CNRFC - Hydrology - Observed River/Reservoir Conditions

TRUCKEE RIVER - RENO (TRRN2)

Latitude: 39.53º N	Longitude: 119.79º W	Elevation: 4445 Feet
Location: Washoe County in Nevada		River Group: Eastern Sierra

Monitor Stage: 9.0 Feet

Flood Stage: 11.0 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
2015*	2,060	6.98	Feb 9, 2015
2014*	1,430	6.31	Feb 9, 2014
2013*	4,030	8.46	Dec 2, 2012
2012*	2,170	7.09	Apr 26, 2012
2011*	3,420	8.07	May 8, 2011
Historical High Stage/Flow Events (Period of Record - March 1907** to Present)
1956*	20,800	13.63***	Dec 23, 1955
1951*	19,900	13.83***	Nov 21, 1950
1963*	18,400	13.28***	Feb 1, 1963
1997*	18,200	14.94***	Jan 2, 1997
2006*	16,400	13.38	Dec 31, 2005
* Discharge affected to unknown degree by regulation or diversion
** Most recent continuous record back to Oct 1947 with segmented periods back to Mar 1907
*** Datum changed on 10/01/1998. Older data used different datum.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (NVZ003)

Tonight: Clear. Areas of smoke and haze. Lows 54 to 64. West winds 10 to 15 mph. Gusts up to 30 mph in the evening.

Wednesday: Sunny. Areas of smoke and haze. Highs 95 to 100. Light winds becoming southwest up to 10 mph in the afternoon.

Wednesday Night: Mostly clear. Lows 57 to 67. West winds 10 to 15 mph in the evening becoming light.

Thursday: Sunny. Highs 94 to 99. Light winds becoming west 10 to 15 mph in the afternoon.

Thursday Night: Clear. Lows 60 to 70. West winds 10 to 15 mph with gusts up to 30 mph in the evening becoming light.

Friday: Mostly sunny with a slight chance of showers and thunderstorms. Highs 95 to 100.

Friday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows 63 to 73.

Saturday through Sunday Night: Partly cloudy with a slight chance of showers and thunderstorms. Highs 99 to 104. Lows 64 to 74.

Monday and Monday Night: Partly cloudy with a slight chance of showers. Highs 97 to 102. Lows 64 to 74.

Tuesday: Sunny. Highs 96 to 101.

Impacts - E19 Information
9.0 Feet	No flooding from Mogul to US Highway 395, including downtown Reno. Lowest meadows and agricultural areas below US Highway 395 begin to flood. USGS 5 year flood.
9.5 Feet	No flooding from Mogul to US Highway 395, including Reno. This is maximum safe channel capacity below US Highway 395. Relese from Prosser, Stampede, and Boca Reservoirs are cut by the US Water Master to maintain less than 6000 cfs at Reno. USGS 6 year flood.
10.0 Feet	Very high flows, but no flooding from Mogul to US Highway 395, including downtown Reno. Just downstream, Reno Hilton RV Park, Truckee River bike path, and parks along river begin to flood at this stage. USGS 10 year flood.
10.5 Feet	Highest safe flow from Mogul to US Highway 395, including downtown Reno. Just downstream, Reno Hilton RV Park floods. USGS 20 year flood.
11.0 Feet	Flood Stage - Near bankfull from Mogul to US Highway 395, including downtown Reno. Some very minor flooding of lowlands, parks, and trails along river. In downtown Reno, Wingfield Park begins to flood and water begins to go over Arlington Street bridge. USGS 25 year flood.
11.5 Feet	Minor flooding Mogul to US Highway 395, including downtown Reno. River slightly out of banks with minor flooding of lowlands, parks, and trails along river between Mogul and Reno. Idlewild Park begins to flood, Wingfield Park flooded as much as a foot deep. River banks are slightly overtopped in downtown Reno, water is flowing over Arlington Street bridge slightly. USGS 30 year flood.
12.0 Feet	Moderate flooding Mogul to US Highway 395, including downtown Reno. River banks overtopped a few inches through downtown Reno. Idlewild and Wingfield Parks flood 2 to 3 feet deep. River Oaks and River Bend trailer parks above Mogul, and Mayberry Crossing, Dorostkar, Crissie Caughlin and Oxbow Parks west of Reno area flooded at this stage. Moderate impacts to roads and bridges still open at this stage, Arlington closed. USGS 33 year flood.
12.5 Feet	Significant flooding Mogul to US Highway 395, including downtown Reno. River well out of banks downtown, nearly a foot deep. Idlewild and Wingfield Parks flooded up to 5 feet deep. Significant impacts of roads, many bridges over Truckee begin to flood. All bridges closed near this stage except Keystone, Wells, and US Highway 395. Flooding just begins to affect Reno Airport. Phone, power, and water supplies begin to be affected. USGS 40 year flood.
13.0 Feet	Major flooding with serious damage Mogul to US Highway 395. Downtown Reno and Reno Airport begin serious flooding, 1 to 2 feet deep. Transportation severely impacted, many roads and bridges near river flood. Only Keystone, Wells, and US Highway 395 bridges open. Downtown flooded from 1st Street on north to Island Avenue and Riverwalk on south. Idlewild and Wingfield Parks flooded about 6 feet deep. USGS 50 year flood.
13.5 Feet	Major flood damage to property and infrastructure in floodplain Mogul to Reno. Flood waters in downtown Reno and at Reno Airport 2 to 3 feet deep. Downtown Reno flooded from between 1st and 2nd Streets on north to between Island Avenue and Court and Mills Streets on south. Comstock and CalNeva Casinos, Bus Depo, Arlington Towers, Courthouse, Post Office, and stores flood downtown unless sandbagged. Idlewild and Wingfield Parks flood 8 feet deep. USGS 60 year flood.
14.0 Feet	Flood disaster Mogul to Reno, extensive property and infrastructure damage. Reno Airport and downtown under about 4 feet of water. Downtown Reno flooded from 2nd Street on north to Court and Mills Streets on south. Casinos, hotels, stores, Post Office, Court House, phone building, Bus Depot, churches, museums, and parks flood. Sewer lines on bridges severed. Idlewild and Wingfield Parks flood 9 to 10 feet. All bridges over Truckee closed except Keystone, Wells, and US Highway 395. USGS 70 year flood.
14.5 Feet	Near record flood with extensive damage to property and infrastructure in flood plain from Mogul to Reno. Reno Airport and downtown under about 5 feet of water. Power, phone, transportation, water, and hospital services disrupted. All bridges over Truckee closed except Keystone, Wells, and US Highway 395. Downtown Reno flooded from between 2nd and 3rd Streets on north to Court and Mills Streets on south. USGS 100 year flood.
15.0 Feet	Record catastrophic flooding from Mogul to Reno. Property and infrastructure in flood plain sustain heavy damage throughout region. Reno Airport and downtown under 6 feet of water. Transportation, power, phone, water, and hospital services disrupted throughout region. Only Interstat 80, Keystone, Wells, and US Highway 395 bridges open. Downtown Reno flooded from near 3rd Street on north to Court and Mills Streets on south. Slightly over USGS 100 year flood.

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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