CNRFC - Hydrology - Observed River/Reservoir Conditions

*** IMPORTANT *** Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.

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TRUCKEE RIVER - TRUCKEE (TRCC1)

Latitude: 39.30º N	Longitude: 120.20º W	Elevation: 5860 Feet
Location: Placer County in California		Bulletin Group: Eastern Sierra		River Group: Eastern Sierra

Action/Monitor: 4.5 Feet

Minor Flood: 5.5 Feet

Moderate Flood: 6.5 Feet

Major Flood: 7.5 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
2024*	888	3.12	Apr 23, 2024
2023*	2,310	4.48	Dec 31, 2022
2022*	2,130**	4.50**	Oct 24, 2021
2021*	740	2.95	May 12, 2021
2020*	705	2.83	May 18, 2020
Historical High Stage/Flow Events (Period of Record - Sept 1944 to Present) - Ranked by Flow
1997*	11,900	9.97	Jan 2, 1997
1963*	11,000	9.25	Feb 1, 1963
1956*	7,760	8.00	Dec 23, 1955
1951*	6,480	7.35	Nov 20, 1950
2006*	6,030	7.11	Dec 31, 2005
* Discharge affected by regulation or diversion
** Estimated

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
10.0 Feet	Record flooding, similar to the flood of January, 2 1997. Widespread and major damage is likely to many homes, businesses, bridges and roads near the river from the Alpine Meadows area through Truckee.
9.5 Feet	Near record flooding, widespread damage to homes, businesses, roads, and bridges along river from Alpine Meadows through Truckee.
8.5 Feet	Major flooding from the Alpine Meadows area through Truckee. Significant damage is likely to many roads, bridges, structures and homes along the river.
7.5 Feet	Major flood stage. Major flooding with damage to roads, bridges and structures along the Truckee River between Alpine Meadows and Truckee including low lying homes. Highway 89 likely overtopped near the Pole Creek Road.
7.0 Feet	Moderate flooding along Truckee River between Alpine Meadows and Truckee. Significant damage to some private bridges and low-lying structures along the river is possible. Flows similar to the flood of December 31 2005.
6.5 Feet	Moderate flood stage. Flooding from Alpine Meadows to Truckee, including yards, crawlspaces, basements, private bridges and campgrounds. Flows similar to January 2017 event.
5.5 Feet	Flood stage. Minor flooding from Alpine Meadows to Truckee. Minor flooding of landscapes, basements and crawlspaces in low lying properties. Riverside campgrounds may be impacted by flooding from small tributaries and overland flow, but little impact is expected from the river.
5.0 Feet	Minor flooding from Bear Creek in the Alpine Meadows area to Truckee. Truckee River bike path between the River Ranch at Alpine Meadows Road to Tahoe City flooded up to a foot deep. Minor flooding of basements and yards of some low-lying homes along the river. Deep Creek Campground has limited access due to flooding. Minor flooding begins at Silver Creek Campground. About 2850 cfs. USGS estimates this much flow has about a 1 in 5 chance of being exceeded any year.
4.5 Feet	Monitor Stage, No flooding along the Truckee River from Alpine Meadows to Truckee.

Official 7 Day National Weather Service Forecast (CAZ072)

Tonight: Clear. Lows 27 to 37. Southwest winds 15 to 25 mph with gusts up to 40 mph decreasing to around 10 mph after midnight. Ridge gusts up to 75 mph.

Saturday: Sunny in the morning then becoming partly cloudy. Highs 53 to 63. Northwest winds 10 to 15 mph.

Saturday Night: Clear. Lows 27 to 37. Northwest winds around 10 mph in the evening becoming light.

Sunday: Sunny. Highs 61 to 71. Light winds.

Sunday Night: Partly cloudy in the evening then clearing. Lows 35 to 45. Northeast winds 10 to 15 mph.

Monday: Partly cloudy. Highs 64 to 74.

Monday Night: Partly cloudy in the evening then clearing. Lows 37 to 47.

Tuesday and Tuesday Night: Clear. Highs 69 to 79. Lows 41 to 51.

Wednesday through Friday: Clear. Highs 75 to 85. Lows 43 to 53.

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 Reno 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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