft	Low	−0.05 ft	1.2 mi
UBC Dam 19 near HuttoReservoir, UBC Dam 19	659.43 ft	Low	−0.01 ft	1.7 mi
UBC Dam 18 near HuttoReservoir, UBC Dam 18	657.17 ft	Very low	−0.01 ft	2.0 mi
UBC Dam 22 near PflugervilleReservoir, UBC Dam 22	597.74 ft	Normal	−0.01 ft	2.5 mi
UBC Dam 17 near Round RockReservoir, UBC Dam 17	671.34 ft	Very high	+0.01 ft	3.6 mi
Brushy Creek at Kenney Fort Blvd at Round RockRiver gauge, Brushy Creek	3.31 ft	Normal	+0.01 ft	4.0 mi
UBC Dam 15 near Round RockReservoir, UBC Dam 15	697.26 ft	Very low	−0.02 ft	4.1 mi
UBC Dam 16 near Round RockReservoir, UBC Dam 16	712.94 ft	Very low	−0.01 ft	5.0 mi

Questions and answers

Is UBC Dam 20 near Hutto higher than last year?

No, it is 0.14 ft lower than on the same day last year, when the reading was 646.91 ft.

What is a normal level for UBC Dam 20 near Hutto in mid-October?

The median for mid-October is 647.52 ft. In 8 years out of 10 the reading falls between 646.85 ft and 649.06 ft, based on 7 years of records.

Is UBC Dam 20 near Hutto really 646.77 ft deep?

No. 646.77 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 UBC Dam 20 near Hutto today?

On Oct 19, 2026, 04:45 PM CDT, the surface elevation was 646.77 ft. Steady over the last 24 hours.

Is UBC Dam 20 near Hutto rising or falling?

Steady over the last 24 hours. Down 0.12 ft over the last 7 days.

Is the level of UBC Dam 20 near Hutto normal?

Very low for mid-October. Compared with 7 years of daily readings for this time of year.

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.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:303056097341300 (Agency page)
Coordinates: 30.51564, -97.57041 (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	646.77 ft	2026-10-19 21:45	Provisional

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How to cite

U.S. Geological Survey: UBC Dam 20 near Hutto (usgs:303056097341300). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/ubc-dam-20-near-hutto

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