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		River Group: Southern California

Monitor Stage: N/A

Flood Stage: 5.0 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
2025*	835	3.57***	Aug 26, 2025
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
*** Peak stage occurred on different date

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ523)

rest of Today: Mostly sunny. Highs 76 to 79. East winds 5 to 15 mph with gusts to around 30 mph.

Tonight: Mostly cloudy in the evening then becoming partly cloudy. Lows around 60. Southeast winds up to 10 mph shifting to the northeast after midnight.

Sunday: Sunny. Highs around 80. East winds up to 10 mph.

Sunday Night: Mostly clear. Lows around 60. Southeast winds up to 5 mph.

Monday: Sunny. Highs 79 to 82. South winds up to 10 mph.

Monday Night through Tuesday Night: Mostly clear. Lows 56 to 59. Highs around 80.

Wednesday and Wednesday Night: Mostly cloudy. Chance of rain showers. Highs 72 to 75. Lows 55 to 58. Chance of showers 50 percent.

Thursday: Partly sunny with a 50 percent chance of rain showers. Highs 65 to 68.

Thursday Night and Friday: Mostly clear. Lows 49 to 52. Highs 65 to 68.

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.

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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