CNRFC - Hydrology - Observed River/Reservoir Conditions

Start of River Group

NAVARRO RIVER - NAVARRO (NVRC1)

Latitude: 39.17º N	Longitude: 123.67º W	Elevation: 20 Feet
Location: Mendocino County in California		Bulletin Group: Russian Napa		River Group: Russian Napa

Action/Monitor: N/A

Minor Flood: 23.0 Feet

Moderate Flood: 30.0 Feet

Major Flood: 34.0 Feet

Plot Type:

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

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2023	14,100	25.56	Jan 8, 2023
2022	9,980	21.36	Oct 24, 2021
2021	801	6.30	Feb 2, 2021
2020	2,560	10.78	Dec 7, 2019
2019	38,300	37.16	Feb 27, 2019
Historical High Stage/Flow Events (Period of Record - Oct 1950 to Present) - Ranked by Flow
1955	64,500	40.60	Dec 22, 1955
2006	62,000	39.81	Dec 31, 2005
1974	61,000	39.13	Jan 16, 1974
1965	52,100	38.64	Dec 22, 1964

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
34.0 Feet	Significant flooding over the south bank approximately 1 mile east of Highway 1 will occur. Damage to property including 6 homes is possible. Expect closure of Highway 128. Motorists should use alternate routes.
30.0 Feet	Water will flow over the south bank of the river approximately 1 mile east of Highway 1, and begins to flood property in this area including six homes. Expect closure of Highway 128. Motorists should use alternate routes.
23.0 Feet	Flooding of Highway 128 approximately 5 miles east of Highway 1 is certain and the road will be closed. Motorists should use alternate routes.

Official 7 Day National Weather Service Forecast (CAZ112)

Today: Partly cloudy early in the morning then becoming mostly cloudy. Patchy valley fog in the morning. Highs 58 to 68.

Tonight: Mostly cloudy. Patchy valley fog overnight. Lows 38 to 48.

Sunday: Partly cloudy in the morning then clearing. Highs 56 to 66.

Sunday Night: Mostly clear. Lows 36 to 46.

Monday: Sunny. Highs 60 to 70.

Monday Night: Partly cloudy. Lows 35 to 45.

Tuesday and Tuesday Night: Mostly cloudy. Highs 56 to 66. Lows 37 to 47.

Wednesday: Mostly cloudy in the morning then becoming partly cloudy. Slight chance of rain. Highs 57 to 67.

Wednesday Night through Thursday Night: Mostly cloudy. Chance of rain. Lows 39 to 49. Highs 55 to 67.

Friday: Mostly cloudy. Rain likely. Highs 50 to 60.

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 Eureka 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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