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San Geronimo Creek near Helotes water level

River gauge, San Geronimo Creek, Texas, United States

Directions

Right now

Normal for mid-October

Water level

2.34ft Steady over the last 24 hours

Flow
1.9 cfs
2.0 2.5

History

History
2.02.5ftOct 13Oct 14Oct 16Oct 17Oct 192.02.5ftOct 13Oct 16Oct 19
23ftSep 20Sep 27Oct 4Oct 11Oct 1923ftSep 20Oct 4Oct 19
24ftOct 2025Jan 2026Apr 2026Jul 2026Oct 202624ftOct 2025Apr 2026Oct 2026
24ftJanMarMayJulSepNov202624ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

The gauge at San Geronimo Creek near Helotes reads 2.34 ft, a normal level for mid-October.

The median for mid-October is 2.28 ft, based on 15 years of readings, so the river stage is 0.06 ft above typical. On the same day last year the reading was 2.27 ft, a difference of +0.07 ft.

It has barely moved over the past 24 hours. Over the past 30 days it has moved between 2.32 ft and 2.46 ft.

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

Compared with 15 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
2.28 ft0.06 ft above the median for this date
Normal for this date
1.83 ft – 2.73 ft8 years in 10 fall in this range (15 years of records)
Same day last year
2.27 ft+0.07 ft
Lowest and highest in 30 days
2.32 ft – 2.46 ft
Lowest and highest in 12 months
2.23 ft – 5.27 ft

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

Weather at the gauge

No rain in the last 3 days.

17 Sat 65° 47° – Wind 15 mph
18 Sun 71° 46° – Wind 7 mph
19 Mon 70° 51° – Wind 8 mph
20 Tue 80° 60° – Wind 9 mph
21 Wed 77° 60° – Wind 8 mph
22 Thu 82° 60° – Wind 9 mph
23 Fri 82° 57° – Wind 12 mph

Forecast: Open-Meteo

Sunrise 07:40 AM Sunset 07:02 PM Daylight 11 hr, 22 min First quarter 57%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Helotes Creek at HelotesRiver gauge, Helotes Creek 0.89 ft Normal ±0 7 mi
Medina Lake near San AntonioLake, Medina Lake 1,020.24 ft High −0.05 ft 10 mi
Cibolo Creek near BoerneRiver gauge, Cibolo Creek 3.35 ft Normal +0.01 ft 12 mi
Leon Creek at IH 10 and Loop 1604 near San AntonioRiver gauge, Leon Creek 982.59 ft Highest on record ±0 12 mi
Medina River above English Crsg near Pipe CreekRiver gauge, Medina River 19.3 cfs Normal −0.8 cfs 12 mi
Salado Creek at Wilderness Rd, San AntonioRiver gauge, Salado Creek 0.02 ft Low +0.01 ft 14 mi
Leon Creek at Lp 410 at San AntonioRiver gauge, Leon Creek 4.04 ft Low ±0 15 mi
Medina River at BanderaRiver gauge, Medina River 3.59 ft Normal +0.02 ft 18 mi

Questions and answers

Is San Geronimo Creek near Helotes higher than last year?

Yes, it is 0.07 ft higher than on the same day last year, when the reading was 2.27 ft.

What is a normal level for San Geronimo Creek near Helotes in mid-October?

The median for mid-October is 2.28 ft. In 8 years out of 10 the reading falls between 1.83 ft and 2.73 ft, based on 15 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 Geronimo Creek near Helotes today?

On Oct 19, 2026, 02:30 AM CDT, the water level was 2.34 ft. Steady over the last 24 hours.

Is San Geronimo Creek near Helotes rising or falling?

Steady over the last 24 hours. Steady over the last 7 days.

Is the level of San Geronimo Creek near Helotes normal?

Normal for mid-October. Compared with 15 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:08180586 (Agency page)
Coordinates
29.61973, -98.79515 (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 2.34 ft 2026-10-19 07:30 Provisional
Flow 1.9 cfs 2026-10-19 07:30 Provisional

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How to cite

U.S. Geological Survey: San Geronimo Creek near Helotes (usgs:08180586). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/san-geronimo-creek-near-helotes

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.