CNRFC - Hydrology - Observed River/Reservoir Conditions

MORMON SLOUGH - BELLOTA (MSGC1)

Latitude: 38.05º N	Longitude: 121.01º W	Elevation: 130 Feet
Location: San Joaquin County in California		River Group: San Joaquin

Monitor Stage: 16.0 Feet

Flood Stage: 22.0 Feet

Danger Stage: 23.0 Feet

Observed Data Credit
	Raw streamflow data is provided by the California Department of Water Resources. View CA DWR Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2022*	1,950	9.21	Oct 25, 2021
2021*	839	6.78	Jan 28, 2021
2020*	308	5.17	Mar 17, 2020
2019*	6,080	15.14	Mar 6, 2019
2018*	2,180	9.62	Nov 26, 2017
Historical High Stage/Flow Events (Period of Record - Dec 1997 to Present) - Ranked by Flow
1998*	9,395	18.48	Feb 3, 1998
2006*	9,328	18.40	Apr 4, 2006
* Discharge affected by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ019)

Today: Partly cloudy in the morning then becoming mostly cloudy. Highs 64 to 73. Northwest winds up to 10 mph.

Tonight: Mostly clear. Lows 45 to 51. Northwest winds up to 15 mph.

Thursday: Mostly sunny in the morning then becoming partly cloudy. Highs 63 to 73. West winds up to 15 mph. Gusts up to 25 mph in the afternoon.

Thursday Night: Mostly cloudy. Lows 49 to 55. West winds 10 to 15 mph with gusts to around 30 mph.

Friday: Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs 61 to 71. West winds up to 15 mph with gusts to around 25 mph.

Friday Night: Mostly clear. Lows 44 to 50.

Saturday: Sunny. Highs 67 to 75.

Saturday Night through Tuesday: Clear. Lows 45 to 52. Highs 68 to 78.

Impacts - E19 Information
9.0 Feet	Water rises out of the pilot channel but not yet on the levee slopes.
14.2 Feet	UOP research within the Calaveras River channel is affected by water levels.
16.0 Feet	Bike trail within lower Calaveras River channel is flooded
22.0 Feet	Flood Stage.
23.0 Feet	Danger Stage.
31.9 Feet	Water will overflow toward Bellota and Highway 26.

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 Sacramento 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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