CNRFC - Hydrology - Observed River/Reservoir Conditions

Start of River Group

MARYS RIVER - ABOVE HOT SPRINGS CREEK (MHSN2)

Latitude: 41.25º N	Longitude: 115.26º W	Elevation: 5504 Feet
Location: Elko County in Nevada		Bulletin Group: Humboldt		River Group: Humboldt

Monitor Stage: 5.5 Feet

Flood Stage: 6.0 Feet

Plot Type:

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
2023*	849	7.30	May 5, 2023
2022*	179	4.38	May 30, 2022
2021*	91	3.86	May 23, 2021
2020*	329	5.24	May 4, 2020
2019*	624	6.56	Jun 2, 2019
Historical High Stage/Flow Events (Period of Record - Oct 1943-Sep 1980 and Oct 1981 to Present) - Ranked by Flow
1962*	4,210	7.63	Feb 12, 1962
1984*	2,110	8.39	May 15, 1984
2006*	1,330	3.24	Apr 17, 2006
1952*	1,250	6.57	Apr 29, 1952
* Discharge affected to unknown degree by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
9.0 Feet	Major flooding occurs on the marys river with many homes in deeth damaged. Transportation and communication are severely disrupted. Major damage to roads, railroads, and structures occurs, with water over a foot deep on some roads and railroads. Severe erosion and sediment deposition occurs. This is similar to the flood of february 12, 1962.
8.4 Feet	Moderate to major flooding occurs on the lower marys river with significant damage to roads, railroads, and structures. Cattle can be mired or drowned. Much of deeth's roads and structures are flooded. This is about 2060 cfs or similar to the flood of may 15, 1984.
7.6 Feet	Moderate flooding occurs on lower marys river, with damage to roads, railroads, and structures. Cattle can be mired or drowned. Streets and homes in deeth flood. This is about 1230 cfs or similar to the flood of may 20, 2005.
6.8 Feet	Minor to moderate lowland flooding occurs on lower mary's river, with flooding of many rural roads near the river. Some streets in deeth flood, as well as basements and foundations of a few homes. This is about 800 cfs.
6.0 Feet	Flood stage, about 580 cfs. Minor lowland flooding on lower mary's river, with minor flooding of rural roads throughout area. Some minor flooding of streets in deeth.
5.5 Feet	This is monitoring stage or about 365 cfs. No flooding occurs within the reach.

Official 7 Day National Weather Service Forecast (NVZ031)

Today: Partly sunny. Areas of smoke through the day. Isolated thunderstorms in the afternoon. Highs 78 to 86. South winds 5 to 10 mph shifting to the southwest 10 to 20 mph in the afternoon. Chance of thunderstorms 20 percent.

Tonight: Partly cloudy. Isolated thunderstorms in the evening. Areas of smoke through the night. Lows 50 to 56. Southwest winds 5 to 15 mph. Gusts up to 30 mph in the evening. Chance of thunderstorms 20 percent.

Sunday: Sunny. Areas of smoke. Highs 77 to 85. West winds up to 15 mph.

Sunday Night: Mostly clear. Areas of smoke in the evening. Lows 52 to 58. West winds 5 to 15 mph shifting to the northwest 5 to 10 mph after midnight.

Monday: Sunny. Highs 81 to 89. South winds up to 10 mph shifting to the southwest in the afternoon.

Monday Night: Mostly clear. Lows 51 to 57.

Tuesday: Sunny. Highs 78 to 86.

Tuesday Night: Mostly clear. Lows 50 to 56.

Wednesday: Sunny. Highs 81 to 89.

Wednesday Night: Mostly clear. Lows 53 to 59.

Thursday: Sunny. Highs 86 to 94.

Thursday Night: Mostly clear. Lows 58 to 64.

Friday: Mostly sunny. Highs 87 to 95.

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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