CNRFC - Hydrology - Observed River/Reservoir Conditions

EAST FORK CARSON RIVER - MARKLEEVILLE (CEMC1)

Latitude: 38.71º N	Longitude: 119.76º W	Elevation: 5400 Feet
Location: Alpine County in California		Bulletin Group: Eastern Sierra		River Group: Eastern Sierra

Action/Monitor: 8.0 Feet

Minor Flood: 9.0 Feet

Moderate Flood: 10.0 Feet

Major Flood: 11.0 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 Mean Daily Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2025*	1,480	4.93	May 11, 2025
2024*	2,150	5.72	May 18, 2024
2023*	5,540	8.49	Dec 31, 2022
2022*	3,710	6.70	Oct 25, 2021
2021*	994	4.36	May 6, 2021
Historical High Stage/Flow Events (Period of Record - Sept 1960 to Present) - Ranked by Flow
1997*	18,900	11.78	Jan 24, 1970
1963*	15,100	8.21**	Jan 31, 1963
2017*	11,700	9.98	Jan 8, 2017
2006*	10,300	9.09	Dec 31, 2005
1986*	9,520	8.79	Mar 8, 1986
1965*	9,100	7.20**	Dec 23, 1964
* Discharge affected to unknown degree by regulation or diversion ** Prior to October 1967, datum change with a difference of -2.0 ft must be applied to all data before date to convert to current datum.

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
12.0 Feet	Major impacts to transportation, communication, power and water systems. In excess of January 1997 event.
11.0 Feet	Major Flood Stage. Major impact to transportation including Highways 89 and 4. Communication, water and power systems may be impacted. Significant inundation of low lying rangelands.
10.0 Feet	Moderate Flood Stage. Moderate flooding impacting Carson River Resort campground, and potential for significant bank erosion causing road damage along Highways 89 and 4.
9.0 Feet	Minor Flood Stage. Minor flooding from Monitor Creek to Bryant Creek including impacts to river campgrounds and possible impacts to highway due to bank erosion. Similar to 1/8/17, 2/10/17 and 12/31/2005.
8.0 Feet	Monitor Stage. No flooding from from Monitor Creek to Bryant Creek, river near bankfull and may require precautionary measures to move resources away from the river. Additional impacts to recreational river users.

Official 7 Day National Weather Service Forecast (CAZ072)

Today: Snow and rain likely. Patchy fog in the morning. Freezing fog through the day. Fog in the afternoon. Snow level 7000 to 7500 feet. Snow accumulation of 1 to 4 inches. Highs 38 to 43. Southwest winds 10 to 15 mph. Ridge gusts up to 50 mph.

Tonight: Snow and rain likely. Areas of dense freezing fog in the evening. Patchy fog through the night. Snow level 6500 feet. Snow accumulation up to 2 inches with up to 4 inches above 7000 feet. Lows 24 to 34. Southwest winds 10 to 15 mph with gusts up to 35 mph. Ridge gusts up to 60 mph.

Monday: Snow and rain. Snow level 6500 feet. Snow accumulation up to 2 inches with 2 to 6 inches above 7000 feet. Highs 36 to 41. South winds 10 to 15 mph. Ridge gusts up to 55 mph.

Monday Night: Snow likely. Lows 19 to 29. Light winds.

Tuesday: Mostly cloudy with a chance of snow. Highs 35 to 40. Light winds.

Tuesday Night: Mostly cloudy. Slight chance of snow and rain. Lows 17 to 27.

Wednesday: Mostly cloudy in the morning then clearing. Highs 39 to 49.

Wednesday Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of snow after midnight. Lows 20 to 30.

Thursday through Friday: Mostly cloudy with a chance of snow. Highs 36 to 46. Lows 18 to 28.

Friday Night and Saturday: Partly cloudy. Lows 18 to 28. Highs 44 to 54.

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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