CNRFC - Hydrology - River Guidance - Graphical RVF

HUMBOLDT RIVER - ELKO (HREN2)

Latitude: 40.94º N	Longitude: 115.62º W	Elevation: 5142 Feet
Location: Elko County in Nevada		River Group: Humboldt

Issuance Time:

Jul 11 2017 at 7:21 AM PDT

Next Issuance:

Jul 12 2017 at 9:00 AM PDT

Monitor Stage: 7.0 Feet

Flood Stage: 8.0 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*	540	3.84	Jun 12, 2015
2014*	283	3.21	Jun 6, 2014
2013*	96	2.11	Mar 17, 2013
2012*	241	2.71	Mar 23, 2012
2011*	2,260	6.54	Jun 21, 2011
Historical High Stage/Flow Events (Period of Record - Oct 1944 to Present)
1986*	7,200	7.64	Feb 19, 1986
1983*	7,100	12.18	Mar 04, 1983
1963*	7,070	12.30	Feb 13, 1962
* Discharge affected to unknown degree by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (NVZ032)

Impacts - E19 Information
7.0 Feet	No flooding in Elko. Very minor lowland flooding upstream and downstream of Elko.
7.5 Feet	Very minor lowland flooding upstream and downstream of Elko. No flooding in Elko.
8.0 Feet	Flood Stage - Minor lowland flooding upstream and downstream of Elko. Flooding begins in Elko along Water and Front Streets.
8.5 Feet	Minor lowland flooding throughout reach. Minor flooding in Elko along Water, River, and Front Street between 1st and 9th Streets, caused by back up storm drains. Very minor flooding of rural roads.
9.0 Feet	Moderate lowland flooding throughout reach, except minor flooding in Elko caused by backed up storm drains. Minor flooding of rural roads. Elko flooding along River, Douglas, and Water Streets southeast to Front Street and the levee between 1st and 9th Streets.
9.5 Feet	Moderate lowland flooding throughout reach, except minor flooding in Elko caused by backed up storm drains. Some flooding and damage to rural roads in floodplain. Elko flooding along River, Douglas, and Water Streets southeast to Front Street and the levee between 1st and 9th Streets.
10.0 Feet	Moderate flooding throughout reach, including Elko. Moderate flood damage to roads, railroads, and agricultural structures in floodplain. Flooding in Elko along River, Douglas, and Water Streets southeast to Front Street and the levee from 1st to 9th Streets, beyond levees northeast of 12th Street, and southwest of A Street. Some basements begin to flood.
10.5 Feet	Moderate to Major flooding throughout reach. Moderate damage to roads, railroads, and agricultural structures in floodplain. Flooding in Elko along River, Douglas, and Water Streets southeast to Front Street and the levee from 1st to 9th Streets, beyond levees northeast of 12th Street, and west of A Street. Basements in low-lying parts of town flood. Elko sewage treatment plant near capacity.
11.0 Feet	Major flooding throughout reach. Significant damage to roads, railroads, and agricultural structures in floodplain. Cattle miring and drownings occur. Elko flooded along River, Douglas, and Water Streets southeast to Front Street and the levee from 1st to 9th Streets. More flooding northeast of 12th Street, the levee, and west of A Street. Basements flood. Elko sewage plant at capacity.
11.5 Feet	Major, near record flooding throughout reach. Significant damage to roads, railroads, and agricultural structures in floodplain. Moderate transport and communication impacts. Cattle miring and drownings. Elko flooded areas: from D Street north to 9th Street, between River and Douglas Streets southeast to the levee and Front Street, areas beyond levees north of 12th Street, southwest of A Street. River above storm drain elevation in Elko. Elko sewage plant over capacity.
12.0 Feet	Major, record flooding throughout reach. Major damage to roads, railroads, and agricultural structures. Cattle drownings. Major transporation and communication impacts. Elko flood areas: southwest of 3rd Street - railroad tracks south to near Bullion Road, 3rd to 9th Streets - River Street to Wilson and Adams Street approach to 5th Street bridge, northeast of 9th Street - Water Street and railroad tracks to Opal Drive and much of area northeast of 12 Street east of railroad tracks. Water breaching levees. Some structure flooding.
12.5 Feet	Flood disaster. Major damage to roads, railroads, and agricultural structures. Cattle drownings. Major transportation and communications impacts. Elko flooded areas: southwest of 3rd Street - railroad tracks south to near Bullion Road, 3rd to 9th Streets - River Street to Wilson and Adams Streets at 5th Street Bridge, northeast of 9th Street - Water Street amd railroad tracks to Opal Drive at 12th Street bridge, much of area flooded northeast of 12th Street and east of railroad tracks. Water breaching levees. Floodplain structures flooded.

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 Elko 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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