Rio Grande Conveyance Channel at San Marcial water level

Name: Rio Grande Conveyance Channel at San Marcial 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, Rio Grande Conveyance Channel, New Mexico, United States

Directions

Normal for late October

Water level

9.74ft Up 0.24 ft over the last 24 hours

Measured Oct 21, 2026, 01:15 AM MDT (26 min ago)

Flow: 214 cfs

History

7 days

Water level

What this means

Water levels are unremarkable at Rio Grande Conveyance Channel at San Marcial, where the gauge shows 9.74 ft.

It is on the way up, by 0.24 ft over the past 24 hours. The 30-day range is 9.16 ft – 9.74 ft.

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

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

Paddling and fishing conditions

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

Weather at the gauge

No rain in the last 3 days.

21 Wed 81° 52° – Wind 11 mph

22 Thu 81° 59° 0.13 in, 61% Wind 18 mph

23 Fri 78° 60° 0.54 in, 62% Wind 21 mph

24 Sat 74° 57° 0.12 in, 50% Wind 22 mph

25 Sun 69° 56° – Wind 8 mph

26 Mon 70° 55° – Wind 7 mph

27 Tue 72° 56° – Wind 13 mph

Forecast: Open-Meteo

Sunrise 07:18 AM Sunset 06:28 PM Daylight 11 hr, 10 min Waxing gibbous 75%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Rio Grande Floodway at San MarcialRiver gauge, Rio Grande Floodway	11.77 ft	Below flood stage	+0.17 ft	0.6 mi
Rio Grande above Us Highway 380 near San AntonioRiver gauge, Rio Grande	88.9 cfs	Normal	−383.1 cfs	18 mi
Rio Grande at Narrows in Elephant Butte ReservoirRiver gauge, Rio Grande	125 cfs	Normal	+8.0 cfs	23 mi
Rio Grande at Bridge near EscondidaRiver gauge, Rio Grande	32.8 cfs	Low	−5.3 cfs	31 mi
Elephant Butte ReservoirReservoir	4,296.05 ft	Low		34 mi
Rio Grande below Elephant Butte DamRiver gauge, Rio Grande	0.9 cfs	Low	+0.4 cfs	39 mi
Rio Grande Floodway at San AcaciaRiver gauge, Rio Grande Floodway	9.20 ft	Below flood stage	−0.04 ft	40 mi
Salt Creek near TularosaRiver gauge, Salt Creek	0.5 cfs	High	+0.2 cfs	45 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 Rio Grande Conveyance Channel at San Marcial today?

On Oct 21, 2026, 01:15 AM MDT, the water level was 9.74 ft. Up 0.24 ft over the last 24 hours.

Is Rio Grande Conveyance Channel at San Marcial rising or falling?

Up 0.24 ft over the last 24 hours.

Is the level of Rio Grande Conveyance Channel at San Marcial 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:08358300 (Agency page)
Coordinates: 33.68767, -106.99261 (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	9.74 ft	2026-10-21 07:15	Provisional
Flow	214 cfs	2026-10-21 07:15	Provisional

Download

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How to cite

U.S. Geological Survey: Rio Grande Conveyance Channel at San Marcial (usgs:08358300). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/new-mexico/rio-grande-conveyance-channel-at-san-marcial

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