Santa Rosa C A Santa Rosa water level

Name: Santa Rosa C A Santa Rosa 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, California, United States

Directions

Below flood stage

Water level

23.24ft Steady over the last 24 hours

Measured Oct 20, 2026, 09:00 AM PDT (40 min ago)

Flow: 0.4 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to rise to 23.68 ft by Wednesday, October 21 at 02:00 PM. Issued Monday, October 19 at 06:46 AM by NOAA National Weather Service.

What this means

The gauge at Santa Rosa C A Santa Rosa reads 23.24 ft, a normal level.

It is 17.76 ft below the flood stage of 41.00 ft.

It has barely moved over the past 24 hours. The forecast expects the river to rise to 23.68 ft by Wednesday, October 21 at 02:00 PM. Over the past 30 days it has moved between 23.18 ft and 23.24 ft.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Forecast peak: 23.68 ftWednesday, October 21 at 02:00 PM

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.

The National Weather Service puts flood stage for this gauge at 41.00 ft, still 17.76 ft away.

What happens at each level

50.00 ft: Major Flooding. Pierson and W 6th Street flooded. Adjacent roadways and floodplain inundated.
45.00 ft: Moderate Flooding. Santa Rosa Creek Trail fully inundated and heavily flooded. NWS will issue a Flash Flood Warning, if not yet already issued.
41.00 ft: Minor Flooding. Santa Rosa Creek Trail begins to flood. NWS will issue an Urban/Small Stream Advisory, if not yet already issued.
40.00 ft: Action Stage. Water levels are approximately 1 foot below lowest points of Santa Rosa Creek Trail in the vicinity of stream gage and Pierson bridge. NWS may issue a Flash Flood Watch, if not yet already issued.
23.24 ft: Right now

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

Weather at the gauge

The forecast is not available right now.

Sunrise 07:25 AM Sunset 06:27 PM Daylight 11 hr, 2 min Waxing gibbous 70%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Matanzas C A Santa RosaRiver gauge	155.16 ft	Below flood stage	+0.01 ft	1.2 mi
Colgan Creek near Santa RosaRiver gauge, Colgan Creek	97.68 ft	Below flood stage	±0	2.4 mi
Santa Rosa C A Willowside Road near Santa RosaRiver gauge, Santa Rosa C A Willowside Road	57.75 ft	Below flood stage	+0.02 ft	4.5 mi
Colgan Creek near SebastopolRiver gauge, Colgan Creek	67.72 ft	Below flood stage	+0.01 ft	5.0 mi
Laguna De Santa Rosa Creek near SebastopolRiver gauge, Laguna De Santa Rosa Creek	55.47 ft	Below flood stage	±0	5.7 mi
Laguna De Santa Rosa A Stony Point Road near CotatiRiver gauge, Laguna De Santa Rosa A Stony Point Road	73.23 ft	Below flood stage	±0	5.9 mi
Copeland C A Rohnert ParkRiver gauge	1.33 ft	Below flood stage	−0.02 ft	7 mi
Mark West Creek near Mirabel HeightsRiver gauge, Mark West Creek	38.69 ft	Below flood stage	+0.01 ft	8 mi

Questions and answers

What is flood stage for Santa Rosa C A Santa Rosa?

The official flood stage is 41.00 ft. The level is currently 17.76 ft below it.

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 Santa Rosa C A Santa Rosa today?

On Oct 20, 2026, 09:00 AM PDT, the water level was 23.24 ft. Steady over the last 24 hours.

Is Santa Rosa C A Santa Rosa rising or falling?

Steady over the last 24 hours.

Is the level of Santa Rosa C A Santa Rosa normal?

Below flood stage. Judged against the official flood stage for this gauge.

Is Santa Rosa C A Santa Rosa expected to rise?

The forecast expects the river to rise to 23.68 ft by Wednesday, October 21 at 02:00 PM.

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:11466200 (Agency page)
Coordinates: 38.43654, -122.72467 (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	23.24 ft	2026-10-20 16:00	Provisional
Flow	0.4 cfs	2026-10-20 16:00	Provisional

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How to cite

U.S. Geological Survey: Santa Rosa C A Santa Rosa (usgs:11466200). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/santa-rosa-c-a-santa-rosa

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