CNRFC - Hydrology - Observed River/Reservoir Conditions

MOJAVE RIVER - BARSTOW (MBRC1)

Latitude: 34.91º N	Longitude: 117.02º W	Elevation: 2089 Feet
Location: San Bernardino County in California		Bulletin Group: Southern California		River Group: San Diego/Inland

Action/Monitor: N/A

Minor Flood: 5.0 Feet

Moderate Flood: 5.5 Feet

Major Flood: 6.0 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*	0**	--	--
2024*	61	3.25	Feb 7, 2024
2023*	1,910	4.51	Mar 16, 2023
2022*	0.3	2.35	Sep 13, 2022
2021*	0**	--	--
Historical High Stage/Flow Events (Period of Record - Oct 1930 to Present) - Ranked by Flow
1938*	64,300	8.60	Mar 03, 1938
1969*	30,000	6.80	Feb 25, 1969
1943*	26,000	7.00	Jan 23, 1943
2005*	20,500	3.58	Jan 11, 2005
1993*	18,600	3.39	Feb 19, 1993
1998*	15,200	3.16	Feb 24, 1998
* Discharge affected to unknown degree by regulation or diversion
** No flow observed during entire water year

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
8.0 Feet	at 8.0 feet, levees could be overtopped leading to extensive flooding of structures and infrastructure located along the river bank off Soapmine Road and Riverside Drive in Barstow.
6.5 Feet	at 6.5 feet, Lenwood Road crossing at Mojave River potentially overtopped.
6.0 Feet	at 6.0 feet, some levees are threatened and overtopping is possible which would bring flooding to structures located near the river bank off Soapmine Road and Riverside Drive in Barstow.
5.5 Feet	at 5.5 feet, flooding of low lying areas and farmland adjacent to the river between Hinkely Road and Yermo. Due to bank erosion the approach from the east to the Hinkley Road bridge is closed. Additional erosion of the levees can be expected.
5.0 Feet	at 5.0 feet, flooding of low lying areas adjacent to the river between Hinkley Road and Yermo. Some local erosion to the levees. Due to bank erosion the approach from the east of the Hinkley Road bridge could be in danger of being undercut. Minneola Road and Harvard Road east of Barstow could be overtopped and closed to traffic.

Official 7 Day National Weather Service Forecast (CAZ523)

rest of Tonight: Mostly cloudy. Lows 46 to 49. Southwest winds 5 to 15 mph with gusts to around 30 mph.

Monday: Partly sunny. A 50 percent chance of rain showers in the afternoon. Highs 59 to 62. South winds 5 to 15 mph.

Monday Night: Mostly cloudy. Rain showers likely in the evening, then chance of rain showers after midnight. Lows 42 to 45. Southwest winds 5 to 15 mph. Chance of showers 70 percent.

Tuesday: Partly sunny with a 50 percent chance of rain showers. Highs 52 to 55. West winds 5 to 15 mph.

Tuesday Night: Mostly cloudy with chance of rain showers in the evening, then partly cloudy after midnight. Lows 41 to 44. West winds up to 10 mph. Chance of showers 40 percent.

Wednesday and Wednesday Night: Partly cloudy. Highs 53 to 56. Lows 41 to 44.

Thursday and Thursday Night: Mostly cloudy. A 50 percent chance of rain showers. Highs 55 to 58. Lows 42 to 45.

Friday: Partly sunny with a 40 percent chance of rain showers. Highs 55 to 58.

Friday Night: Partly cloudy. Lows 41 to 44.

Saturday through Sunday: Mostly clear. Highs 61 to 64. Lows 42 to 45.

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 Las Vegas 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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