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San Antonio River near McFaddin water level

River gauge, San Antonio River, Texas, United States

Directions

Right now

Normal for mid-October

Water level

15.24ft Steady over the last 24 hours

Flow
273 cfs
10 20 30 Highest onrecord 30.08 ft

History

History
101520ftOct 16Oct 17Oct 18Oct 19Oct 20101520ftOct 16Oct 18Oct 20
Water level Normal range (10–90 %)

What this means

Water levels are unremarkable at San Antonio River near McFaddin, where the gauge shows 15.24 ft.

The median for mid-October is 16.99 ft, based on 9 years of readings, so the river stage is 1.75 ft below typical.

It has barely moved over the past 24 hours. The 30-day range is 14.63 ft – 15.24 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 9 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
16.99 ft1.75 ft below the median for this date
Normal for this date
11.76 ft – 20.50 ft8 years in 10 fall in this range (9 years of records)
Highest on record
30.08 ftJuly 14, 2021

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

Highest crests on record

RankLevelDate
130.08 ftJuly 14, 2021
229.48 ftMay 22, 2015
329.31 ftAugust 20, 2016
429.26 ftJune 11, 2016
527.75 ftDecember 11, 2016
627.67 ftOctober 20, 2021
727.38 ftMay 26, 2016
827.22 ftSeptember 15, 2018
926.41 ftNovember 12, 2018
1025.71 ftOctober 2, 2016

Weather at the gauge

No rain in the last 3 days.

19 Mon 80° 59° – Wind 11 mph
20 Tue 85° 61° – Wind 10 mph
21 Wed 82° 71° – Wind 13 mph
22 Thu 85° 65° – Wind 12 mph
23 Fri 85° 66° – Wind 14 mph
24 Sat 85° 68° – Wind 17 mph
25 Sun 83° 68° – Wind 14 mph

Forecast: Open-Meteo

Sunrise 07:33 AM Sunset 06:55 PM Daylight 11 hr, 22 min First quarter 68%

Map

Other gauges on the San Antonio River

Gauge Level Compared with normal 24 hours Distance
San Antonio River at San AntonioRiver gauge, San Antonio River 3.95 ft Normal +0.01 ft 107 mi
San Antonio River at Mitchell St, San AntonioRiver gauge, San Antonio River 4.29 ft Normal +0.03 ft 106 mi
San Antonio River at Loop 410, San AntonioRiver gauge, San Antonio River 3.68 ft Low +0.01 ft 101 mi
San Antonio River near Braunig Lake near ElmendorfRiver gauge, San Antonio River 11.14 ft No reference yet −0.04 ft 96 mi
San Antonio River near ElmendorfRiver gauge, San Antonio River 9.18 ft Normal −0.60 ft 93 mi
San Antonio River near FloresvilleRiver gauge, San Antonio River 3.74 ft Very low −0.03 ft 79 mi
San Antonio River near Falls CityRiver gauge, San Antonio River 0.80 ft Very low −0.01 ft 68 mi
San Antonio River at SH 72 near RungeRiver gauge, San Antonio River 10.07 ft Normal ±0 47 mi
San Antonio River at GoliadRiver gauge, San Antonio River 3.41 ft Low −0.24 ft 22 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Guadalupe River near TivoliRiver gauge, Guadalupe River 4.08 ft Normal +1.51 ft 10 mi
Guadalupe River near BloomingtonRiver gauge, Guadalupe River 8.60 ft Low −0.03 ft 10 mi
Guadalupe River at SH 35 near TivoliTidal gauge, Guadalupe River 11.21 ft Normal +0.22 ft 12 mi
Coleto Creek near VictoriaRiver gauge, Coleto Creek 3.87 ft Normal +0.01 ft 15 mi
Coleto Creek Reservoir near VictoriaReservoir, Coleto Creek Reservoir 94.65 ft Normal ±0 16 mi
North end of GBRA Calhoun Canal near Long MottCanal gauge, North end of GBRA Calhoun Canal 46.8 cfs Normal +18.1 cfs 16 mi
Copano Creek near RefugioRiver gauge, Copano Creek 2.33 ft Low ±0 16 mi
Guadalupe River at VictoriaRiver gauge, Guadalupe River 5.24 ft Normal −0.03 ft 18 mi

Questions and answers

What is a normal level for the San Antonio River near McFaddin in mid-October?

The median for mid-October is 16.99 ft. In 8 years out of 10 the reading falls between 11.76 ft and 20.50 ft, based on 9 years of records.

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 San Antonio River near McFaddin today?

On Oct 20, 2026, 05:15 AM CDT, the water level was 15.24 ft. Steady over the last 24 hours.

Is San Antonio River near McFaddin rising or falling?

Steady over the last 24 hours.

Is the level of San Antonio River near McFaddin normal?

Normal for mid-October. Compared with 9 years of daily readings for this time of year.

What is the highest water level ever recorded at San Antonio River near McFaddin?

The highest level on record is 30.08 ft on July 14, 2021.

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:08188570 (Agency page)
Coordinates
28.53125, -97.04269 (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 15.24 ft 2026-10-20 10:15 Provisional
Flow 273 cfs 2026-10-20 10:15 Provisional

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How to cite

U.S. Geological Survey: San Antonio River near McFaddin (usgs:08188570). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/san-antonio-river-near-mcfaddin

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.