Laguna De Santa Rosa A Stony Point Road near Cotati water level

Name: Laguna De Santa Rosa A Stony Point Road near Cotati 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, Laguna De Santa Rosa A Stony Point Road, California, United States

Directions

Below flood stage

Water level

73.22ft Steady over the last 24 hours

Measured Oct 20, 2026, 09:30 PM PDT (40 min ago)

Flow: 0.2 cfs

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to rise to 75.05 ft by Thursday, October 22 at 01:00 PM. Issued Tuesday, October 20 at 07:21 AM by NOAA National Weather Service.

What this means

Water levels are unremarkable at Laguna De Santa Rosa A Stony Point Road near Cotati, where the gauge shows 73.22 ft.

It is 10.78 ft below the flood stage of 84.00 ft.

The level has held steady over the past 24 hours. The forecast expects the river to rise to 75.05 ft by Thursday, October 22 at 01:00 PM. The 30-day range is 73.18 ft – 73.31 ft.

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

Key numbers

Forecast peak: 75.05 ftThursday, October 22 at 01:00 PM

Paddling and fishing conditions

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

For reference, flood stage is 84.00 ft.

What happens at each level

89.00 ft: Major Flooding. Martin Avenue commercial district, as well as Labath Avenue and Commerce Blvd town center (Rohnert Park) susceptible to flooding (Copeland Creek immediately to the south is also probably flooding into the same area). Rancho Verde trailer park flooded. Backwater at Highway 101.
85.00 ft: Moderate Flooding. Redwood Drive at Martin Avenue area in Rohnert Park, including Martin Avenue commercial area, may begin to flood. Rancho Verde trailer park likely beginning to flood. NWS will issue a Flash Flood Warning, if not yet already issued.
84.00 ft: Minor Flooding. Rohnert Park Expressway begins to flood west of Rohnert Park. City turns on storm drain pumps to relieve back pressure, sending water back to the channel. NWS will issue an Urban/Small Stream Advisory, if not yet already issued.
82.00 ft: Action Stage. City of Rohnert Park begins to monitor the gage and is alerted via USGS Water Watch notification. NWS will issue a Flash Flood Watch if not yet already issued.
73.22 ft: Right now

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

Weather at the gauge

The forecast is not available right now.

Sunrise 07:26 AM Sunset 06:26 PM Daylight 11 hr Waxing gibbous 74%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Colgan Creek near SebastopolRiver gauge, Colgan Creek	67.72 ft	Below flood stage	+0.01 ft	2.0 mi
Copeland C A Rohnert ParkRiver gauge	1.28 ft	Below flood stage	−0.01 ft	2.4 mi
Colgan Creek near Santa RosaRiver gauge, Colgan Creek	97.69 ft	Below flood stage	+0.01 ft	3.5 mi
Santa Rosa C A Santa RosaRiver gauge	23.25 ft	Below flood stage	+0.04 ft	5.9 mi
Matanzas C A Santa RosaRiver gauge	155.19 ft	Below flood stage	+0.04 ft	6 mi
Laguna De Santa Rosa Creek near SebastopolRiver gauge, Laguna De Santa Rosa Creek	55.48 ft	Below flood stage	+0.01 ft	7 mi
Santa Rosa C A Willowside Road near Santa RosaRiver gauge, Santa Rosa C A Willowside Road	57.75 ft	Below flood stage	+0.03 ft	7 mi
Sonoma Creek A KenwoodRiver gauge	0.0 cfs	Low	±0	11 mi

Questions and answers

What is flood stage for the Laguna De Santa Rosa A Stony Point Road near Cotati?

The official flood stage is 84.00 ft. The level is currently 10.78 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 Laguna De Santa Rosa A Stony Point Road near Cotati today?

On Oct 20, 2026, 09:30 PM PDT, the water level was 73.22 ft. Steady over the last 24 hours.

Is Laguna De Santa Rosa A Stony Point Road near Cotati rising or falling?

Steady over the last 24 hours. Down 0.07 ft over the last 7 days.

Is the level of Laguna De Santa Rosa A Stony Point Road near Cotati normal?

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

Is Laguna De Santa Rosa A Stony Point Road near Cotati expected to rise?

The forecast expects the river to rise to 75.05 ft by Thursday, October 22 at 01:00 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:11465680 (Agency page)
Coordinates: 38.35210, -122.74412 (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	73.22 ft	2026-10-21 04:30	Provisional
Flow	0.2 cfs	2026-10-21 04:30	Provisional

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How to cite

U.S. Geological Survey: Laguna De Santa Rosa A Stony Point Road near Cotati (usgs:11465680). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/laguna-de-santa-rosa-a-stony-point-road-near-cotati

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