San Antonio River at Mitchell St, San Antonio water level

Name: San Antonio River at Mitchell St, San Antonio water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, San Antonio River, Texas, United States

Directions

Normal for mid-October

Water level

4.29ft Steady over the last 24 hours

Measured Oct 20, 2026, 11:15 AM CDT (20 min ago)

Flow: 16.4 cfs

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

The San Antonio River at Mitchell St, San Antonio is at 4.29 ft, in the normal range for mid-October.

That puts it 0.10 ft above the median of 4.19 ft for mid-October, based on 27 years of readings. It is 8.71 ft below the flood stage of 13.00 ft. A year ago it stood at 4.21 ft (+0.08 ft).

The level has held steady over the past 24 hours. In the last month it has stayed between 4.15 ft and 5.46 ft.

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

Compared with 27 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 4.19 ft0.10 ft above the median for this date
Normal for this date: 0.58 ft – 4.60 ft8 years in 10 fall in this range (27 years of records)
Same day last year: 4.21 ft+0.08 ft
Lowest and highest in 30 days: 4.15 ft – 5.46 ft
Lowest and highest in 12 months: 3.83 ft – 6.35 ft
Highest on record: 14.67 ftMay 25, 2013

Floating and fishing near San Antonio River at Mitchell St, San Antonio

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 13.00 ft, 8.71 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

22.00 ft: Several homes in the San Antonio River flood plain south of IH-10 are flooded. Water is in the San Antonio Public Works Department motor pool parking lot and buildings.
20.00 ft: Flow is to the slab of the lowest homes along San Antonio River south of the IH-10 crossing and near the slab of the lowest buildings of the City of San Antonio Public Works Department motor pool and parking lot.
15.00 ft: Homes along Crofton Ave and Guenther Street, and parts of the G W Brackenridge High School property are threatened by flood waters. Moderate lowland flooding is several feet deep in low areas of the flood plain.
13.00 ft: Minor lowland flooding goes over banks into the flood plain including portions of Roosevelt Park.
4.29 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Rank	Level	Date
1	14.67 ft	May 25, 2013
2	14.39 ft	June 12, 2025
3	14.34 ft	June 2, 2016
4	12.94 ft	October 17, 1998
5	11.74 ft	December 3, 2016
6	11.26 ft	May 24, 2020
7	11.20 ft	April 21, 2023
8	10.99 ft	May 1, 2021
9	10.86 ft	June 17, 2019
10	10.75 ft	March 28, 2018

Weather at the gauge

No rain in the last 3 days.

19 Mon 80° 55° – Wind 6 mph

20 Tue 81° 63° – Wind 9 mph

21 Wed 85° 59° – Wind 10 mph

22 Thu 87° 64° – Wind 10 mph

23 Fri 86° 61° – Wind 14 mph

24 Sat 87° 61° – Wind 16 mph

25 Sun 82° 63° – Wind 12 mph

Forecast: Open-Meteo

Sunrise 07:39 AM Sunset 07:00 PM Daylight 11 hr, 20 min Waxing gibbous 70%

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	3.96 ft	Normal	+0.03 ft	1.2 mi
San Antonio River at Loop 410, San AntonioRiver gauge, San Antonio River	3.68 ft	Low	+0.01 ft	5.6 mi
San Antonio River near Braunig Lake near ElmendorfRiver gauge, San Antonio River	11.00 ft	No reference yet	+0.08 ft	12 mi
San Antonio River near ElmendorfRiver gauge, San Antonio River	9.18 ft	Normal	−0.38 ft	14 mi
San Antonio River near FloresvilleRiver gauge, San Antonio River	3.58 ft	Very low	−0.05 ft	27 mi
San Antonio River near Falls CityRiver gauge, San Antonio River	0.81 ft	Very low	±0	40 mi
San Antonio River at SH 72 near RungeRiver gauge, San Antonio River	10.12 ft	Normal	−0.02 ft	59 mi
San Antonio River at GoliadRiver gauge, San Antonio River	3.39 ft	Low	−0.19 ft	84 mi
San Antonio River near McFaddinRiver gauge, San Antonio River	15.21 ft	Normal	±0	106 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
San Pedro Creek at Furnish St, San AntonioRiver gauge, San Pedro Creek	0.0 cfs	Very low	±0	1.3 mi
Salado Creek at Loop 13, San AntonioRiver gauge, Salado Creek	5.19 ft	Low	−0.01 ft	5.5 mi
Leon Creek at IH 35, San AntonioRiver gauge, Leon Creek	2.25 ft	Normal	−0.01 ft	7 mi
Olmos Creek at Dresden Dr, San AntonioRiver gauge, Olmos Creek	1.81 ft	Normal	±0	7 mi
Medina River at San AntonioRiver gauge, Medina River	2.92 ft	Very low	+0.10 ft	9 mi
Leon Creek at Lp 410 at San AntonioRiver gauge, Leon Creek	4.00 ft	Low	−0.04 ft	9 mi
Medina River near SomersetRiver gauge, Medina River	4.05 ft	Low	+0.01 ft	10 mi
Medina River near MacdonaRiver gauge, Medina River	−0.02 ft	Low	+0.05 ft	12 mi

Questions and answers

How does the San Antonio River at Mitchell St, San Antonio compare with last year?

It is 0.08 ft higher than on the same day last year, when the reading was 4.21 ft.

What is flood stage for the San Antonio River at Mitchell St, San Antonio?

The official flood stage is 13.00 ft. The level is currently 8.71 ft below it.

What is a normal level for the San Antonio River at Mitchell St, San Antonio in mid-October?

The median for mid-October is 4.19 ft. In 8 years out of 10 the reading falls between 0.58 ft and 4.60 ft, based on 27 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 at Mitchell St, San Antonio today?

On Oct 20, 2026, 11:15 AM CDT, the water level was 4.29 ft. Steady over the last 24 hours.

Is San Antonio River at Mitchell St, San Antonio rising or falling?

Steady over the last 24 hours. Down 0.07 ft over the last 7 days.

Is the level of San Antonio River at Mitchell St, San Antonio normal?

Normal for mid-October. Compared with 27 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:08178050 (Agency page)
Coordinates: 29.39301, -98.49474 (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
Water level	4.29 ft	2026-10-20 16:15	Provisional
Flow	16.4 cfs	2026-10-20 16:15	Provisional

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How to cite

U.S. Geological Survey: San Antonio River at Mitchell St, San Antonio (usgs:08178050). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/san-antonio-river-at-mitchell-st-san-antonio

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