San Diego R A Mast Road near Santee water level

Name: San Diego R A Mast Road near Santee 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 Diego R A Mast Road, California, United States

Directions

Very high for mid-October

Water level

1.90ft Steady over the last 24 hours

Measured Oct 20, 2026, 11:15 PM PDT (1 hour ago)

Flow: 6.2 cfs

History

7 days

Water level

What this means

The gauge at San Diego R A Mast Road near Santee shows 1.90 ft, well above normal for mid-October.

It has barely moved over the past 24 hours. Over the past 30 days it has moved between 1.90 ft and 2.33 ft.

That stands out in fall, when many rivers are usually near their lowest.

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

High water at San Diego R A Mast Road near Santee

The National Weather Service splits flooding into minor, moderate and major flood stage, each tied to what starts to go under water at this particular gauge. Minor flooding usually means low roads, parks and farmland; major flooding reaches homes and businesses.

Keep children and dogs well back from the edge, and stay off flooded footpaths and towpaths.

Weather at the gauge

The forecast is not available right now.

Sunrise 06:57 AM Sunset 06:09 PM Daylight 11 hr, 12 min Waxing gibbous 75%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Los Coches Creek near LakesideRiver gauge, Los Coches Creek	0.3 cfs	Normal	+0.2 cfs	7 mi
Los Penasquitos Creek near PowayRiver gauge, Los Penasquitos Creek	3.8 cfs	High	+0.5 cfs	9 mi
San Diego R A Fashion Valley at San DiegoRiver gauge, San Diego R A Fashion Valley	2.55 ft	Below flood stage	−0.04 ft	10 mi
Santa Maria Creek near RamonaRiver gauge, Santa Maria Creek	0.0 cfs	Normal	±0	15 mi
Jamul Creek near JamulRiver gauge, Jamul Creek	0.5 cfs	Normal	+0.2 cfs	16 mi
Guejito Creek near San PasqualRiver gauge, Guejito Creek	0.0 cfs	Normal	±0	20 mi
Santa Ysabel Creek near RamonaRiver gauge, Santa Ysabel Creek	0.0 cfs	Normal	±0	21 mi
Sweetwater River near DescansoRiver gauge, Sweetwater River	0.0 cfs	Normal	±0	23 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 San Diego R A Mast Road near Santee today?

On Oct 20, 2026, 11:15 PM PDT, the water level was 1.90 ft. Steady over the last 24 hours.

Is San Diego R A Mast Road near Santee rising or falling?

Steady over the last 24 hours.

Is the level of San Diego R A Mast Road near Santee normal?

Very high for mid-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:11022480 (Agency page)
Coordinates: 32.84033, -117.02585 (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	1.90 ft	2026-10-21 06:15	Provisional
Flow	6.2 cfs	2026-10-21 06:15	Provisional

Download

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How to cite

U.S. Geological Survey: San Diego R A Mast Road near Santee (usgs:11022480). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/san-diego-r-a-mast-road-near-santee

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