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Choke Canyon Reservoir OWC near Three Rivers water level

River gauge, Choke Canyon Reservoir OWC, Texas, United States

Directions

Right now

Normal for mid-October

Water level

4.23ft Down 0.14 ft over the last 24 hours

Flow
28.1 cfs
3.5 4.0 4.5

History

History
456ftOct 16Oct 17Oct 18Oct 19Oct 20456ftOct 16Oct 18Oct 20
456ftSep 21Sep 28Oct 5Oct 13Oct 20456ftSep 21Oct 5Oct 20
51015ftOct 2025Jan 2026Apr 2026Jul 2026Oct 202651015ftOct 2025Apr 2026Oct 2026
51015ftJanMarMayJulSepNov202651015ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

Choke Canyon Reservoir OWC near Three Rivers is at 4.23 ft, in the normal range for mid-October.

That puts it 0.15 ft above the median of 4.09 ft for mid-October, based on 30 years of readings. A year ago it stood at 3.98 ft (+0.25 ft).

It has dropped 0.14 ft over the past 24 hours. In the last month it has stayed between 3.98 ft and 6.13 ft.

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

Compared with 30 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
4.09 ft0.15 ft above the median for this date
Normal for this date
3.60 ft – 4.78 ft8 years in 10 fall in this range (30 years of records)
Same day last year
3.98 ft+0.25 ft
Lowest and highest in 30 days
3.98 ft – 6.13 ft
Lowest and highest in 12 months
3.70 ft – 16.41 ft

Floating and fishing near Choke Canyon Reservoir OWC near Three Rivers

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

Weather at the gauge

No rain in the last 3 days.

17 Sat 71° 54° – Wind 15 mph
18 Sun 75° 49° – Wind 8 mph
19 Mon 75° 58° – Wind 10 mph
20 Tue 85° 65° – Wind 11 mph
21 Wed 81° 69° – Wind 12 mph
22 Thu 86° 66° – Wind 11 mph
23 Fri 87° 65° – Wind 15 mph

Forecast: Open-Meteo

Sunrise 07:37 AM Sunset 06:59 PM Daylight 11 hr, 22 min First quarter 69%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Choke Canyon Reservoir near Three RiversReservoir, Choke Canyon Reservoir 190.64 ft Normal −0.03 ft 0.3 mi
Choke Canyon ReservoirReservoir 190.69 ft Very low 4.7 mi
Nueces River near Three RiversRiver gauge, Nueces River 1.34 ft Very low +0.05 ft 5.6 mi
Atascosa River at WhitsettRiver gauge, Atascosa River 1.65 ft Normal ±0 10 mi
Frio River at TildenRiver gauge, Frio River 1.05 ft Very low +0.05 ft 19 mi
San Miguel Creek near TildenRiver gauge, San Miguel Creek 0.84 ft Very low ±0 20 mi
Nueces River near TildenRiver gauge, Nueces River 4.22 ft Normal +0.37 ft 23 mi
Atascosa River near McCoyRiver gauge, Atascosa River 4.57 ft Low ±0 27 mi

Questions and answers

How does Choke Canyon Reservoir OWC near Three Rivers compare with last year?

It is 0.25 ft higher than on the same day last year, when the reading was 3.98 ft.

What is a normal level for Choke Canyon Reservoir OWC near Three Rivers in mid-October?

The median for mid-October is 4.09 ft. In 8 years out of 10 the reading falls between 3.60 ft and 4.78 ft, based on 30 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 Choke Canyon Reservoir OWC near Three Rivers today?

On Oct 20, 2026, 09:00 AM CDT, the water level was 4.23 ft. Down 0.14 ft over the last 24 hours.

Is Choke Canyon Reservoir OWC near Three Rivers rising or falling?

Down 0.14 ft over the last 24 hours. Up 0.23 ft over the last 7 days.

Is the level of Choke Canyon Reservoir OWC near Three Rivers normal?

Normal for mid-October. Compared with 30 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:08206910 (Agency page)
Coordinates
28.48610, -98.24168 (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 4.23 ft 2026-10-20 14:00 Provisional
Flow 28.1 cfs 2026-10-20 14:00 Provisional

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How to cite

U.S. Geological Survey: Choke Canyon Reservoir OWC near Three Rivers (usgs:08206910). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/choke-canyon-reservoir-owc-near-three-rivers

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.