UBC Dam 18 near Hutto water level

Name: UBC Dam 18 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 18, Texas, United States

Directions

Very low for mid-October

Surface elevation

657.17ft Steady over the last 24 hours

Measured Oct 19, 2026, 11:30 AM CDT (39 min ago)

History

What this means

UBC Dam 18 near Hutto is far below normal for mid-October, with the lake level at 657.17 ft.

That puts it 1.32 ft below the median of 658.49 ft for mid-October, based on 7 years of readings. A year ago it stood at 657.60 ft (−0.43 ft).

The level has held steady over the past 24 hours. In the last month it has stayed between 657.17 ft and 657.70 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: 658.49 ft1.32 ft below the median for this date
Normal for this date: 657.51 ft – 658.50 ft8 years in 10 fall in this range (7 years of records)
Same day last year: 657.60 ft−0.43 ft
Lowest and highest in 30 days: 657.17 ft – 657.70 ft
Lowest and highest in 12 months: 657.03 ft – 661.65 ft

On the water at UBC Dam 18 near Hutto

A receding shoreline opens up beaches but also uncovers hazards: stumps, rocks and soft mud that are usually well under water.

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.

19 Mon 76° 50° – Wind 7 mph

20 Tue 81° 59° – Wind 11 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 60%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
UBC Dam 19 near HuttoReservoir, UBC Dam 19	659.44 ft	Low	−0.01 ft	1.8 mi
UBC Dam 20 near HuttoReservoir, UBC Dam 20	646.77 ft	Very low	±0	2.0 mi
UBC Dam 15 near Round RockReservoir, UBC Dam 15	697.27 ft	Very low	−0.01 ft	2.2 mi
UBC Dam 17 near Round RockReservoir, UBC Dam 17	671.34 ft	Very high	+0.01 ft	2.6 mi
UBC Dam 21 near HuttoReservoir, UBC Dam 21	616.08 ft	Very low	−0.06 ft	3.1 mi
UBC Dam 16 near Round RockReservoir, UBC Dam 16	712.94 ft	Very low	−0.02 ft	3.3 mi
Brushy Creek at Kenney Fort Blvd at Round RockRiver gauge, Brushy Creek	3.31 ft	Normal	−0.03 ft	3.8 mi
UBC Dam 22 near PflugervilleReservoir, UBC Dam 22	597.74 ft	Normal	−0.01 ft	4.4 mi

Questions and answers

How does UBC Dam 18 near Hutto compare with last year?

It is 0.43 ft lower than on the same day last year, when the reading was 657.60 ft.

What is a normal level for UBC Dam 18 near Hutto in mid-October?

The median for mid-October is 658.49 ft. In 8 years out of 10 the reading falls between 657.51 ft and 658.50 ft, based on 7 years of records.

Is UBC Dam 18 near Hutto really 657.17 ft deep?

No. 657.17 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 18 near Hutto today?

On Oct 19, 2026, 11:30 AM CDT, the surface elevation was 657.17 ft. Steady over the last 24 hours.

Is UBC Dam 18 near Hutto rising or falling?

Steady over the last 24 hours. Down 0.16 ft over the last 7 days.

Is the level of UBC Dam 18 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:303234097345700 (Agency page)
Coordinates: 30.54291, -97.58259 (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	657.17 ft	2026-10-19 16:30	Provisional

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How to cite

U.S. Geological Survey: UBC Dam 18 near Hutto (usgs:303234097345700). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/ubc-dam-18-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