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		River Group: Russian Napa

Monitor Stage: N/A

Flood Stage: 23.0 Feet

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
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
2018	8,390	18.70	Apr 6, 2018
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

Official 7 Day National Weather Service Forecast (CAZ112)

Tonight: Partly cloudy early in the evening then becoming mostly cloudy. Lows 39 to 49.

Thursday: Mostly cloudy. Highs 54 to 64.

Thursday Night: Mostly cloudy. Chance of rain through the night. Lows 43 to 53.

Friday: Mostly cloudy. Slight chance of rain. Highs 54 to 64.

Friday Night and Saturday: Partly cloudy. Lows 37 to 47. Highs 54 to 67. Northwest wind around 20 mph.

Saturday Night through Monday: Partly cloudy. Lows 40 to 50. Highs 57 to 69.

Monday Night: Mostly clear. Lows 37 to 47.

Tuesday through Wednesday: Partly cloudy. Highs 57 to 69. Lows 37 to 47.

Impacts - E19 Information
23.0 Feet	Flooding of Highway 128 approximately 5 miles from Highway 1 is certain and the highway will be closed. 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 begin to flood property in this area including six homes. Expect closure of Highway 128. Motorists should use alternate routes.
34.0 Feet	Significant flooding over the south bank approximately 1 mile east of Highway 1, and damage to property including 6 homes is possible. Expect closure of Highway 128. Motorists should use alternative routes.

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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