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North end of GBRA Calhoun Canal near Long Mott water level

Canal gauge, North end of GBRA Calhoun Canal, Texas, United States

Directions

Normal for late October

Water level

14.79ft Steady over the last 24 hours

Flow
48.6 cfs
13 15 18

History

14.014.515.0ftOct 16Oct 17Oct 18Oct 20Oct 2114.014.515.0ftOct 16Oct 18Oct 21
Water level

What this means

The North end of GBRA Calhoun Canal near Long Mott is at 14.79 ft, in the normal range for late October.

It has barely moved over the past 24 hours. In the last month it has stayed between 14.01 ft and 14.93 ft.

Compared with 5 years of daily readings for this time of year. How to read levels

Weather at the gauge

No rain in the last 3 days.

21 Wed 78° 65° 0.02 in Wind 11 mph
22 Thu 85° 67° – Wind 9 mph
23 Fri 83° 67° – Wind 14 mph
24 Sat 84° 71° – Wind 17 mph
25 Sun 80° 70° 0.01 in Wind 16 mph
26 Mon 84° 68° – Wind 12 mph
27 Tue 82° 71° 0.01 in, 20% Wind 10 mph

Forecast: Open-Meteo

Sunrise 07:32 AM Sunset 06:53 PM Daylight 11 hr, 20 min Waxing gibbous 76%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Guadalupe River at SH 35 near TivoliTidal gauge, Guadalupe River 11.20 ft Normal −0.01 ft 5.3 mi
Guadalupe River near TivoliRiver gauge, Guadalupe River 2.92 ft Very low −1.17 ft 6 mi
Placedo Creek near PlacedoRiver gauge, Placedo Creek 4.23 ft Normal +0.02 ft 15 mi
Guadalupe River near BloomingtonRiver gauge, Guadalupe River 8.41 ft Low −0.20 ft 16 mi
San Antonio River near McFaddinRiver gauge, San Antonio River 14.97 ft Normal −0.27 ft 16 mi
Guadalupe River at VictoriaRiver gauge, Guadalupe River 5.16 ft Low −0.04 ft 24 mi
Copano Creek near RefugioRiver gauge, Copano Creek 2.33 ft Low ±0 24 mi
Coleto Creek near VictoriaRiver gauge, Coleto Creek 3.87 ft Normal ±0 27 mi

Questions and answers

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of North end of GBRA Calhoun Canal near Long Mott today?

On Oct 21, 2026, 04:00 AM CDT, the water level was 14.79 ft. Steady over the last 24 hours.

Is North end of GBRA Calhoun Canal near Long Mott rising or falling?

Steady over the last 24 hours.

Is the level of North end of GBRA Calhoun Canal near Long Mott normal?

Normal for late October. Compared with 5 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.

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:08188590 (Agency page)
Coordinates
28.50549, -96.78143 (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
Water level 14.79 ft 2026-10-21 09:00 Provisional
Flow 48.6 cfs 2026-10-21 09:00 Provisional

Download

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How to cite

U.S. Geological Survey: North end of GBRA Calhoun Canal near Long Mott (usgs:08188590). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/north-end-of-gbra-calhoun-canal-near-long-mott

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