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

Plot Type:

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
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
2017*	7,650	17.34	Feb 10, 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: Mostly cloudy in the morning then becoming mostly sunny. Highs 54 to 63. West winds around 10 mph.

Tonight: Mostly cloudy. A chance of rain showers after midnight. Lows 41 to 48. Southwest winds up to 10 mph shifting to the northeast around 10 mph after midnight.

Tuesday: Rain showers in the morning, then rain showers and a slight chance of thunderstorms in the afternoon. Breezy. Highs 48 to 57. Southeast winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon. Gusts up to 40 mph.

Tuesday Night: Rain showers likely. Breezy. Lows around 44. Southeast winds 10 to 25 mph with gusts to around 35 mph.

Wednesday: Rain showers likely. Highs 51 to 59. Southeast winds 10 to 15 mph with gusts to around 25 mph.

Wednesday Night: Mostly cloudy with a slight chance of rain showers. Lows 40 to 46.

Thursday: Partly cloudy. Highs 54 to 62.

Thursday Night: Partly cloudy with a slight chance of rain showers. Lows around 41.

Friday and Friday Night: Mostly clear. Highs 54 to 61. Lows 35 to 41.

Saturday: Sunny. Highs 52 to 60.

Saturday Night and Sunday: Mostly clear. Lows 34 to 40. Highs 52 to 61.

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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