CNRFC - Hydrology - Observed River/Reservoir Conditions

RUSSIAN RIVER - HEALDSBURG (HEAC1)

Latitude: 38.61º N	Longitude: 122.84º W	Elevation: 77 Feet
Location: Sonoma County in California		Bulletin Group: Russian Napa		River Group: Russian Napa

Monitor Stage: 20.0 Feet

Flood Stage: 23.0 Feet

Plot Type:

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View USGS Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2023*	26,400	16.45	Jan 9, 2023
2022*	17,900	13.55	Oct 25, 2021
2021*	1,740	3.95	Feb 2, 2021
2020*	7,050	7.63	Dec 7, 2019
2019*	67,300	26.84	Feb 27, 2019
Historical High Stage/Flow Events (Period of Record - Oct 1939 to Present) - Ranked by Flow
1995*	73,000	26.23	Jan 9, 1995
1965*	71,300	27.00	Dec 23, 1964
1986*	71,100	25.81	Feb 17, 1986
2019*	67,300	26.84	Feb 27, 2019
1997*	65,700	24.61	Jan 01, 1997
* Discharge affected by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
30.0 Feet	Major to disastrous flooding along the reach of the gage occurs. Major flooding occurs in the agricultural sections of Alexander Valley.
29.0 Feet	Major flooding along the reach of the gage will occur. Homes, businesses and secondary roads in the lower sections of Healdsburg will begin to flood. The lower areas of Alexander Valley will begin to flood.
27.0 Feet	Moderate flooding along the reach of the gage will occur. Some secondary roads south of US 101 will have minor to moderate flooding.
25.0 Feet	Low lying areas south of US 101 begin to have minor flooding.
23.0 Feet	Minor flooding of farm land and banks in rural areas along the reach of the gage will occur.

Official 7 Day National Weather Service Forecast (CAZ506)

Rest of Today: Sunny. Highs in the lower 80s to mid 90s. West winds 10 to 20 mph.

Tonight: Mostly clear. Lows in the upper 50s to lower 70s. Northwest winds 10 to 15 mph.

Saturday: Sunny. Highs mid 80s to 101. North winds 10 to 20 mph and becoming southwest 10 to 15 mph in the afternoon.

Saturday Night: Mostly clear. Lows in the upper 50s to lower 70s. Northwest winds 10 to 15 mph and becoming north around 5 mph after midnight.

Sunday: Sunny. Highs mid 80s to 100. North winds 5 to 10 mph and Becoming northwest 10 to 15 mph in the afternoon.

Sunday Night: Mostly clear. Lows in the 50s to upper 60s.

Monday and Monday Night: Mostly clear. Highs in the lower 80s to mid 90s. Lows in the 50s to lower 60s.

Tuesday: Sunny. Highs in the mid 70s to upper 80s.

Tuesday Night: Mostly clear. Lows in the 50s.

Wednesday through Thursday: Partly cloudy. Highs in the upper 60s to lower 80s. Lows in the 40s to upper 50s.

Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS San Francisco Bay Area-Monterey Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.

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